angular-cn/dev-infra/ng-dev.js

7013 lines
316 KiB
JavaScript
Executable File
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/usr/bin/env node
'use strict';
function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
var yargs = require('yargs');
var tslib = require('tslib');
var chalk = _interopDefault(require('chalk'));
var fs = require('fs');
var inquirer = require('inquirer');
var inquirerAutocomplete = require('inquirer-autocomplete-prompt');
var path = require('path');
var shelljs = require('shelljs');
var url = require('url');
var child_process = require('child_process');
var graphql = require('@octokit/graphql');
var Octokit = require('@octokit/rest');
var typedGraphqlify = require('typed-graphqlify');
var fetch = _interopDefault(require('node-fetch'));
var semver = require('semver');
var multimatch = require('multimatch');
var yaml = require('yaml');
var cliProgress = require('cli-progress');
var os = require('os');
var minimatch = require('minimatch');
var ora = require('ora');
var glob = require('glob');
var ts = require('typescript');
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Runs an given command as child process. By default, child process
* output will not be printed.
*/
function exec(cmd, opts) {
return shelljs.exec(cmd, tslib.__assign(tslib.__assign({ silent: true }, opts), { async: false }));
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Whether ts-node has been installed and is available to ng-dev. */
function isTsNodeAvailable() {
try {
require.resolve('ts-node');
return true;
}
catch (_a) {
return false;
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* The filename expected for creating the ng-dev config, without the file
* extension to allow either a typescript or javascript file to be used.
*/
var CONFIG_FILE_PATH = '.ng-dev/config';
/** The configuration for ng-dev. */
var cachedConfig = null;
/**
* The filename expected for local user config, without the file extension to allow a typescript,
* javascript or json file to be used.
*/
var USER_CONFIG_FILE_PATH = '.ng-dev.user';
/** The local user configuration for ng-dev. */
var userConfig = null;
/**
* Get the configuration from the file system, returning the already loaded
* copy if it is defined.
*/
function getConfig() {
// If the global config is not defined, load it from the file system.
if (cachedConfig === null) {
// The full path to the configuration file.
var configPath = path.join(getRepoBaseDir(), CONFIG_FILE_PATH);
// Read the configuration and validate it before caching it for the future.
cachedConfig = validateCommonConfig(readConfigFile(configPath));
}
// Return a clone of the cached global config to ensure that a new instance of the config
// is returned each time, preventing unexpected effects of modifications to the config object.
return tslib.__assign({}, cachedConfig);
}
/** Validate the common configuration has been met for the ng-dev command. */
function validateCommonConfig(config) {
var errors = [];
// Validate the github configuration.
if (config.github === undefined) {
errors.push("Github repository not configured. Set the \"github\" option.");
}
else {
if (config.github.name === undefined) {
errors.push("\"github.name\" is not defined");
}
if (config.github.owner === undefined) {
errors.push("\"github.owner\" is not defined");
}
}
assertNoErrors(errors);
return config;
}
/**
* Resolves and reads the specified configuration file, optionally returning an empty object if the
* configuration file cannot be read.
*/
function readConfigFile(configPath, returnEmptyObjectOnError) {
if (returnEmptyObjectOnError === void 0) { returnEmptyObjectOnError = false; }
// If the the `.ts` extension has not been set up already, and a TypeScript based
// version of the given configuration seems to exist, set up `ts-node` if available.
if (require.extensions['.ts'] === undefined && fs.existsSync(configPath + ".ts") &&
isTsNodeAvailable()) {
// Ensure the module target is set to `commonjs`. This is necessary because the
// dev-infra tool runs in NodeJS which does not support ES modules by default.
// Additionally, set the `dir` option to the directory that contains the configuration
// file. This allows for custom compiler options (such as `--strict`).
require('ts-node').register({ dir: path.dirname(configPath), transpileOnly: true, compilerOptions: { module: 'commonjs' } });
}
try {
return require(configPath);
}
catch (e) {
if (returnEmptyObjectOnError) {
debug("Could not read configuration file at " + configPath + ", returning empty object instead.");
debug(e);
return {};
}
error("Could not read configuration file at " + configPath + ".");
error(e);
process.exit(1);
}
}
/**
* Asserts the provided array of error messages is empty. If any errors are in the array,
* logs the errors and exit the process as a failure.
*/
function assertNoErrors(errors) {
var e_1, _a;
if (errors.length == 0) {
return;
}
error("Errors discovered while loading configuration file:");
try {
for (var errors_1 = tslib.__values(errors), errors_1_1 = errors_1.next(); !errors_1_1.done; errors_1_1 = errors_1.next()) {
var err = errors_1_1.value;
error(" - " + err);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (errors_1_1 && !errors_1_1.done && (_a = errors_1.return)) _a.call(errors_1);
}
finally { if (e_1) throw e_1.error; }
}
process.exit(1);
}
/** Gets the path of the directory for the repository base. */
function getRepoBaseDir() {
var baseRepoDir = exec("git rev-parse --show-toplevel");
if (baseRepoDir.code) {
throw Error("Unable to find the path to the base directory of the repository.\n" +
"Was the command run from inside of the repo?\n\n" +
("ERROR:\n " + baseRepoDir.stderr));
}
return baseRepoDir.trim();
}
/**
* Get the local user configuration from the file system, returning the already loaded copy if it is
* defined.
*
* @returns The user configuration object, or an empty object if no user configuration file is
* present. The object is an untyped object as there are no required user configurations.
*/
function getUserConfig() {
// If the global config is not defined, load it from the file system.
if (userConfig === null) {
// The full path to the configuration file.
var configPath = path.join(getRepoBaseDir(), USER_CONFIG_FILE_PATH);
// Set the global config object.
userConfig = readConfigFile(configPath, true);
}
// Return a clone of the user config to ensure that a new instance of the config is returned
// each time, preventing unexpected effects of modifications to the config object.
return tslib.__assign({}, userConfig);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Reexport of chalk colors for convenient access. */
var red = chalk.red;
var green = chalk.green;
var yellow = chalk.yellow;
var bold = chalk.bold;
var blue = chalk.blue;
/** Prompts the user with a confirmation question and a specified message. */
function promptConfirm(message, defaultValue) {
if (defaultValue === void 0) { defaultValue = false; }
return tslib.__awaiter(this, void 0, void 0, function () {
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, inquirer.prompt({
type: 'confirm',
name: 'result',
message: message,
default: defaultValue,
})];
case 1: return [2 /*return*/, (_a.sent())
.result];
}
});
});
}
function promptAutocomplete(message, choices, noChoiceText) {
return tslib.__awaiter(this, void 0, void 0, function () {
var prompt, result;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0:
prompt = inquirer.createPromptModule({}).registerPrompt('autocomplete', inquirerAutocomplete);
if (noChoiceText) {
choices = tslib.__spread([noChoiceText], choices);
}
return [4 /*yield*/, prompt({
type: 'autocomplete',
name: 'result',
message: message,
source: function (_, input) {
if (!input) {
return Promise.resolve(choices);
}
return Promise.resolve(choices.filter(function (choice) {
if (typeof choice === 'string') {
return choice.includes(input);
}
return choice.name.includes(input);
}));
}
})];
case 1:
result = (_a.sent()).result;
if (result === noChoiceText) {
return [2 /*return*/, false];
}
return [2 /*return*/, result];
}
});
});
}
/** Prompts the user for one line of input. */
function promptInput(message) {
return tslib.__awaiter(this, void 0, void 0, function () {
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, inquirer.prompt({ type: 'input', name: 'result', message: message })];
case 1: return [2 /*return*/, (_a.sent()).result];
}
});
});
}
/**
* Supported levels for logging functions.
*
* Levels are mapped to numbers to represent a hierarchy of logging levels.
*/
var LOG_LEVELS;
(function (LOG_LEVELS) {
LOG_LEVELS[LOG_LEVELS["SILENT"] = 0] = "SILENT";
LOG_LEVELS[LOG_LEVELS["ERROR"] = 1] = "ERROR";
LOG_LEVELS[LOG_LEVELS["WARN"] = 2] = "WARN";
LOG_LEVELS[LOG_LEVELS["LOG"] = 3] = "LOG";
LOG_LEVELS[LOG_LEVELS["INFO"] = 4] = "INFO";
LOG_LEVELS[LOG_LEVELS["DEBUG"] = 5] = "DEBUG";
})(LOG_LEVELS || (LOG_LEVELS = {}));
/** Default log level for the tool. */
var DEFAULT_LOG_LEVEL = LOG_LEVELS.INFO;
/** Write to the console for at INFO logging level */
var info = buildLogLevelFunction(function () { return console.info; }, LOG_LEVELS.INFO);
/** Write to the console for at ERROR logging level */
var error = buildLogLevelFunction(function () { return console.error; }, LOG_LEVELS.ERROR);
/** Write to the console for at DEBUG logging level */
var debug = buildLogLevelFunction(function () { return console.debug; }, LOG_LEVELS.DEBUG);
/** Write to the console for at LOG logging level */
// tslint:disable-next-line: no-console
var log = buildLogLevelFunction(function () { return console.log; }, LOG_LEVELS.LOG);
/** Write to the console for at WARN logging level */
var warn = buildLogLevelFunction(function () { return console.warn; }, LOG_LEVELS.WARN);
/** Build an instance of a logging function for the provided level. */
function buildLogLevelFunction(loadCommand, level) {
/** Write to stdout for the LOG_LEVEL. */
var loggingFunction = function () {
var text = [];
for (var _i = 0; _i < arguments.length; _i++) {
text[_i] = arguments[_i];
}
runConsoleCommand.apply(void 0, tslib.__spread([loadCommand, level], text));
};
/** Start a group at the LOG_LEVEL, optionally starting it as collapsed. */
loggingFunction.group = function (text, collapsed) {
if (collapsed === void 0) { collapsed = false; }
var command = collapsed ? console.groupCollapsed : console.group;
runConsoleCommand(function () { return command; }, level, text);
};
/** End the group at the LOG_LEVEL. */
loggingFunction.groupEnd = function () {
runConsoleCommand(function () { return console.groupEnd; }, level);
};
return loggingFunction;
}
/**
* Run the console command provided, if the environments logging level greater than the
* provided logging level.
*
* The loadCommand takes in a function which is called to retrieve the console.* function
* to allow for jasmine spies to still work in testing. Without this method of retrieval
* the console.* function, the function is saved into the closure of the created logging
* function before jasmine can spy.
*/
function runConsoleCommand(loadCommand, logLevel) {
var text = [];
for (var _i = 2; _i < arguments.length; _i++) {
text[_i - 2] = arguments[_i];
}
if (getLogLevel() >= logLevel) {
loadCommand().apply(void 0, tslib.__spread(text));
}
printToLogFile.apply(void 0, tslib.__spread([logLevel], text));
}
/**
* Retrieve the log level from environment variables, if the value found
* based on the LOG_LEVEL environment variable is undefined, return the default
* logging level.
*/
function getLogLevel() {
var logLevelEnvValue = (process.env["LOG_LEVEL"] || '').toUpperCase();
var logLevel = LOG_LEVELS[logLevelEnvValue];
if (logLevel === undefined) {
return DEFAULT_LOG_LEVEL;
}
return logLevel;
}
/** All text to write to the log file. */
var LOGGED_TEXT = '';
/** Whether file logging as been enabled. */
var FILE_LOGGING_ENABLED = false;
/**
* The number of columns used in the prepended log level information on each line of the logging
* output file.
*/
var LOG_LEVEL_COLUMNS = 7;
/**
* Enable writing the logged outputs to the log file on process exit, sets initial lines from the
* command execution, containing information about the timing and command parameters.
*
* This is expected to be called only once during a command run, and should be called by the
* middleware of yargs to enable the file logging before the rest of the command parsing and
* response is executed.
*/
function captureLogOutputForCommand(argv) {
if (FILE_LOGGING_ENABLED) {
throw Error('`captureLogOutputForCommand` cannot be called multiple times');
}
/** The date time used for timestamping when the command was invoked. */
var now = new Date();
/** Header line to separate command runs in log files. */
var headerLine = Array(100).fill('#').join('');
LOGGED_TEXT += headerLine + "\nCommand: " + argv.$0 + " " + argv._.join(' ') + "\nRan at: " + now + "\n";
// On process exit, write the logged output to the appropriate log files
process.on('exit', function (code) {
LOGGED_TEXT += "Command ran in " + (new Date().getTime() - now.getTime()) + "ms";
/** Path to the log file location. */
var logFilePath = path.join(getRepoBaseDir(), '.ng-dev.log');
// Strip ANSI escape codes from log outputs.
LOGGED_TEXT = LOGGED_TEXT.replace(/\x1B\[([0-9]{1,3}(;[0-9]{1,2})?)?[mGK]/g, '');
fs.writeFileSync(logFilePath, LOGGED_TEXT);
// For failure codes greater than 1, the new logged lines should be written to a specific log
// file for the command run failure.
if (code > 1) {
fs.writeFileSync(path.join(getRepoBaseDir(), ".ng-dev.err-" + now.getTime() + ".log"), LOGGED_TEXT);
}
});
// Mark file logging as enabled to prevent the function from executing multiple times.
FILE_LOGGING_ENABLED = true;
}
/** Write the provided text to the log file, prepending each line with the log level. */
function printToLogFile(logLevel) {
var text = [];
for (var _i = 1; _i < arguments.length; _i++) {
text[_i - 1] = arguments[_i];
}
var logLevelText = (LOG_LEVELS[logLevel] + ":").padEnd(LOG_LEVEL_COLUMNS);
LOGGED_TEXT += text.join(' ').split('\n').map(function (l) { return logLevelText + " " + l + "\n"; }).join('');
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** URL to the Github page where personal access tokens can be managed. */
var GITHUB_TOKEN_SETTINGS_URL = 'https://github.com/settings/tokens';
/** URL to the Github page where personal access tokens can be generated. */
var GITHUB_TOKEN_GENERATE_URL = 'https://github.com/settings/tokens/new';
/** Adds the provided token to the given Github HTTPs remote url. */
function addTokenToGitHttpsUrl(githubHttpsUrl, token) {
var url$1 = new url.URL(githubHttpsUrl);
url$1.username = token;
return url$1.href;
}
/** Gets the repository Git URL for the given github config. */
function getRepositoryGitUrl(config, githubToken) {
if (config.useSsh) {
return "git@github.com:" + config.owner + "/" + config.name + ".git";
}
var baseHttpUrl = "https://github.com/" + config.owner + "/" + config.name + ".git";
if (githubToken !== undefined) {
return addTokenToGitHttpsUrl(baseHttpUrl, githubToken);
}
return baseHttpUrl;
}
/** Gets a Github URL that refers to a list of recent commits within a specified branch. */
function getListCommitsInBranchUrl(_a, branchName) {
var remoteParams = _a.remoteParams;
return "https://github.com/" + remoteParams.owner + "/" + remoteParams.repo + "/commits/" + branchName;
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Sets up the `github-token` command option for the given Yargs instance. */
function addGithubTokenOption(yargs) {
return yargs
// 'github-token' is casted to 'githubToken' to properly set up typings to reflect the key in
// the Argv object being camelCase rather than kebob case due to the `camel-case-expansion`
// config: https://github.com/yargs/yargs-parser#camel-case-expansion
.option('github-token', {
type: 'string',
description: 'Github token. If not set, token is retrieved from the environment variables.',
coerce: function (token) {
var githubToken = token || process.env.GITHUB_TOKEN || process.env.TOKEN;
if (!githubToken) {
error(red('No Github token set. Please set the `GITHUB_TOKEN` environment variable.'));
error(red('Alternatively, pass the `--github-token` command line flag.'));
error(yellow("You can generate a token here: " + GITHUB_TOKEN_GENERATE_URL));
process.exit(1);
}
return githubToken;
},
})
.default('github-token', '', '<LOCAL TOKEN>');
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Error for failed Github API requests. */
var GithubApiRequestError = /** @class */ (function (_super) {
tslib.__extends(GithubApiRequestError, _super);
function GithubApiRequestError(status, message) {
var _this = _super.call(this, message) || this;
_this.status = status;
return _this;
}
return GithubApiRequestError;
}(Error));
/**
* A Github client for interacting with the Github APIs.
*
* Additionally, provides convenience methods for actions which require multiple requests, or
* would provide value from memoized style responses.
**/
var GithubClient = /** @class */ (function (_super) {
tslib.__extends(GithubClient, _super);
function GithubClient(token) {
var _this =
// Pass in authentication token to base Octokit class.
_super.call(this, { auth: token }) || this;
/** The current user based on checking against the Github API. */
_this._currentUser = null;
_this.hook.error('request', function (error) {
// Wrap API errors in a known error class. This allows us to
// expect Github API errors better and in a non-ambiguous way.
throw new GithubApiRequestError(error.status, error.message);
});
// Create authenticated graphql client.
_this.graphql = new GithubGraphqlClient(token);
return _this;
}
/** Retrieve the login of the current user from Github. */
GithubClient.prototype.getCurrentUser = function () {
return tslib.__awaiter(this, void 0, void 0, function () {
var result;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0:
// If the current user has already been retrieved return the current user value again.
if (this._currentUser !== null) {
return [2 /*return*/, this._currentUser];
}
return [4 /*yield*/, this.graphql.query({
viewer: {
login: typedGraphqlify.types.string,
}
})];
case 1:
result = _a.sent();
return [2 /*return*/, this._currentUser = result.viewer.login];
}
});
});
};
return GithubClient;
}(Octokit));
/** A client for interacting with Github's GraphQL API. */
var GithubGraphqlClient = /** @class */ (function () {
function GithubGraphqlClient(token) {
/** The Github GraphQL (v4) API. */
this.graqhql = graphql.graphql;
// Set the default headers to include authorization with the provided token for all
// graphQL calls.
if (token) {
this.graqhql = this.graqhql.defaults({ headers: { authorization: "token " + token } });
}
}
/** Perform a query using Github's GraphQL API. */
GithubGraphqlClient.prototype.query = function (queryObject, params) {
if (params === void 0) { params = {}; }
return tslib.__awaiter(this, void 0, void 0, function () {
var queryString;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0:
queryString = typedGraphqlify.query(queryObject);
return [4 /*yield*/, this.graqhql(queryString, params)];
case 1: return [2 /*return*/, (_a.sent())];
}
});
});
};
return GithubGraphqlClient;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Error for failed Git commands. */
var GitCommandError = /** @class */ (function (_super) {
tslib.__extends(GitCommandError, _super);
function GitCommandError(client, args) {
var _this =
// Errors are not guaranteed to be caught. To ensure that we don't
// accidentally leak the Github token that might be used in a command,
// we sanitize the command that will be part of the error message.
_super.call(this, "Command failed: git " + client.omitGithubTokenFromMessage(args.join(' '))) || this;
_this.args = args;
return _this;
}
return GitCommandError;
}(Error));
/**
* Common client for performing Git interactions with a given remote.
*
* Takes in two optional arguments:
* `githubToken`: the token used for authentication in Github interactions, by default empty
* allowing readonly actions.
* `config`: The dev-infra configuration containing information about the remote. By default
* the dev-infra configuration is loaded with its Github configuration.
**/
var GitClient = /** @class */ (function () {
function GitClient(githubToken, _config, _projectRoot) {
if (_config === void 0) { _config = getConfig(); }
if (_projectRoot === void 0) { _projectRoot = getRepoBaseDir(); }
this.githubToken = githubToken;
this._config = _config;
this._projectRoot = _projectRoot;
/** Short-hand for accessing the default remote configuration. */
this.remoteConfig = this._config.github;
/** Octokit request parameters object for targeting the configured remote. */
this.remoteParams = { owner: this.remoteConfig.owner, repo: this.remoteConfig.name };
/** Git URL that resolves to the configured repository. */
this.repoGitUrl = getRepositoryGitUrl(this.remoteConfig, this.githubToken);
/** Instance of the authenticated Github octokit API. */
this.github = new GithubClient(this.githubToken);
/** The OAuth scopes available for the provided Github token. */
this._cachedOauthScopes = null;
/**
* Regular expression that matches the provided Github token. Used for
* sanitizing the token from Git child process output.
*/
this._githubTokenRegex = null;
// If a token has been specified (and is not empty), pass it to the Octokit API and
// also create a regular expression that can be used for sanitizing Git command output
// so that it does not print the token accidentally.
if (githubToken != null) {
this._githubTokenRegex = new RegExp(githubToken, 'g');
}
}
/** Executes the given git command. Throws if the command fails. */
GitClient.prototype.run = function (args, options) {
var result = this.runGraceful(args, options);
if (result.status !== 0) {
throw new GitCommandError(this, args);
}
// Omit `status` from the type so that it's obvious that the status is never
// non-zero as explained in the method description.
return result;
};
/**
* Spawns a given Git command process. Does not throw if the command fails. Additionally,
* if there is any stderr output, the output will be printed. This makes it easier to
* info failed commands.
*/
GitClient.prototype.runGraceful = function (args, options) {
if (options === void 0) { options = {}; }
// To improve the debugging experience in case something fails, we print all executed Git
// commands to better understand the git actions occuring. Depending on the command being
// executed, this debugging information should be logged at different logging levels.
var printFn = (!GitClient.LOG_COMMANDS || options.stdio === 'ignore') ? debug : info;
// Note that we do not want to print the token if it is contained in the command. It's common
// to share errors with others if the tool failed, and we do not want to leak tokens.
printFn('Executing: git', this.omitGithubTokenFromMessage(args.join(' ')));
var result = child_process.spawnSync('git', args, tslib.__assign(tslib.__assign({ cwd: this._projectRoot, stdio: 'pipe' }, options), {
// Encoding is always `utf8` and not overridable. This ensures that this method
// always returns `string` as output instead of buffers.
encoding: 'utf8' }));
if (result.stderr !== null) {
// Git sometimes prints the command if it failed. This means that it could
// potentially leak the Github token used for accessing the remote. To avoid
// printing a token, we sanitize the string before printing the stderr output.
process.stderr.write(this.omitGithubTokenFromMessage(result.stderr));
}
return result;
};
/** Whether the given branch contains the specified SHA. */
GitClient.prototype.hasCommit = function (branchName, sha) {
return this.run(['branch', branchName, '--contains', sha]).stdout !== '';
};
/** Gets the currently checked out branch or revision. */
GitClient.prototype.getCurrentBranchOrRevision = function () {
var branchName = this.run(['rev-parse', '--abbrev-ref', 'HEAD']).stdout.trim();
// If no branch name could be resolved. i.e. `HEAD` has been returned, then Git
// is currently in a detached state. In those cases, we just want to return the
// currently checked out revision/SHA.
if (branchName === 'HEAD') {
return this.run(['rev-parse', 'HEAD']).stdout.trim();
}
return branchName;
};
/** Gets whether the current Git repository has uncommitted changes. */
GitClient.prototype.hasUncommittedChanges = function () {
return this.runGraceful(['diff-index', '--quiet', 'HEAD']).status !== 0;
};
/** Whether the repo has any local changes. */
GitClient.prototype.hasLocalChanges = function () {
return this.runGraceful(['diff-index', '--quiet', 'HEAD']).status !== 0;
};
/** Sanitizes a given message by omitting the provided Github token if present. */
GitClient.prototype.omitGithubTokenFromMessage = function (value) {
// If no token has been defined (i.e. no token regex), we just return the
// value as is. There is no secret value that needs to be omitted.
if (this._githubTokenRegex === null) {
return value;
}
return value.replace(this._githubTokenRegex, '<TOKEN>');
};
/**
* Checks out a requested branch or revision, optionally cleaning the state of the repository
* before attempting the checking. Returns a boolean indicating whether the branch or revision
* was cleanly checked out.
*/
GitClient.prototype.checkout = function (branchOrRevision, cleanState) {
if (cleanState) {
// Abort any outstanding ams.
this.runGraceful(['am', '--abort'], { stdio: 'ignore' });
// Abort any outstanding cherry-picks.
this.runGraceful(['cherry-pick', '--abort'], { stdio: 'ignore' });
// Abort any outstanding rebases.
this.runGraceful(['rebase', '--abort'], { stdio: 'ignore' });
// Clear any changes in the current repo.
this.runGraceful(['reset', '--hard'], { stdio: 'ignore' });
}
return this.runGraceful(['checkout', branchOrRevision], { stdio: 'ignore' }).status === 0;
};
/**
* Assert the GitClient instance is using a token with permissions for the all of the
* provided OAuth scopes.
*/
GitClient.prototype.hasOauthScopes = function (testFn) {
return tslib.__awaiter(this, void 0, void 0, function () {
var scopes, missingScopes, error;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.getAuthScopesForToken()];
case 1:
scopes = _a.sent();
missingScopes = [];
// Test Github OAuth scopes and collect missing ones.
testFn(scopes, missingScopes);
// If no missing scopes are found, return true to indicate all OAuth Scopes are available.
if (missingScopes.length === 0) {
return [2 /*return*/, true];
}
error = "The provided <TOKEN> does not have required permissions due to missing scope(s): " +
(yellow(missingScopes.join(', ')) + "\n\n") +
"Update the token in use at:\n" +
(" " + GITHUB_TOKEN_SETTINGS_URL + "\n\n") +
("Alternatively, a new token can be created at: " + GITHUB_TOKEN_GENERATE_URL + "\n");
return [2 /*return*/, { error: error }];
}
});
});
};
/**
* Retrieve the OAuth scopes for the loaded Github token.
**/
GitClient.prototype.getAuthScopesForToken = function () {
// If the OAuth scopes have already been loaded, return the Promise containing them.
if (this._cachedOauthScopes !== null) {
return this._cachedOauthScopes;
}
// OAuth scopes are loaded via the /rate_limit endpoint to prevent
// usage of a request against that rate_limit for this lookup.
return this._cachedOauthScopes = this.github.rateLimit.get().then(function (_response) {
var response = _response;
var scopes = response.headers['x-oauth-scopes'] || '';
return scopes.split(',').map(function (scope) { return scope.trim(); });
});
};
/** Whether verbose logging of Git actions should be used. */
GitClient.LOG_COMMANDS = true;
return GitClient;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Retrieve and validate the config as `CaretakerConfig`. */
function getCaretakerConfig() {
// List of errors encountered validating the config.
const errors = [];
// The non-validated config object.
const config = getConfig();
assertNoErrors(errors);
return config;
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Class describing a release-train. */
class ReleaseTrain {
constructor(
/** Name of the branch for this release-train. */
branchName,
/** Most recent version for this release train. */
version) {
this.branchName = branchName;
this.version = version;
/** Whether the release train is currently targeting a major. */
this.isMajor = this.version.minor === 0 && this.version.patch === 0;
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Regular expression that matches version-branches. */
const versionBranchNameRegex = /^(\d+)\.(\d+)\.x$/;
/** Gets the version of a given branch by reading the `package.json` upstream. */
function getVersionOfBranch(repo, branchName) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { data } = yield repo.api.repos.getContents({ owner: repo.owner, repo: repo.name, path: '/package.json', ref: branchName });
const { version } = JSON.parse(Buffer.from(data.content, 'base64').toString());
const parsedVersion = semver.parse(version);
if (parsedVersion === null) {
throw Error(`Invalid version detected in following branch: ${branchName}.`);
}
return parsedVersion;
});
}
/** Whether the given branch corresponds to a version branch. */
function isVersionBranch(branchName) {
return versionBranchNameRegex.test(branchName);
}
/**
* Converts a given version-branch into a SemVer version that can be used with SemVer
* utilities. e.g. to determine semantic order, extract major digit, compare.
*
* For example `10.0.x` will become `10.0.0` in SemVer. The patch digit is not
* relevant but needed for parsing. SemVer does not allow `x` as patch digit.
*/
function getVersionForVersionBranch(branchName) {
return semver.parse(branchName.replace(versionBranchNameRegex, '$1.$2.0'));
}
/**
* Gets the version branches for the specified major versions in descending
* order. i.e. latest version branches first.
*/
function getBranchesForMajorVersions(repo, majorVersions) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { data: branchData } = yield repo.api.repos.listBranches({ owner: repo.owner, repo: repo.name, protected: true });
const branches = [];
for (const { name } of branchData) {
if (!isVersionBranch(name)) {
continue;
}
// Convert the version-branch into a SemVer version that can be used with the
// SemVer utilities. e.g. to determine semantic order, compare versions.
const parsed = getVersionForVersionBranch(name);
// Collect all version-branches that match the specified major versions.
if (parsed !== null && majorVersions.includes(parsed.major)) {
branches.push({ name, parsed });
}
}
// Sort captured version-branches in descending order.
return branches.sort((a, b) => semver.rcompare(a.parsed, b.parsed));
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Branch name for the `next` branch. */
const nextBranchName = 'master';
/** Fetches the active release trains for the configured project. */
function fetchActiveReleaseTrains(repo) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const nextVersion = yield getVersionOfBranch(repo, nextBranchName);
const next = new ReleaseTrain(nextBranchName, nextVersion);
const majorVersionsToConsider = [];
let expectedReleaseCandidateMajor;
// If the `next` branch (i.e. `master` branch) is for an upcoming major version, we know
// that there is no patch branch or feature-freeze/release-candidate branch for this major
// digit. If the current `next` version is the first minor of a major version, we know that
// the feature-freeze/release-candidate branch can only be the actual major branch. The
// patch branch is based on that, either the actual major branch or the last minor from the
// preceding major version. In all other cases, the patch branch and feature-freeze or
// release-candidate branch are part of the same major version. Consider the following:
//
// CASE 1. next: 11.0.0-next.0: patch and feature-freeze/release-candidate can only be
// most recent `10.<>.x` branches. The FF/RC branch can only be the last-minor of v10.
// CASE 2. next: 11.1.0-next.0: patch can be either `11.0.x` or last-minor in v10 based
// on whether there is a feature-freeze/release-candidate branch (=> `11.0.x`).
// CASE 3. next: 10.6.0-next.0: patch can be either `10.5.x` or `10.4.x` based on whether
// there is a feature-freeze/release-candidate branch (=> `10.5.x`)
if (nextVersion.minor === 0) {
expectedReleaseCandidateMajor = nextVersion.major - 1;
majorVersionsToConsider.push(nextVersion.major - 1);
}
else if (nextVersion.minor === 1) {
expectedReleaseCandidateMajor = nextVersion.major;
majorVersionsToConsider.push(nextVersion.major, nextVersion.major - 1);
}
else {
expectedReleaseCandidateMajor = nextVersion.major;
majorVersionsToConsider.push(nextVersion.major);
}
// Collect all version-branches that should be considered for the latest version-branch,
// or the feature-freeze/release-candidate.
const branches = (yield getBranchesForMajorVersions(repo, majorVersionsToConsider));
const { latest, releaseCandidate } = yield findActiveReleaseTrainsFromVersionBranches(repo, nextVersion, branches, expectedReleaseCandidateMajor);
if (latest === null) {
throw Error(`Unable to determine the latest release-train. The following branches ` +
`have been considered: [${branches.map(b => b.name).join(', ')}]`);
}
return { releaseCandidate, latest, next };
});
}
/** Finds the currently active release trains from the specified version branches. */
function findActiveReleaseTrainsFromVersionBranches(repo, nextVersion, branches, expectedReleaseCandidateMajor) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// Version representing the release-train currently in the next phase. Note that we ignore
// patch and pre-release segments in order to be able to compare the next release train to
// other release trains from version branches (which follow the `N.N.x` pattern).
const nextReleaseTrainVersion = semver.parse(`${nextVersion.major}.${nextVersion.minor}.0`);
let latest = null;
let releaseCandidate = null;
// Iterate through the captured branches and find the latest non-prerelease branch and a
// potential release candidate branch. From the collected branches we iterate descending
// order (most recent semantic version-branch first). The first branch is either the latest
// active version branch (i.e. patch) or a feature-freeze/release-candidate branch. A FF/RC
// branch cannot be older than the latest active version-branch, so we stop iterating once
// we found such a branch. Otherwise, if we found a FF/RC branch, we continue looking for the
// next version-branch as that one is supposed to be the latest active version-branch. If it
// is not, then an error will be thrown due to two FF/RC branches existing at the same time.
for (const { name, parsed } of branches) {
// It can happen that version branches have been accidentally created which are more recent
// than the release-train in the next branch (i.e. `master`). We could ignore such branches
// silently, but it might be symptomatic for an outdated version in the `next` branch, or an
// accidentally created branch by the caretaker. In either way we want to raise awareness.
if (semver.gt(parsed, nextReleaseTrainVersion)) {
throw Error(`Discovered unexpected version-branch "${name}" for a release-train that is ` +
`more recent than the release-train currently in the "${nextBranchName}" branch. ` +
`Please either delete the branch if created by accident, or update the outdated ` +
`version in the next branch (${nextBranchName}).`);
}
else if (semver.eq(parsed, nextReleaseTrainVersion)) {
throw Error(`Discovered unexpected version-branch "${name}" for a release-train that is already ` +
`active in the "${nextBranchName}" branch. Please either delete the branch if ` +
`created by accident, or update the version in the next branch (${nextBranchName}).`);
}
const version = yield getVersionOfBranch(repo, name);
const releaseTrain = new ReleaseTrain(name, version);
const isPrerelease = version.prerelease[0] === 'rc' || version.prerelease[0] === 'next';
if (isPrerelease) {
if (releaseCandidate !== null) {
throw Error(`Unable to determine latest release-train. Found two consecutive ` +
`branches in feature-freeze/release-candidate phase. Did not expect both "${name}" ` +
`and "${releaseCandidate.branchName}" to be in feature-freeze/release-candidate mode.`);
}
else if (version.major !== expectedReleaseCandidateMajor) {
throw Error(`Discovered unexpected old feature-freeze/release-candidate branch. Expected no ` +
`version-branch in feature-freeze/release-candidate mode for v${version.major}.`);
}
releaseCandidate = releaseTrain;
}
else {
latest = releaseTrain;
break;
}
}
return { releaseCandidate, latest };
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Cache for requested NPM package information. A cache is desirable as the NPM
* registry requests are usually very large and slow.
*/
const _npmPackageInfoCache = {};
/**
* Fetches the NPM package representing the project. Angular repositories usually contain
* multiple packages in a monorepo scheme, but packages dealt with as part of the release
* tooling are released together with the same versioning and branching. This means that
* a single package can be used as source of truth for NPM package queries.
*/
function fetchProjectNpmPackageInfo(config) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const pkgName = getRepresentativeNpmPackage(config);
return yield fetchPackageInfoFromNpmRegistry(pkgName);
});
}
/** Gets whether the given version is published to NPM or not */
function isVersionPublishedToNpm(version, config) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { versions } = yield fetchProjectNpmPackageInfo(config);
return versions[version.format()] !== undefined;
});
}
/**
* Gets the representative NPM package for the specified release configuration. Angular
* repositories usually contain multiple packages in a monorepo scheme, but packages dealt with
* as part of the release tooling are released together with the same versioning and branching.
* This means that a single package can be used as source of truth for NPM package queries.
*/
function getRepresentativeNpmPackage(config) {
return config.npmPackages[0];
}
/** Fetches the specified NPM package from the NPM registry. */
function fetchPackageInfoFromNpmRegistry(pkgName) {
return tslib.__awaiter(this, void 0, void 0, function* () {
if (_npmPackageInfoCache[pkgName] === undefined) {
_npmPackageInfoCache[pkgName] =
fetch(`https://registry.npmjs.org/${pkgName}`).then(r => r.json());
}
return yield _npmPackageInfoCache[pkgName];
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Number of months a major version in Angular is actively supported. See:
* https://angular.io/guide/releases#support-policy-and-schedule.
*/
const majorActiveSupportDuration = 6;
/**
* Number of months a major version has active long-term support. See:
* https://angular.io/guide/releases#support-policy-and-schedule.
*/
const majorLongTermSupportDuration = 12;
/** Regular expression that matches LTS NPM dist tags. */
const ltsNpmDistTagRegex = /^v(\d+)-lts$/;
/** Finds all long-term support release trains from the specified NPM package. */
function fetchLongTermSupportBranchesFromNpm(config) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { 'dist-tags': distTags, time } = yield fetchProjectNpmPackageInfo(config);
const today = new Date();
const active = [];
const inactive = [];
// Iterate through the NPM package information and determine active/inactive LTS versions with
// their corresponding branches. We assume that an LTS tagged version in NPM belongs to the
// last-minor branch of a given major (i.e. we assume there are no outdated LTS NPM dist tags).
for (const npmDistTag in distTags) {
if (ltsNpmDistTagRegex.test(npmDistTag)) {
const version = semver.parse(distTags[npmDistTag]);
const branchName = `${version.major}.${version.minor}.x`;
const majorReleaseDate = new Date(time[`${version.major}.0.0`]);
const ltsEndDate = computeLtsEndDateOfMajor(majorReleaseDate);
const ltsBranch = { name: branchName, version, npmDistTag };
// Depending on whether the LTS phase is still active, add the branch
// to the list of active or inactive LTS branches.
if (today <= ltsEndDate) {
active.push(ltsBranch);
}
else {
inactive.push(ltsBranch);
}
}
}
// Sort LTS branches in descending order. i.e. most recent ones first.
active.sort((a, b) => semver.rcompare(a.version, b.version));
inactive.sort((a, b) => semver.rcompare(a.version, b.version));
return { active, inactive };
});
}
/**
* Computes the date when long-term support ends for a major released at the
* specified date.
*/
function computeLtsEndDateOfMajor(majorReleaseDate) {
return new Date(majorReleaseDate.getFullYear(), majorReleaseDate.getMonth() + majorActiveSupportDuration + majorLongTermSupportDuration, majorReleaseDate.getDate(), majorReleaseDate.getHours(), majorReleaseDate.getMinutes(), majorReleaseDate.getSeconds(), majorReleaseDate.getMilliseconds());
}
/** Gets the long-term support NPM dist tag for a given major version. */
function getLtsNpmDistTagOfMajor(major) {
// LTS versions should be tagged in NPM in the following format: `v{major}-lts`.
return `v${major}-lts`;
}
/** The BaseModule to extend modules for caretaker checks from. */
class BaseModule {
constructor(git, config) {
this.git = git;
this.config = config;
/** The data for the module. */
this.data = this.retrieveData();
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
class CiModule extends BaseModule {
retrieveData() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const gitRepoWithApi = Object.assign({ api: this.git.github }, this.git.remoteConfig);
const releaseTrains = yield fetchActiveReleaseTrains(gitRepoWithApi);
const ciResultPromises = Object.entries(releaseTrains).map(([trainName, train]) => tslib.__awaiter(this, void 0, void 0, function* () {
if (train === null) {
return {
active: false,
name: trainName,
label: '',
status: 'not found',
};
}
return {
active: true,
name: train.branchName,
label: `${trainName} (${train.branchName})`,
status: yield this.getBranchStatusFromCi(train.branchName),
};
}));
return yield Promise.all(ciResultPromises);
});
}
printToTerminal() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const data = yield this.data;
const minLabelLength = Math.max(...data.map(result => result.label.length));
info.group(bold(`CI`));
data.forEach(result => {
if (result.active === false) {
debug(`No active release train for ${result.name}`);
return;
}
const label = result.label.padEnd(minLabelLength);
if (result.status === 'not found') {
info(`${result.name} was not found on CircleCI`);
}
else if (result.status === 'success') {
info(`${label}`);
}
else {
info(`${label}`);
}
});
info.groupEnd();
info();
});
}
/** Get the CI status of a given branch from CircleCI. */
getBranchStatusFromCi(branch) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { owner, name } = this.git.remoteConfig;
const url = `https://circleci.com/gh/${owner}/${name}/tree/${branch}.svg?style=shield`;
const result = yield fetch(url).then(result => result.text());
if (result && !result.includes('no builds')) {
return result.includes('passing') ? 'success' : 'failed';
}
return 'not found';
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
class G3Module extends BaseModule {
retrieveData() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const toCopyToG3 = this.getG3FileIncludeAndExcludeLists();
const latestSha = this.getLatestShas();
if (toCopyToG3 === null || latestSha === null) {
return;
}
return this.getDiffStats(latestSha.g3, latestSha.master, toCopyToG3.include, toCopyToG3.exclude);
});
}
printToTerminal() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const stats = yield this.data;
if (!stats) {
return;
}
info.group(bold('g3 branch check'));
if (stats.files === 0) {
info(`${stats.commits} commits between g3 and master`);
info('✅ No sync is needed at this time');
}
else {
info(`${stats.files} files changed, ${stats.insertions} insertions(+), ${stats.deletions} ` +
`deletions(-) from ${stats.commits} commits will be included in the next sync`);
}
info.groupEnd();
info();
});
}
/** Fetch and retrieve the latest sha for a specific branch. */
getShaForBranchLatest(branch) {
const { owner, name } = this.git.remoteConfig;
/** The result fo the fetch command. */
const fetchResult = this.git.runGraceful(['fetch', '-q', `https://github.com/${owner}/${name}.git`, branch]);
if (fetchResult.status !== 0 &&
fetchResult.stderr.includes(`couldn't find remote ref ${branch}`)) {
debug(`No '${branch}' branch exists on upstream, skipping.`);
return null;
}
return this.git.runGraceful(['rev-parse', 'FETCH_HEAD']).stdout.trim();
}
/**
* Get git diff stats between master and g3, for all files and filtered to only g3 affecting
* files.
*/
getDiffStats(g3Ref, masterRef, includeFiles, excludeFiles) {
/** The diff stats to be returned. */
const stats = {
insertions: 0,
deletions: 0,
files: 0,
commits: 0,
};
// Determine the number of commits between master and g3 refs. */
stats.commits =
parseInt(this.git.run(['rev-list', '--count', `${g3Ref}..${masterRef}`]).stdout, 10);
// Get the numstat information between master and g3
this.git.run(['diff', `${g3Ref}...${masterRef}`, '--numstat'])
.stdout
// Remove the extra space after git's output.
.trim()
// Split each line of git output into array
.split('\n')
// Split each line from the git output into components parts: insertions,
// deletions and file name respectively
.map(line => line.trim().split('\t'))
// Parse number value from the insertions and deletions values
// Example raw line input:
// 10\t5\tsrc/file/name.ts
.map(line => [Number(line[0]), Number(line[1]), line[2]])
// Add each line's value to the diff stats, and conditionally to the g3
// stats as well if the file name is included in the files synced to g3.
.forEach(([insertions, deletions, fileName]) => {
if (this.checkMatchAgainstIncludeAndExclude(fileName, includeFiles, excludeFiles)) {
stats.insertions += insertions;
stats.deletions += deletions;
stats.files += 1;
}
});
return stats;
}
/** Determine whether the file name passes both include and exclude checks. */
checkMatchAgainstIncludeAndExclude(file, includes, excludes) {
return (multimatch.call(undefined, file, includes).length >= 1 &&
multimatch.call(undefined, file, excludes).length === 0);
}
getG3FileIncludeAndExcludeLists() {
var _a, _b, _c, _d;
const angularRobotFilePath = path.join(getRepoBaseDir(), '.github/angular-robot.yml');
if (!fs.existsSync(angularRobotFilePath)) {
debug('No angular robot configuration file exists, skipping.');
return null;
}
/** The configuration defined for the angular robot. */
const robotConfig = yaml.parse(fs.readFileSync(angularRobotFilePath).toString());
/** The files to be included in the g3 sync. */
const include = ((_b = (_a = robotConfig === null || robotConfig === void 0 ? void 0 : robotConfig.merge) === null || _a === void 0 ? void 0 : _a.g3Status) === null || _b === void 0 ? void 0 : _b.include) || [];
/** The files to be expected in the g3 sync. */
const exclude = ((_d = (_c = robotConfig === null || robotConfig === void 0 ? void 0 : robotConfig.merge) === null || _c === void 0 ? void 0 : _c.g3Status) === null || _d === void 0 ? void 0 : _d.exclude) || [];
if (include.length === 0 && exclude.length === 0) {
debug('No g3Status include or exclude lists are defined in the angular robot configuration');
return null;
}
return { include, exclude };
}
getLatestShas() {
/** The latest sha for the g3 branch. */
const g3 = this.getShaForBranchLatest('g3');
/** The latest sha for the master branch. */
const master = this.getShaForBranchLatest('master');
if (g3 === null || master === null) {
debug('Either the g3 or master was unable to be retrieved');
return null;
}
return { g3, master };
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** The fragment for a result from Github's api for a Github query. */
const GithubQueryResultFragment = {
issueCount: typedGraphqlify.types.number,
nodes: [Object.assign({}, typedGraphqlify.onUnion({
PullRequest: {
url: typedGraphqlify.types.string,
},
Issue: {
url: typedGraphqlify.types.string,
},
}))],
};
/**
* Cap the returned issues in the queries to an arbitrary 20. At that point, caretaker has a lot
* of work to do and showing more than that isn't really useful.
*/
const MAX_RETURNED_ISSUES = 20;
class GithubQueriesModule extends BaseModule {
retrieveData() {
var _a;
return tslib.__awaiter(this, void 0, void 0, function* () {
// Non-null assertion is used here as the check for undefined immediately follows to confirm the
// assertion. Typescript's type filtering does not seem to work as needed to understand
// whether githubQueries is undefined or not.
let queries = (_a = this.config.caretaker) === null || _a === void 0 ? void 0 : _a.githubQueries;
if (queries === undefined || queries.length === 0) {
debug('No github queries defined in the configuration, skipping');
return;
}
/** The results of the generated github query. */
const queryResult = yield this.git.github.graphql.query(this.buildGraphqlQuery(queries));
const results = Object.values(queryResult);
const { owner, name: repo } = this.git.remoteConfig;
return results.map((result, i) => {
return {
queryName: queries[i].name,
count: result.issueCount,
queryUrl: encodeURI(`https://github.com/${owner}/${repo}/issues?q=${queries[i].query}`),
matchedUrls: result.nodes.map(node => node.url)
};
});
});
}
/** Build a Graphql query statement for the provided queries. */
buildGraphqlQuery(queries) {
/** The query object for graphql. */
const graphQlQuery = {};
const { owner, name: repo } = this.git.remoteConfig;
/** The Github search filter for the configured repository. */
const repoFilter = `repo:${owner}/${repo}`;
queries.forEach(({ name, query }) => {
/** The name of the query, with spaces removed to match GraphQL requirements. */
const queryKey = typedGraphqlify.alias(name.replace(/ /g, ''), 'search');
graphQlQuery[queryKey] = typedGraphqlify.params({
type: 'ISSUE',
first: MAX_RETURNED_ISSUES,
query: `"${repoFilter} ${query.replace(/"/g, '\\"')}"`,
}, Object.assign({}, GithubQueryResultFragment));
});
return graphQlQuery;
}
printToTerminal() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const queryResults = yield this.data;
if (!queryResults) {
return;
}
info.group(bold('Github Tasks'));
const minQueryNameLength = Math.max(...queryResults.map(result => result.queryName.length));
for (const queryResult of queryResults) {
info(`${queryResult.queryName.padEnd(minQueryNameLength)} ${queryResult.count}`);
if (queryResult.count > 0) {
info.group(queryResult.queryUrl);
queryResult.matchedUrls.forEach(url => info(`- ${url}`));
if (queryResult.count > MAX_RETURNED_ISSUES) {
info(`... ${queryResult.count - MAX_RETURNED_ISSUES} additional matches`);
}
info.groupEnd();
}
}
info.groupEnd();
info();
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** List of services Angular relies on. */
const services = [
{
url: 'https://status.us-west-1.saucelabs.com/api/v2/status.json',
name: 'Saucelabs',
},
{
url: 'https://status.npmjs.org/api/v2/status.json',
name: 'Npm',
},
{
url: 'https://status.circleci.com/api/v2/status.json',
name: 'CircleCi',
},
{
url: 'https://www.githubstatus.com/api/v2/status.json',
name: 'Github',
},
];
class ServicesModule extends BaseModule {
retrieveData() {
return tslib.__awaiter(this, void 0, void 0, function* () {
return Promise.all(services.map(service => this.getStatusFromStandardApi(service)));
});
}
printToTerminal() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const statuses = yield this.data;
const serviceNameMinLength = Math.max(...statuses.map(service => service.name.length));
info.group(bold('Service Statuses'));
for (const status of statuses) {
const name = status.name.padEnd(serviceNameMinLength);
if (status.status === 'passing') {
info(`${name}`);
}
else {
info.group(`${name} ❌ (Updated: ${status.lastUpdated.toLocaleString()})`);
info(` Details: ${status.description}`);
info.groupEnd();
}
}
info.groupEnd();
info();
});
}
/** Retrieve the status information for a service which uses a standard API response. */
getStatusFromStandardApi(service) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const result = yield fetch(service.url).then(result => result.json());
const status = result.status.indicator === 'none' ? 'passing' : 'failing';
return {
name: service.name,
status,
description: result.status.description,
lastUpdated: new Date(result.page.updated_at)
};
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** List of modules checked for the caretaker check command. */
const moduleList = [
GithubQueriesModule,
ServicesModule,
CiModule,
G3Module,
];
/** Check the status of services which Angular caretakers need to monitor. */
function checkServiceStatuses(githubToken) {
return tslib.__awaiter(this, void 0, void 0, function* () {
/** The configuration for the caretaker commands. */
const config = getCaretakerConfig();
/** The GitClient for interacting with git and Github. */
const git = new GitClient(githubToken, config);
// Prevent logging of the git commands being executed during the check.
GitClient.LOG_COMMANDS = false;
/** List of instances of Caretaker Check modules */
const caretakerCheckModules = moduleList.map(module => new module(git, config));
// Module's `data` is casted as Promise<unknown> because the data types of the `module`'s `data`
// promises do not match typings, however our usage here is only to determine when the promise
// resolves.
yield Promise.all(caretakerCheckModules.map(module => module.data));
for (const module of caretakerCheckModules) {
yield module.printToTerminal();
}
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Builds the command. */
function builder(yargs) {
return addGithubTokenOption(yargs);
}
/** Handles the command. */
function handler({ githubToken }) {
return tslib.__awaiter(this, void 0, void 0, function* () {
yield checkServiceStatuses(githubToken);
});
}
/** yargs command module for checking status information for the repository */
const CheckModule = {
handler,
builder,
command: 'check',
describe: 'Check the status of information the caretaker manages for the repository',
};
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Build the parser for the caretaker commands. */
function buildCaretakerParser(yargs) {
return yargs.command(CheckModule);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Load the commit message draft from the file system if it exists. */
function loadCommitMessageDraft(basePath) {
const commitMessageDraftPath = `${basePath}.ngDevSave`;
if (fs.existsSync(commitMessageDraftPath)) {
return fs.readFileSync(commitMessageDraftPath).toString();
}
return '';
}
/** Remove the commit message draft from the file system. */
function deleteCommitMessageDraft(basePath) {
const commitMessageDraftPath = `${basePath}.ngDevSave`;
if (fs.existsSync(commitMessageDraftPath)) {
fs.unlinkSync(commitMessageDraftPath);
}
}
/** Save the commit message draft to the file system for later retrieval. */
function saveCommitMessageDraft(basePath, commitMessage) {
fs.writeFileSync(`${basePath}.ngDevSave`, commitMessage);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Restore the commit message draft to the git to be used as the default commit message.
*
* The source provided may be one of the sources described in
* https://git-scm.com/docs/githooks#_prepare_commit_msg
*/
function restoreCommitMessage(filePath, source) {
if (!!source) {
log('Skipping commit message restoration attempt');
if (source === 'message') {
debug('A commit message was already provided via the command with a -m or -F flag');
}
if (source === 'template') {
debug('A commit message was already provided via the -t flag or config.template setting');
}
if (source === 'squash') {
debug('A commit message was already provided as a merge action or via .git/MERGE_MSG');
}
if (source === 'commit') {
debug('A commit message was already provided through a revision specified via --fixup, -c,');
debug('-C or --amend flag');
}
process.exit(0);
}
/** A draft of a commit message. */
const commitMessage = loadCommitMessageDraft(filePath);
// If the commit message draft has content, restore it into the provided filepath.
if (commitMessage) {
fs.writeFileSync(filePath, commitMessage);
}
// Exit the process
process.exit(0);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Builds the command. */
function builder$1(yargs) {
return yargs
.option('file-env-variable', {
type: 'string',
description: 'The key for the environment variable which holds the arguments for the\n' +
'prepare-commit-msg hook as described here:\n' +
'https://git-scm.com/docs/githooks#_prepare_commit_msg'
})
.positional('file', { type: 'string' })
.positional('source', { type: 'string' });
}
/** Handles the command. */
function handler$1({ fileEnvVariable, file, source }) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// File and source are provided as command line parameters
if (file !== undefined) {
restoreCommitMessage(file, source);
return;
}
// File and source are provided as values held in an environment variable.
if (fileEnvVariable !== undefined) {
const [fileFromEnv, sourceFromEnv] = (process.env[fileEnvVariable] || '').split(' ');
if (!fileFromEnv) {
throw new Error(`Provided environment variable "${fileEnvVariable}" was not found.`);
}
restoreCommitMessage(fileFromEnv, sourceFromEnv);
return;
}
throw new Error('No file path and commit message source provide. Provide values via positional command ' +
'arguments, or via the --file-env-variable flag');
});
}
/** yargs command module describing the command. */
const RestoreCommitMessageModule = {
handler: handler$1,
builder: builder$1,
command: 'restore-commit-message-draft [file] [source]',
// Description: Restore a commit message draft if one has been saved from a failed commit attempt.
// No describe is defiend to hide the command from the --help.
describe: false,
};
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Retrieve and validate the config as `CommitMessageConfig`. */
function getCommitMessageConfig() {
// List of errors encountered validating the config.
const errors = [];
// The non-validated config object.
const config = getConfig();
if (config.commitMessage === undefined) {
errors.push(`No configuration defined for "commitMessage"`);
}
assertNoErrors(errors);
return config;
}
/** Scope requirement level to be set for each commit type. */
var ScopeRequirement;
(function (ScopeRequirement) {
ScopeRequirement[ScopeRequirement["Required"] = 0] = "Required";
ScopeRequirement[ScopeRequirement["Optional"] = 1] = "Optional";
ScopeRequirement[ScopeRequirement["Forbidden"] = 2] = "Forbidden";
})(ScopeRequirement || (ScopeRequirement = {}));
/** The valid commit types for Angular commit messages. */
const COMMIT_TYPES = {
build: {
name: 'build',
description: 'Changes to local repository build system and tooling',
scope: ScopeRequirement.Optional,
},
ci: {
name: 'ci',
description: 'Changes to CI configuration and CI specific tooling',
scope: ScopeRequirement.Forbidden,
},
docs: {
name: 'docs',
description: 'Changes which exclusively affects documentation.',
scope: ScopeRequirement.Optional,
},
feat: {
name: 'feat',
description: 'Creates a new feature',
scope: ScopeRequirement.Required,
},
fix: {
name: 'fix',
description: 'Fixes a previously discovered failure/bug',
scope: ScopeRequirement.Required,
},
perf: {
name: 'perf',
description: 'Improves performance without any change in functionality or API',
scope: ScopeRequirement.Required,
},
refactor: {
name: 'refactor',
description: 'Refactor without any change in functionality or API (includes style changes)',
scope: ScopeRequirement.Required,
},
release: {
name: 'release',
description: 'A release point in the repository',
scope: ScopeRequirement.Forbidden,
},
test: {
name: 'test',
description: 'Improvements or corrections made to the project\'s test suite',
scope: ScopeRequirement.Required,
},
};
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Regex determining if a commit is a fixup. */
const FIXUP_PREFIX_RE = /^fixup! /i;
/** Regex finding all github keyword links. */
const GITHUB_LINKING_RE = /((closed?s?)|(fix(es)?(ed)?)|(resolved?s?))\s\#(\d+)/ig;
/** Regex determining if a commit is a squash. */
const SQUASH_PREFIX_RE = /^squash! /i;
/** Regex determining if a commit is a revert. */
const REVERT_PREFIX_RE = /^revert:? /i;
/** Regex determining the scope of a commit if provided. */
const TYPE_SCOPE_RE = /^(\w+)(?:\(([^)]+)\))?\:\s(.+)$/;
/** Regex determining the entire header line of the commit. */
const COMMIT_HEADER_RE = /^(.*)/i;
/** Regex determining the body of the commit. */
const COMMIT_BODY_RE = /^.*\n\n([\s\S]*)$/;
/** Parse a full commit message into its composite parts. */
function parseCommitMessage(commitMsg) {
// Ignore comments (i.e. lines starting with `#`). Comments are automatically removed by git and
// should not be considered part of the final commit message.
commitMsg = commitMsg.split('\n').filter(line => !line.startsWith('#')).join('\n');
let header = '';
let body = '';
let bodyWithoutLinking = '';
let type = '';
let scope = '';
let subject = '';
if (COMMIT_HEADER_RE.test(commitMsg)) {
header = COMMIT_HEADER_RE.exec(commitMsg)[1]
.replace(FIXUP_PREFIX_RE, '')
.replace(SQUASH_PREFIX_RE, '');
}
if (COMMIT_BODY_RE.test(commitMsg)) {
body = COMMIT_BODY_RE.exec(commitMsg)[1];
bodyWithoutLinking = body.replace(GITHUB_LINKING_RE, '');
}
if (TYPE_SCOPE_RE.test(header)) {
const parsedCommitHeader = TYPE_SCOPE_RE.exec(header);
type = parsedCommitHeader[1];
scope = parsedCommitHeader[2];
subject = parsedCommitHeader[3];
}
return {
header,
body,
bodyWithoutLinking,
type,
scope,
subject,
isFixup: FIXUP_PREFIX_RE.test(commitMsg),
isSquash: SQUASH_PREFIX_RE.test(commitMsg),
isRevert: REVERT_PREFIX_RE.test(commitMsg),
};
}
/** Retrieve and parse each commit message in a provide range. */
function parseCommitMessagesForRange(range) {
/** A random number used as a split point in the git log result. */
const randomValueSeparator = `${Math.random()}`;
/**
* Custom git log format that provides the commit header and body, separated as expected with the
* custom separator as the trailing value.
*/
const gitLogFormat = `%s%n%n%b${randomValueSeparator}`;
// Retrieve the commits in the provided range.
const result = exec(`git log --reverse --format=${gitLogFormat} ${range}`);
if (result.code) {
throw new Error(`Failed to get all commits in the range:\n ${result.stderr}`);
}
return result
// Separate the commits from a single string into individual commits.
.split(randomValueSeparator)
// Remove extra space before and after each commit message.
.map(l => l.trim())
// Remove any superfluous lines which remain from the split.
.filter(line => !!line)
// Parse each commit message.
.map(commit => parseCommitMessage(commit));
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Regex matching a URL for an entire commit body line. */
const COMMIT_BODY_URL_LINE_RE = /^https?:\/\/.*$/;
/** Validate a commit message against using the local repo's config. */
function validateCommitMessage(commitMsg, options = {}) {
const config = getCommitMessageConfig().commitMessage;
const commit = typeof commitMsg === 'string' ? parseCommitMessage(commitMsg) : commitMsg;
const errors = [];
/** Perform the validation checks against the parsed commit. */
function validateCommitAndCollectErrors() {
// TODO(josephperrott): Remove early return calls when commit message errors are found
var _a;
////////////////////////////////////
// Checking revert, squash, fixup //
////////////////////////////////////
// All revert commits are considered valid.
if (commit.isRevert) {
return true;
}
// All squashes are considered valid, as the commit will be squashed into another in
// the git history anyway, unless the options provided to not allow squash commits.
if (commit.isSquash) {
if (options.disallowSquash) {
errors.push('The commit must be manually squashed into the target commit');
return false;
}
return true;
}
// Fixups commits are considered valid, unless nonFixupCommitHeaders are provided to check
// against. If `nonFixupCommitHeaders` is not empty, we check whether there is a corresponding
// non-fixup commit (i.e. a commit whose header is identical to this commit's header after
// stripping the `fixup! ` prefix), otherwise we assume this verification will happen in another
// check.
if (commit.isFixup) {
if (options.nonFixupCommitHeaders && !options.nonFixupCommitHeaders.includes(commit.header)) {
errors.push('Unable to find match for fixup commit among prior commits: ' +
(options.nonFixupCommitHeaders.map(x => `\n ${x}`).join('') || '-'));
return false;
}
return true;
}
////////////////////////////
// Checking commit header //
////////////////////////////
if (commit.header.length > config.maxLineLength) {
errors.push(`The commit message header is longer than ${config.maxLineLength} characters`);
return false;
}
if (!commit.type) {
errors.push(`The commit message header does not match the expected format.`);
return false;
}
if (COMMIT_TYPES[commit.type] === undefined) {
errors.push(`'${commit.type}' is not an allowed type.\n => TYPES: ${Object.keys(COMMIT_TYPES).join(', ')}`);
return false;
}
/** The scope requirement level for the provided type of the commit message. */
const scopeRequirementForType = COMMIT_TYPES[commit.type].scope;
if (scopeRequirementForType === ScopeRequirement.Forbidden && commit.scope) {
errors.push(`Scopes are forbidden for commits with type '${commit.type}', but a scope of '${commit.scope}' was provided.`);
return false;
}
if (scopeRequirementForType === ScopeRequirement.Required && !commit.scope) {
errors.push(`Scopes are required for commits with type '${commit.type}', but no scope was provided.`);
return false;
}
if (commit.scope && !config.scopes.includes(commit.scope)) {
errors.push(`'${commit.scope}' is not an allowed scope.\n => SCOPES: ${config.scopes.join(', ')}`);
return false;
}
// Commits with the type of `release` do not require a commit body.
if (commit.type === 'release') {
return true;
}
//////////////////////////
// Checking commit body //
//////////////////////////
if (!((_a = config.minBodyLengthTypeExcludes) === null || _a === void 0 ? void 0 : _a.includes(commit.type)) &&
commit.bodyWithoutLinking.trim().length < config.minBodyLength) {
errors.push(`The commit message body does not meet the minimum length of ${config.minBodyLength} characters`);
return false;
}
const bodyByLine = commit.body.split('\n');
const lineExceedsMaxLength = bodyByLine.some(line => {
// Check if any line exceeds the max line length limit. The limit is ignored for
// lines that just contain an URL (as these usually cannot be wrapped or shortened).
return line.length > config.maxLineLength && !COMMIT_BODY_URL_LINE_RE.test(line);
});
if (lineExceedsMaxLength) {
errors.push(`The commit message body contains lines greater than ${config.maxLineLength} characters`);
return false;
}
return true;
}
return { valid: validateCommitAndCollectErrors(), errors, commit };
}
/** Print the error messages from the commit message validation to the console. */
function printValidationErrors(errors, print = error) {
print.group(`Error${errors.length === 1 ? '' : 's'}:`);
errors.forEach(line => print(line));
print.groupEnd();
print();
print('The expected format for a commit is: ');
print('<type>(<scope>): <summary>');
print();
print('<body>');
print();
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Validate commit message at the provided file path. */
function validateFile(filePath, isErrorMode) {
const commitMessage = fs.readFileSync(path.resolve(getRepoBaseDir(), filePath), 'utf8');
const { valid, errors } = validateCommitMessage(commitMessage);
if (valid) {
info(`${green('√')} Valid commit message`);
deleteCommitMessageDraft(filePath);
process.exitCode = 0;
return;
}
/** Function used to print to the console log. */
let printFn = isErrorMode ? error : log;
printFn(`${isErrorMode ? red('✘') : yellow('!')} Invalid commit message`);
printValidationErrors(errors, printFn);
if (isErrorMode) {
printFn(red('Aborting commit attempt due to invalid commit message.'));
printFn(red('Commit message aborted as failure rather than warning due to local configuration.'));
}
else {
printFn(yellow('Before this commit can be merged into the upstream repository, it must be'));
printFn(yellow('amended to follow commit message guidelines.'));
}
// On all invalid commit messages, the commit message should be saved as a draft to be
// restored on the next commit attempt.
saveCommitMessageDraft(filePath, commitMessage);
// Set the correct exit code based on if invalid commit message is an error.
process.exitCode = isErrorMode ? 1 : 0;
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Builds the command. */
function builder$2(yargs) {
var _a;
return yargs
.option('file', {
type: 'string',
conflicts: ['file-env-variable'],
description: 'The path of the commit message file.',
})
.option('file-env-variable', {
type: 'string',
conflicts: ['file'],
description: 'The key of the environment variable for the path of the commit message file.',
coerce: (arg) => {
const file = process.env[arg];
if (!file) {
throw new Error(`Provided environment variable "${arg}" was not found.`);
}
return file;
},
})
.option('error', {
type: 'boolean',
description: 'Whether invalid commit messages should be treated as failures rather than a warning',
default: !!((_a = getUserConfig().commitMessage) === null || _a === void 0 ? void 0 : _a.errorOnInvalidMessage) || !!process.env['CI']
});
}
/** Handles the command. */
function handler$2({ error, file, fileEnvVariable }) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const filePath = file || fileEnvVariable || '.git/COMMIT_EDITMSG';
validateFile(filePath, error);
});
}
/** yargs command module describing the command. */
const ValidateFileModule = {
handler: handler$2,
builder: builder$2,
command: 'pre-commit-validate',
describe: 'Validate the most recent commit message',
};
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
// Whether the provided commit is a fixup commit.
const isNonFixup = (commit) => !commit.isFixup;
// Extracts commit header (first line of commit message).
const extractCommitHeader = (commit) => commit.header;
/** Validate all commits in a provided git commit range. */
function validateCommitRange(range) {
/** A list of tuples of the commit header string and a list of error messages for the commit. */
const errors = [];
/** A list of parsed commit messages from the range. */
const commits = parseCommitMessagesForRange(range);
info(`Examining ${commits.length} commit(s) in the provided range: ${range}`);
/**
* Whether all commits in the range are valid, commits are allowed to be fixup commits for other
* commits in the provided commit range.
*/
const allCommitsInRangeValid = commits.every((commit, i) => {
const options = {
disallowSquash: true,
nonFixupCommitHeaders: isNonFixup(commit) ?
undefined :
commits.slice(0, i).filter(isNonFixup).map(extractCommitHeader)
};
const { valid, errors: localErrors } = validateCommitMessage(commit, options);
if (localErrors.length) {
errors.push([commit.header, localErrors]);
}
return valid;
});
if (allCommitsInRangeValid) {
info('√ All commit messages in range valid.');
}
else {
error('✘ Invalid commit message');
errors.forEach(([header, validationErrors]) => {
error.group(header);
printValidationErrors(validationErrors);
error.groupEnd();
});
// Exit with a non-zero exit code if invalid commit messages have
// been discovered.
process.exit(1);
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Builds the command. */
function builder$3(yargs) {
return yargs.option('range', {
description: 'The range of commits to check, e.g. --range abc123..xyz456',
demandOption: ' A range must be provided, e.g. --range abc123..xyz456',
type: 'string',
requiresArg: true,
});
}
/** Handles the command. */
function handler$3({ range }) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// If on CI, and no pull request number is provided, assume the branch
// being run on is an upstream branch.
if (process.env['CI'] && process.env['CI_PULL_REQUEST'] === 'false') {
info(`Since valid commit messages are enforced by PR linting on CI, we do not`);
info(`need to validate commit messages on CI runs on upstream branches.`);
info();
info(`Skipping check of provided commit range`);
return;
}
validateCommitRange(range);
});
}
/** yargs command module describing the command. */
const ValidateRangeModule = {
handler: handler$3,
builder: builder$3,
command: 'validate-range',
describe: 'Validate a range of commit messages',
};
/** Validate commit message at the provided file path. */
function buildCommitMessage() {
return tslib.__awaiter(this, void 0, void 0, function* () {
// TODO(josephperrott): Add support for skipping wizard with local untracked config file
// TODO(josephperrott): Add default commit message information/commenting into generated messages
info('Just a few questions to start building the commit message!');
/** The commit message type. */
const type = yield promptForCommitMessageType();
/** The commit message scope. */
const scope = yield promptForCommitMessageScopeForType(type);
/** The commit message summary. */
const summary = yield promptForCommitMessageSummary();
return `${type.name}${scope ? '(' + scope + ')' : ''}: ${summary}\n\n`;
});
}
/** Prompts in the terminal for the commit message's type. */
function promptForCommitMessageType() {
return tslib.__awaiter(this, void 0, void 0, function* () {
info('The type of change in the commit. Allows a reader to know the effect of the change,');
info('whether it brings a new feature, adds additional testing, documents the `project, etc.');
/** List of commit type options for the autocomplete prompt. */
const typeOptions = Object.values(COMMIT_TYPES).map(({ description, name }) => {
return {
name: `${name} - ${description}`,
value: name,
short: name,
};
});
/** The key of a commit message type, selected by the user via prompt. */
const typeName = yield promptAutocomplete('Select a type for the commit:', typeOptions);
return COMMIT_TYPES[typeName];
});
}
/** Prompts in the terminal for the commit message's scope. */
function promptForCommitMessageScopeForType(type) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// If the commit type's scope requirement is forbidden, return early.
if (type.scope === ScopeRequirement.Forbidden) {
info(`Skipping scope selection as the '${type.name}' type does not allow scopes`);
return false;
}
/** Commit message configuration */
const config = getCommitMessageConfig();
info('The area of the repository the changes in this commit most affects.');
return yield promptAutocomplete('Select a scope for the commit:', config.commitMessage.scopes, type.scope === ScopeRequirement.Optional ? '<no scope>' : '');
});
}
/** Prompts in the terminal for the commit message's summary. */
function promptForCommitMessageSummary() {
return tslib.__awaiter(this, void 0, void 0, function* () {
info('Provide a short summary of what the changes in the commit do');
return yield promptInput('Provide a short summary of the commit');
});
}
/** The default commit message used if the wizard does not procude a commit message. */
const defaultCommitMessage = `<type>(<scope>): <summary>
# <Describe the motivation behind this change - explain WHY you are making this change. Wrap all
# lines at 100 characters.>\n\n`;
function runWizard(args) {
var _a;
return tslib.__awaiter(this, void 0, void 0, function* () {
if ((_a = getUserConfig().commitMessage) === null || _a === void 0 ? void 0 : _a.disableWizard) {
debug('Skipping commit message wizard due to enabled `commitMessage.disableWizard` option in');
debug('user config.');
process.exitCode = 0;
return;
}
if (args.source !== undefined) {
info(`Skipping commit message wizard because the commit was created via '${args.source}' source`);
process.exitCode = 0;
return;
}
// Set the default commit message to be updated if the user cancels out of the wizard in progress
fs.writeFileSync(args.filePath, defaultCommitMessage);
/** The generated commit message. */
const commitMessage = yield buildCommitMessage();
fs.writeFileSync(args.filePath, commitMessage);
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Builds the command. */
function builder$4(yargs) {
return yargs
.positional('filePath', {
description: 'The file path to write the generated commit message into',
type: 'string',
demandOption: true,
})
.positional('source', {
choices: ['message', 'template', 'merge', 'squash', 'commit'],
description: 'The source of the commit message as described here: ' +
'https://git-scm.com/docs/githooks#_prepare_commit_msg'
})
.positional('commitSha', {
description: 'The commit sha if source is set to `commit`',
type: 'string',
});
}
/** Handles the command. */
function handler$4(args) {
return tslib.__awaiter(this, void 0, void 0, function* () {
yield runWizard(args);
});
}
/** yargs command module describing the command. */
const WizardModule = {
handler: handler$4,
builder: builder$4,
command: 'wizard <filePath> [source] [commitSha]',
// Description: Run the wizard to build a base commit message before opening to complete.
// No describe is defiend to hide the command from the --help.
describe: false,
};
/** Build the parser for the commit-message commands. */
function buildCommitMessageParser(localYargs) {
return localYargs.help()
.strict()
.command(RestoreCommitMessageModule)
.command(WizardModule)
.command(ValidateFileModule)
.command(ValidateRangeModule);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* A list of all files currently in the repo which have been modified since the provided sha.
*
* git diff
* Deleted files (--diff-filter=d) are not included as they are not longer present in the repo
* and can not be checked anymore.
*
* git ls-files
* Untracked files (--others), which are not matched by .gitignore (--exclude-standard)
* as they are expected to become tracked files.
*/
function allChangedFilesSince(sha) {
if (sha === void 0) { sha = 'HEAD'; }
var diffFiles = gitOutputAsArray("git diff --name-only --diff-filter=d " + sha);
var untrackedFiles = gitOutputAsArray("git ls-files --others --exclude-standard");
// Use a set to deduplicate the list as its possible for a file to show up in both lists.
return Array.from(new Set(tslib.__spread(diffFiles, untrackedFiles)));
}
/**
* A list of all staged files which have been modified.
*
* Only added, created and modified files are listed as others (deleted, renamed, etc) aren't
* changed or available as content to act upon.
*/
function allStagedFiles() {
return gitOutputAsArray("git diff --staged --name-only --diff-filter=ACM");
}
function allFiles() {
return gitOutputAsArray("git ls-files");
}
function gitOutputAsArray(cmd) {
return exec(cmd, { cwd: getRepoBaseDir() }).split('\n').map(function (x) { return x.trim(); }).filter(function (x) { return !!x; });
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Retrieve and validate the config as `FormatConfig`. */
function getFormatConfig() {
// List of errors encountered validating the config.
const errors = [];
// The unvalidated config object.
const config = getConfig();
if (config.format === undefined) {
errors.push(`No configuration defined for "format"`);
}
for (const [key, value] of Object.entries(config.format)) {
switch (typeof value) {
case 'boolean':
break;
case 'object':
checkFormatterConfig(key, value, errors);
break;
default:
errors.push(`"format.${key}" is not a boolean or Formatter object`);
}
}
assertNoErrors(errors);
return config;
}
/** Validate an individual Formatter config. */
function checkFormatterConfig(key, config, errors) {
if (config.matchers === undefined) {
errors.push(`Missing "format.${key}.matchers" value`);
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* The base class for formatters to run against provided files.
*/
class Formatter {
constructor(config) {
this.config = config;
}
/**
* Retrieve the command to execute the provided action, including both the binary
* and command line flags.
*/
commandFor(action) {
switch (action) {
case 'check':
return `${this.binaryFilePath} ${this.actions.check.commandFlags}`;
case 'format':
return `${this.binaryFilePath} ${this.actions.format.commandFlags}`;
default:
throw Error('Unknown action type');
}
}
/**
* Retrieve the callback for the provided action to determine if an action
* failed in formatting.
*/
callbackFor(action) {
switch (action) {
case 'check':
return this.actions.check.callback;
case 'format':
return this.actions.format.callback;
default:
throw Error('Unknown action type');
}
}
/** Whether the formatter is enabled in the provided config. */
isEnabled() {
return !!this.config[this.name];
}
/** Retrieve the active file matcher for the formatter. */
getFileMatcher() {
return this.getFileMatcherFromConfig() || this.defaultFileMatcher;
}
/**
* Retrieves the file matcher from the config provided to the constructor if provided.
*/
getFileMatcherFromConfig() {
const formatterConfig = this.config[this.name];
if (typeof formatterConfig === 'boolean') {
return undefined;
}
return formatterConfig.matchers;
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Formatter for running buildifier against bazel related files.
*/
class Buildifier extends Formatter {
constructor() {
super(...arguments);
this.name = 'buildifier';
this.binaryFilePath = path.join(getRepoBaseDir(), 'node_modules/.bin/buildifier');
this.defaultFileMatcher = ['**/*.bzl', '**/BUILD.bazel', '**/WORKSPACE', '**/BUILD'];
this.actions = {
check: {
commandFlags: `${BAZEL_WARNING_FLAG} --lint=warn --mode=check --format=json`,
callback: (_, code, stdout) => {
return code !== 0 || !JSON.parse(stdout)['success'];
},
},
format: {
commandFlags: `${BAZEL_WARNING_FLAG} --lint=fix --mode=fix`,
callback: (file, code, _, stderr) => {
if (code !== 0) {
error(`Error running buildifier on: ${file}`);
error(stderr);
error();
return true;
}
return false;
}
}
};
}
}
// The warning flag for buildifier copied from angular/angular's usage.
const BAZEL_WARNING_FLAG = `--warnings=attr-cfg,attr-license,attr-non-empty,attr-output-default,` +
`attr-single-file,constant-glob,ctx-args,depset-iteration,depset-union,dict-concatenation,` +
`duplicated-name,filetype,git-repository,http-archive,integer-division,load,load-on-top,` +
`native-build,native-package,output-group,package-name,package-on-top,positional-args,` +
`redefined-variable,repository-name,same-origin-load,string-iteration,unused-variable`;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Formatter for running clang-format against Typescript and Javascript files
*/
class ClangFormat extends Formatter {
constructor() {
super(...arguments);
this.name = 'clang-format';
this.binaryFilePath = path.join(getRepoBaseDir(), 'node_modules/.bin/clang-format');
this.defaultFileMatcher = ['**/*.{t,j}s'];
this.actions = {
check: {
commandFlags: `--Werror -n -style=file`,
callback: (_, code) => {
return code !== 0;
},
},
format: {
commandFlags: `-i -style=file`,
callback: (file, code, _, stderr) => {
if (code !== 0) {
error(`Error running clang-format on: ${file}`);
error(stderr);
error();
return true;
}
return false;
}
}
};
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Get all defined formatters which are active based on the current loaded config.
*/
function getActiveFormatters() {
const config = getFormatConfig().format;
return [new Buildifier(config), new ClangFormat(config)].filter(formatter => formatter.isEnabled());
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
const AVAILABLE_THREADS = Math.max(os.cpus().length - 1, 1);
/**
* Run the provided commands in parallel for each provided file.
*
* Running the formatter is split across (number of available cpu threads - 1) processess.
* The task is done in multiple processess to speed up the overall time of the task, as running
* across entire repositories takes a large amount of time.
* As a data point for illustration, using 8 process rather than 1 cut the execution
* time from 276 seconds to 39 seconds for the same 2700 files.
*
* A promise is returned, completed when the command has completed running for each file.
* The promise resolves with a list of failures, or `false` if no formatters have matched.
*/
function runFormatterInParallel(allFiles, action) {
return new Promise((resolve) => {
const formatters = getActiveFormatters();
const failures = [];
const pendingCommands = [];
for (const formatter of formatters) {
pendingCommands.push(...multimatch.call(undefined, allFiles, formatter.getFileMatcher(), { dot: true })
.map(file => ({ formatter, file })));
}
// If no commands are generated, resolve the promise as `false` as no files
// were run against the any formatters.
if (pendingCommands.length === 0) {
return resolve(false);
}
switch (action) {
case 'format':
info(`Formatting ${pendingCommands.length} file(s)`);
break;
case 'check':
info(`Checking format of ${pendingCommands.length} file(s)`);
break;
default:
throw Error(`Invalid format action "${action}": allowed actions are "format" and "check"`);
}
// The progress bar instance to use for progress tracking.
const progressBar = new cliProgress.Bar({ format: `[{bar}] ETA: {eta}s | {value}/{total} files`, clearOnComplete: true });
// A local copy of the files to run the command on.
// An array to represent the current usage state of each of the threads for parallelization.
const threads = new Array(AVAILABLE_THREADS).fill(false);
// Recursively run the command on the next available file from the list using the provided
// thread.
function runCommandInThread(thread) {
const nextCommand = pendingCommands.pop();
// If no file was pulled from the array, return as there are no more files to run against.
if (nextCommand === undefined) {
threads[thread] = false;
return;
}
// Get the file and formatter for the next command.
const { file, formatter } = nextCommand;
shelljs.exec(`${formatter.commandFor(action)} ${file}`, { async: true, silent: true }, (code, stdout, stderr) => {
// Run the provided callback function.
const failed = formatter.callbackFor(action)(file, code, stdout, stderr);
if (failed) {
failures.push(file);
}
// Note in the progress bar another file being completed.
progressBar.increment(1);
// If more files exist in the list, run again to work on the next file,
// using the same slot.
if (pendingCommands.length) {
return runCommandInThread(thread);
}
// If not more files are available, mark the thread as unused.
threads[thread] = false;
// If all of the threads are false, as they are unused, mark the progress bar
// completed and resolve the promise.
if (threads.every(active => !active)) {
progressBar.stop();
resolve(failures);
}
});
// Mark the thread as in use as the command execution has been started.
threads[thread] = true;
}
// Start the progress bar
progressBar.start(pendingCommands.length, 0);
// Start running the command on files from the least in each available thread.
threads.forEach((_, idx) => runCommandInThread(idx));
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Format provided files in place.
*/
function formatFiles(files) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// Whether any files failed to format.
let failures = yield runFormatterInParallel(files, 'format');
if (failures === false) {
info('No files matched for formatting.');
process.exit(0);
}
// The process should exit as a failure if any of the files failed to format.
if (failures.length !== 0) {
error(`Formatting failed, see errors above for more information.`);
process.exit(1);
}
info(`√ Formatting complete.`);
process.exit(0);
});
}
/**
* Check provided files for formatting correctness.
*/
function checkFiles(files) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// Files which are currently not formatted correctly.
const failures = yield runFormatterInParallel(files, 'check');
if (failures === false) {
info('No files matched for formatting check.');
process.exit(0);
}
if (failures.length) {
// Provide output expressing which files are failing formatting.
info.group('\nThe following files are out of format:');
for (const file of failures) {
info(` - ${file}`);
}
info.groupEnd();
info();
// If the command is run in a non-CI environment, prompt to format the files immediately.
let runFormatter = false;
if (!process.env['CI']) {
runFormatter = yield promptConfirm('Format the files now?', true);
}
if (runFormatter) {
// Format the failing files as requested.
yield formatFiles(failures);
process.exit(0);
}
else {
// Inform user how to format files in the future.
info();
info(`To format the failing file run the following command:`);
info(` yarn ng-dev format files ${failures.join(' ')}`);
process.exit(1);
}
}
else {
info('√ All files correctly formatted.');
process.exit(0);
}
});
}
/** Build the parser for the format commands. */
function buildFormatParser(localYargs) {
return localYargs.help()
.strict()
.demandCommand()
.option('check', {
type: 'boolean',
default: process.env['CI'] ? true : false,
description: 'Run the formatter to check formatting rather than updating code format'
})
.command('all', 'Run the formatter on all files in the repository', args => args, ({ check }) => {
const executionCmd = check ? checkFiles : formatFiles;
executionCmd(allFiles());
})
.command('changed [shaOrRef]', 'Run the formatter on files changed since the provided sha/ref', args => args.positional('shaOrRef', { type: 'string' }), ({ shaOrRef, check }) => {
const sha = shaOrRef || 'master';
const executionCmd = check ? checkFiles : formatFiles;
executionCmd(allChangedFilesSince(sha));
})
.command('staged', 'Run the formatter on all staged files', args => args, ({ check }) => {
const executionCmd = check ? checkFiles : formatFiles;
executionCmd(allStagedFiles());
})
.command('files <files..>', 'Run the formatter on provided files', args => args.positional('files', { array: true, type: 'string' }), ({ check, files }) => {
const executionCmd = check ? checkFiles : formatFiles;
executionCmd(files);
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
function verify() {
/** Full path to NgBot config file */
const NGBOT_CONFIG_YAML_PATH = path.resolve(getRepoBaseDir(), '.github/angular-robot.yml');
/** The NgBot config file */
const ngBotYaml = fs.readFileSync(NGBOT_CONFIG_YAML_PATH, 'utf8');
try {
// Try parsing the config file to verify that the syntax is correct.
yaml.parse(ngBotYaml);
info(`${green('√')} Valid NgBot YAML config`);
}
catch (e) {
error(`${red('!')} Invalid NgBot YAML config`);
error(e);
process.exitCode = 1;
}
}
/** Build the parser for the NgBot commands. */
function buildNgbotParser(localYargs) {
return localYargs.help().strict().demandCommand().command('verify', 'Verify the NgBot config', {}, () => verify());
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Loads and validates the merge configuration. */
function loadAndValidateConfig(config, api) {
return tslib.__awaiter(this, void 0, void 0, function () {
var mergeConfig, errors;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0:
if (config.merge === undefined) {
return [2 /*return*/, { errors: ['No merge configuration found. Set the `merge` configuration.'] }];
}
if (typeof config.merge !== 'function') {
return [2 /*return*/, { errors: ['Expected merge configuration to be defined lazily through a function.'] }];
}
return [4 /*yield*/, config.merge(api)];
case 1:
mergeConfig = _a.sent();
errors = validateMergeConfig(mergeConfig);
if (errors.length) {
return [2 /*return*/, { errors: errors }];
}
return [2 /*return*/, { config: mergeConfig }];
}
});
});
}
/** Validates the specified configuration. Returns a list of failure messages. */
function validateMergeConfig(config) {
var errors = [];
if (!config.labels) {
errors.push('No label configuration.');
}
else if (!Array.isArray(config.labels)) {
errors.push('Label configuration needs to be an array.');
}
if (!config.claSignedLabel) {
errors.push('No CLA signed label configured.');
}
if (!config.mergeReadyLabel) {
errors.push('No merge ready label configured.');
}
if (config.githubApiMerge === undefined) {
errors.push('No explicit choice of merge strategy. Please set `githubApiMerge`.');
}
return errors;
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Checks whether the specified value matches the given pattern. */
function matchesPattern(value, pattern) {
return typeof pattern === 'string' ? value === pattern : pattern.test(value);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Unique error that can be thrown in the merge configuration if an
* invalid branch is targeted.
*/
var InvalidTargetBranchError = /** @class */ (function () {
function InvalidTargetBranchError(failureMessage) {
this.failureMessage = failureMessage;
}
return InvalidTargetBranchError;
}());
/**
* Unique error that can be thrown in the merge configuration if an
* invalid label has been applied to a pull request.
*/
var InvalidTargetLabelError = /** @class */ (function () {
function InvalidTargetLabelError(failureMessage) {
this.failureMessage = failureMessage;
}
return InvalidTargetLabelError;
}());
/** Gets the target label from the specified pull request labels. */
function getTargetLabelFromPullRequest(config, labels) {
var e_1, _a;
var _loop_1 = function (label) {
var match = config.labels.find(function (_a) {
var pattern = _a.pattern;
return matchesPattern(label, pattern);
});
if (match !== undefined) {
return { value: match };
}
};
try {
for (var labels_1 = tslib.__values(labels), labels_1_1 = labels_1.next(); !labels_1_1.done; labels_1_1 = labels_1.next()) {
var label = labels_1_1.value;
var state_1 = _loop_1(label);
if (typeof state_1 === "object")
return state_1.value;
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (labels_1_1 && !labels_1_1.done && (_a = labels_1.return)) _a.call(labels_1);
}
finally { if (e_1) throw e_1.error; }
}
return null;
}
/**
* Gets the branches from the specified target label.
*
* @throws {InvalidTargetLabelError} Invalid label has been applied to pull request.
* @throws {InvalidTargetBranchError} Invalid Github target branch has been selected.
*/
function getBranchesFromTargetLabel(label, githubTargetBranch) {
return tslib.__awaiter(this, void 0, void 0, function () {
var _a;
return tslib.__generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!(typeof label.branches === 'function')) return [3 /*break*/, 2];
return [4 /*yield*/, label.branches(githubTargetBranch)];
case 1:
_a = _b.sent();
return [3 /*break*/, 4];
case 2: return [4 /*yield*/, label.branches];
case 3:
_a = _b.sent();
_b.label = 4;
case 4: return [2 /*return*/, _a];
}
});
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
function getTargetBranchesForPr(prNumber) {
return tslib.__awaiter(this, void 0, void 0, function* () {
/** The ng-dev configuration. */
const config = getConfig();
/** Repo owner and name for the github repository. */
const { owner, name: repo } = config.github;
/** The git client to get a Github API service instance. */
const git = new GitClient(undefined, config);
/** The validated merge config. */
const { config: mergeConfig, errors } = yield loadAndValidateConfig(config, git.github);
if (errors !== undefined) {
throw Error(`Invalid configuration found: ${errors}`);
}
/** The current state of the pull request from Github. */
const prData = (yield git.github.pulls.get({ owner, repo, pull_number: prNumber })).data;
/** The list of labels on the PR as strings. */
const labels = prData.labels.map(l => l.name);
/** The branch targetted via the Github UI. */
const githubTargetBranch = prData.base.ref;
/** The active label which is being used for targetting the PR. */
const targetLabel = getTargetLabelFromPullRequest(mergeConfig, labels);
if (targetLabel === null) {
error(red(`No target label was found on pr #${prNumber}`));
process.exitCode = 1;
return;
}
/** The target branches based on the target label and branch targetted in the Github UI. */
return yield getBranchesFromTargetLabel(targetLabel, githubTargetBranch);
});
}
function printTargetBranchesForPr(prNumber) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const targets = yield getTargetBranchesForPr(prNumber);
if (targets === undefined) {
return;
}
info.group(`PR #${prNumber} will merge into:`);
targets.forEach(target => info(`- ${target}`));
info.groupEnd();
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Builds the command. */
function builder$5(yargs) {
return yargs.positional('pr', {
description: 'The pull request number',
type: 'number',
demandOption: true,
});
}
/** Handles the command. */
function handler$5({ pr }) {
return tslib.__awaiter(this, void 0, void 0, function* () {
yield printTargetBranchesForPr(pr);
});
}
/** yargs command module describing the command. */
const CheckTargetBranchesModule = {
handler: handler$5,
builder: builder$5,
command: 'check-target-branches <pr>',
describe: 'Check a PR to determine what branches it is currently targeting',
};
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Get a PR from github */
function getPr(prSchema, prNumber, git) {
return tslib.__awaiter(this, void 0, void 0, function () {
var _a, owner, name, PR_QUERY, result;
return tslib.__generator(this, function (_b) {
switch (_b.label) {
case 0:
_a = git.remoteConfig, owner = _a.owner, name = _a.name;
PR_QUERY = typedGraphqlify.params({
$number: 'Int!',
$owner: 'String!',
$name: 'String!',
}, {
repository: typedGraphqlify.params({ owner: '$owner', name: '$name' }, {
pullRequest: typedGraphqlify.params({ number: '$number' }, prSchema),
})
});
return [4 /*yield*/, git.github.graphql.query(PR_QUERY, { number: prNumber, owner: owner, name: name })];
case 1:
result = (_b.sent());
return [2 /*return*/, result.repository.pullRequest];
}
});
});
}
/** Get all pending PRs from github */
function getPendingPrs(prSchema, git) {
return tslib.__awaiter(this, void 0, void 0, function () {
var _a, owner, name, PRS_QUERY, cursor, hasNextPage, prs, params_1, results;
return tslib.__generator(this, function (_b) {
switch (_b.label) {
case 0:
_a = git.remoteConfig, owner = _a.owner, name = _a.name;
PRS_QUERY = typedGraphqlify.params({
$first: 'Int',
$after: 'String',
$owner: 'String!',
$name: 'String!',
}, {
repository: typedGraphqlify.params({ owner: '$owner', name: '$name' }, {
pullRequests: typedGraphqlify.params({
first: '$first',
after: '$after',
states: "OPEN",
}, {
nodes: [prSchema],
pageInfo: {
hasNextPage: typedGraphqlify.types.boolean,
endCursor: typedGraphqlify.types.string,
},
}),
})
});
hasNextPage = true;
prs = [];
_b.label = 1;
case 1:
if (!hasNextPage) return [3 /*break*/, 3];
params_1 = {
after: cursor || null,
first: 100,
owner: owner,
name: name,
};
return [4 /*yield*/, git.github.graphql.query(PRS_QUERY, params_1)];
case 2:
results = _b.sent();
prs.push.apply(prs, tslib.__spread(results.repository.pullRequests.nodes));
hasNextPage = results.repository.pullRequests.pageInfo.hasNextPage;
cursor = results.repository.pullRequests.pageInfo.endCursor;
return [3 /*break*/, 1];
case 3: return [2 /*return*/, prs];
}
});
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/* GraphQL schema for the response body for a pending PR. */
const PR_SCHEMA = {
state: typedGraphqlify.types.string,
maintainerCanModify: typedGraphqlify.types.boolean,
viewerDidAuthor: typedGraphqlify.types.boolean,
headRefOid: typedGraphqlify.types.string,
headRef: {
name: typedGraphqlify.types.string,
repository: {
url: typedGraphqlify.types.string,
nameWithOwner: typedGraphqlify.types.string,
},
},
baseRef: {
name: typedGraphqlify.types.string,
repository: {
url: typedGraphqlify.types.string,
nameWithOwner: typedGraphqlify.types.string,
},
},
};
class UnexpectedLocalChangesError extends Error {
constructor(m) {
super(m);
Object.setPrototypeOf(this, UnexpectedLocalChangesError.prototype);
}
}
class MaintainerModifyAccessError extends Error {
constructor(m) {
super(m);
Object.setPrototypeOf(this, MaintainerModifyAccessError.prototype);
}
}
/**
* Rebase the provided PR onto its merge target branch, and push up the resulting
* commit to the PRs repository.
*/
function checkOutPullRequestLocally(prNumber, githubToken, opts = {}) {
return tslib.__awaiter(this, void 0, void 0, function* () {
/** Authenticated Git client for git and Github interactions. */
const git = new GitClient(githubToken);
// In order to preserve local changes, checkouts cannot occur if local changes are present in the
// git environment. Checked before retrieving the PR to fail fast.
if (git.hasLocalChanges()) {
throw new UnexpectedLocalChangesError('Unable to checkout PR due to uncommitted changes.');
}
/**
* The branch or revision originally checked out before this method performed
* any Git operations that may change the working branch.
*/
const previousBranchOrRevision = git.getCurrentBranchOrRevision();
/* The PR information from Github. */
const pr = yield getPr(PR_SCHEMA, prNumber, git);
/** The branch name of the PR from the repository the PR came from. */
const headRefName = pr.headRef.name;
/** The full ref for the repository and branch the PR came from. */
const fullHeadRef = `${pr.headRef.repository.nameWithOwner}:${headRefName}`;
/** The full URL path of the repository the PR came from with github token as authentication. */
const headRefUrl = addTokenToGitHttpsUrl(pr.headRef.repository.url, githubToken);
// Note: Since we use a detached head for rebasing the PR and therefore do not have
// remote-tracking branches configured, we need to set our expected ref and SHA. This
// allows us to use `--force-with-lease` for the detached head while ensuring that we
// never accidentally override upstream changes that have been pushed in the meanwhile.
// See:
// https://git-scm.com/docs/git-push#Documentation/git-push.txt---force-with-leaseltrefnamegtltexpectgt
/** Flag for a force push with leage back to upstream. */
const forceWithLeaseFlag = `--force-with-lease=${headRefName}:${pr.headRefOid}`;
// If the PR does not allow maintainers to modify it, exit as the rebased PR cannot
// be pushed up.
if (!pr.maintainerCanModify && !pr.viewerDidAuthor && !opts.allowIfMaintainerCannotModify) {
throw new MaintainerModifyAccessError('PR is not set to allow maintainers to modify the PR');
}
try {
// Fetch the branch at the commit of the PR, and check it out in a detached state.
info(`Checking out PR #${prNumber} from ${fullHeadRef}`);
git.run(['fetch', '-q', headRefUrl, headRefName]);
git.run(['checkout', '--detach', 'FETCH_HEAD']);
}
catch (e) {
git.checkout(previousBranchOrRevision, true);
throw e;
}
return {
/**
* Pushes the current local branch to the PR on the upstream repository.
*
* @returns true If the command did not fail causing a GitCommandError to be thrown.
* @throws GitCommandError Thrown when the push back to upstream fails.
*/
pushToUpstream: () => {
git.run(['push', headRefUrl, `HEAD:${headRefName}`, forceWithLeaseFlag]);
return true;
},
/** Restores the state of the local repository to before the PR checkout occured. */
resetGitState: () => {
return git.checkout(previousBranchOrRevision, true);
}
};
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Builds the checkout pull request command. */
function builder$6(yargs) {
return addGithubTokenOption(yargs).positional('prNumber', { type: 'number', demandOption: true });
}
/** Handles the checkout pull request command. */
function handler$6({ prNumber, githubToken }) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const prCheckoutOptions = { allowIfMaintainerCannotModify: true, branchName: `pr-${prNumber}` };
yield checkOutPullRequestLocally(prNumber, githubToken, prCheckoutOptions);
});
}
/** yargs command module for checking out a PR */
const CheckoutCommandModule = {
handler: handler$6,
builder: builder$6,
command: 'checkout <pr-number>',
describe: 'Checkout a PR from the upstream repo',
};
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/* GraphQL schema for the response body for each pending PR. */
const PR_SCHEMA$1 = {
headRef: {
name: typedGraphqlify.types.string,
repository: {
url: typedGraphqlify.types.string,
nameWithOwner: typedGraphqlify.types.string,
},
},
baseRef: {
name: typedGraphqlify.types.string,
repository: {
url: typedGraphqlify.types.string,
nameWithOwner: typedGraphqlify.types.string,
},
},
updatedAt: typedGraphqlify.types.string,
number: typedGraphqlify.types.number,
mergeable: typedGraphqlify.types.string,
title: typedGraphqlify.types.string,
};
/** Convert raw Pull Request response from Github to usable Pull Request object. */
function processPr(pr) {
return Object.assign(Object.assign({}, pr), { updatedAt: (new Date(pr.updatedAt)).getTime() });
}
/** Name of a temporary local branch that is used for checking conflicts. **/
const tempWorkingBranch = '__NgDevRepoBaseAfterChange__';
/** Checks if the provided PR will cause new conflicts in other pending PRs. */
function discoverNewConflictsForPr(newPrNumber, updatedAfter, config = getConfig()) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const git = new GitClient();
// If there are any local changes in the current repository state, the
// check cannot run as it needs to move between branches.
if (git.hasLocalChanges()) {
error('Cannot run with local changes. Please make sure there are no local changes.');
process.exit(1);
}
/** The active github branch or revision before we performed any Git commands. */
const previousBranchOrRevision = git.getCurrentBranchOrRevision();
/* Progress bar to indicate progress. */
const progressBar = new cliProgress.Bar({ format: `[{bar}] ETA: {eta}s | {value}/{total}` });
/* PRs which were found to be conflicting. */
const conflicts = [];
info(`Requesting pending PRs from Github`);
/** List of PRs from github currently known as mergable. */
const allPendingPRs = (yield getPendingPrs(PR_SCHEMA$1, git)).map(processPr);
/** The PR which is being checked against. */
const requestedPr = allPendingPRs.find(pr => pr.number === newPrNumber);
if (requestedPr === undefined) {
error(`The request PR, #${newPrNumber} was not found as a pending PR on github, please confirm`);
error(`the PR number is correct and is an open PR`);
process.exit(1);
}
const pendingPrs = allPendingPRs.filter(pr => {
return (
// PRs being merged into the same target branch as the requested PR
pr.baseRef.name === requestedPr.baseRef.name &&
// PRs which either have not been processed or are determined as mergable by Github
pr.mergeable !== 'CONFLICTING' &&
// PRs updated after the provided date
pr.updatedAt >= updatedAfter);
});
info(`Retrieved ${allPendingPRs.length} total pending PRs`);
info(`Checking ${pendingPrs.length} PRs for conflicts after a merge of #${newPrNumber}`);
// Fetch and checkout the PR being checked.
exec(`git fetch ${requestedPr.headRef.repository.url} ${requestedPr.headRef.name}`);
exec(`git checkout -B ${tempWorkingBranch} FETCH_HEAD`);
// Rebase the PR against the PRs target branch.
exec(`git fetch ${requestedPr.baseRef.repository.url} ${requestedPr.baseRef.name}`);
const result = exec(`git rebase FETCH_HEAD`);
if (result.code) {
error('The requested PR currently has conflicts');
cleanUpGitState(previousBranchOrRevision);
process.exit(1);
}
// Start the progress bar
progressBar.start(pendingPrs.length, 0);
// Check each PR to determine if it can merge cleanly into the repo after the target PR.
for (const pr of pendingPrs) {
// Fetch and checkout the next PR
exec(`git fetch ${pr.headRef.repository.url} ${pr.headRef.name}`);
exec(`git checkout --detach FETCH_HEAD`);
// Check if the PR cleanly rebases into the repo after the target PR.
const result = exec(`git rebase ${tempWorkingBranch}`);
if (result.code !== 0) {
conflicts.push(pr);
}
// Abort any outstanding rebase attempt.
exec(`git rebase --abort`);
progressBar.increment(1);
}
// End the progress bar as all PRs have been processed.
progressBar.stop();
info();
info(`Result:`);
cleanUpGitState(previousBranchOrRevision);
// If no conflicts are found, exit successfully.
if (conflicts.length === 0) {
info(`No new conflicting PRs found after #${newPrNumber} merging`);
process.exit(0);
}
// Inform about discovered conflicts, exit with failure.
error.group(`${conflicts.length} PR(s) which conflict(s) after #${newPrNumber} merges:`);
for (const pr of conflicts) {
error(` - #${pr.number}: ${pr.title}`);
}
error.groupEnd();
process.exit(1);
});
}
/** Reset git back to the provided branch or revision. */
function cleanUpGitState(previousBranchOrRevision) {
// Ensure that any outstanding rebases are aborted.
exec(`git rebase --abort`);
// Ensure that any changes in the current repo state are cleared.
exec(`git reset --hard`);
// Checkout the original branch from before the run began.
exec(`git checkout ${previousBranchOrRevision}`);
// Delete the generated branch.
exec(`git branch -D ${tempWorkingBranch}`);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Builds the discover-new-conflicts pull request command. */
function buildDiscoverNewConflictsCommand(yargs) {
return yargs
.option('date', {
description: 'Only consider PRs updated since provided date',
defaultDescription: '30 days ago',
coerce: (date) => typeof date === 'number' ? date : Date.parse(date),
default: getThirtyDaysAgoDate(),
})
.positional('pr-number', { demandOption: true, type: 'number' });
}
/** Handles the discover-new-conflicts pull request command. */
function handleDiscoverNewConflictsCommand({ 'pr-number': prNumber, date }) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// If a provided date is not able to be parsed, yargs provides it as NaN.
if (isNaN(date)) {
error('Unable to parse the value provided via --date flag');
process.exit(1);
}
yield discoverNewConflictsForPr(prNumber, date);
});
}
/** Gets a date object 30 days ago from today. */
function getThirtyDaysAgoDate() {
const date = new Date();
// Set the hours, minutes and seconds to 0 to only consider date.
date.setHours(0, 0, 0, 0);
// Set the date to 30 days in the past.
date.setDate(date.getDate() - 30);
return date.getTime();
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Class that can be used to describe pull request failures. A failure
* is described through a human-readable message and a flag indicating
* whether it is non-fatal or not.
*/
var PullRequestFailure = /** @class */ (function () {
function PullRequestFailure(
/** Human-readable message for the failure */
message,
/** Whether the failure is non-fatal and can be forcibly ignored. */
nonFatal) {
if (nonFatal === void 0) { nonFatal = false; }
this.message = message;
this.nonFatal = nonFatal;
}
PullRequestFailure.claUnsigned = function () {
return new this("CLA has not been signed. Please make sure the PR author has signed the CLA.");
};
PullRequestFailure.failingCiJobs = function () {
return new this("Failing CI jobs.", true);
};
PullRequestFailure.pendingCiJobs = function () {
return new this("Pending CI jobs.", true);
};
PullRequestFailure.notMergeReady = function () {
return new this("Not marked as merge ready.");
};
PullRequestFailure.noTargetLabel = function () {
return new this("No target branch could be determined. Please ensure a target label is set.");
};
PullRequestFailure.mismatchingTargetBranch = function (allowedBranches) {
return new this("Pull request is set to wrong base branch. Please update the PR in the Github UI " +
("to one of the following branches: " + allowedBranches.join(', ') + "."));
};
PullRequestFailure.unsatisfiedBaseSha = function () {
return new this("Pull request has not been rebased recently and could be bypassing CI checks. " +
"Please rebase the PR.");
};
PullRequestFailure.mergeConflicts = function (failedBranches) {
return new this("Could not merge pull request into the following branches due to merge " +
("conflicts: " + failedBranches.join(', ') + ". Please rebase the PR or update the target label."));
};
PullRequestFailure.unknownMergeError = function () {
return new this("Unknown merge error occurred. Please see console output above for debugging.");
};
PullRequestFailure.unableToFixupCommitMessageSquashOnly = function () {
return new this("Unable to fixup commit message of pull request. Commit message can only be " +
"modified if the PR is merged using squash.");
};
PullRequestFailure.notFound = function () {
return new this("Pull request could not be found upstream.");
};
PullRequestFailure.insufficientPermissionsToMerge = function (message) {
if (message === void 0) { message = "Insufficient Github API permissions to merge pull request. Please ensure that " +
"your auth token has write access."; }
return new this(message);
};
return PullRequestFailure;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
function getCaretakerNotePromptMessage(pullRequest) {
return red('Pull request has a caretaker note applied. Please make sure you read it.') +
("\nQuick link to PR: " + pullRequest.url + "\nDo you want to proceed merging?");
}
function getTargettedBranchesConfirmationPromptMessage(pullRequest) {
var targetBranchListAsString = pullRequest.targetBranches.map(function (b) { return " - " + b + "\n"; }).join('');
return "Pull request #" + pullRequest.prNumber + " will merge into:\n" + targetBranchListAsString + "\nDo you want to proceed merging?";
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Loads and validates the specified pull request against the given configuration.
* If the pull requests fails, a pull request failure is returned.
*/
function loadAndValidatePullRequest(_a, prNumber, ignoreNonFatalFailures) {
var git = _a.git, config = _a.config;
if (ignoreNonFatalFailures === void 0) { ignoreNonFatalFailures = false; }
return tslib.__awaiter(this, void 0, void 0, function () {
var prData, labels, targetLabel, state, githubTargetBranch, requiredBaseSha, needsCommitMessageFixup, hasCaretakerNote, targetBranches, error_1;
return tslib.__generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, fetchPullRequestFromGithub(git, prNumber)];
case 1:
prData = _b.sent();
if (prData === null) {
return [2 /*return*/, PullRequestFailure.notFound()];
}
labels = prData.labels.map(function (l) { return l.name; });
if (!labels.some(function (name) { return matchesPattern(name, config.mergeReadyLabel); })) {
return [2 /*return*/, PullRequestFailure.notMergeReady()];
}
if (!labels.some(function (name) { return matchesPattern(name, config.claSignedLabel); })) {
return [2 /*return*/, PullRequestFailure.claUnsigned()];
}
targetLabel = getTargetLabelFromPullRequest(config, labels);
if (targetLabel === null) {
return [2 /*return*/, PullRequestFailure.noTargetLabel()];
}
return [4 /*yield*/, git.github.repos.getCombinedStatusForRef(tslib.__assign(tslib.__assign({}, git.remoteParams), { ref: prData.head.sha }))];
case 2:
state = (_b.sent()).data.state;
if (state === 'failure' && !ignoreNonFatalFailures) {
return [2 /*return*/, PullRequestFailure.failingCiJobs()];
}
if (state === 'pending' && !ignoreNonFatalFailures) {
return [2 /*return*/, PullRequestFailure.pendingCiJobs()];
}
githubTargetBranch = prData.base.ref;
requiredBaseSha = config.requiredBaseCommits && config.requiredBaseCommits[githubTargetBranch];
needsCommitMessageFixup = !!config.commitMessageFixupLabel &&
labels.some(function (name) { return matchesPattern(name, config.commitMessageFixupLabel); });
hasCaretakerNote = !!config.caretakerNoteLabel &&
labels.some(function (name) { return matchesPattern(name, config.caretakerNoteLabel); });
_b.label = 3;
case 3:
_b.trys.push([3, 5, , 6]);
return [4 /*yield*/, getBranchesFromTargetLabel(targetLabel, githubTargetBranch)];
case 4:
targetBranches = _b.sent();
return [3 /*break*/, 6];
case 5:
error_1 = _b.sent();
if (error_1 instanceof InvalidTargetBranchError || error_1 instanceof InvalidTargetLabelError) {
return [2 /*return*/, new PullRequestFailure(error_1.failureMessage)];
}
throw error_1;
case 6: return [2 /*return*/, {
url: prData.html_url,
prNumber: prNumber,
labels: labels,
requiredBaseSha: requiredBaseSha,
githubTargetBranch: githubTargetBranch,
needsCommitMessageFixup: needsCommitMessageFixup,
hasCaretakerNote: hasCaretakerNote,
targetBranches: targetBranches,
title: prData.title,
commitCount: prData.commits,
}];
}
});
});
}
/** Fetches a pull request from Github. Returns null if an error occurred. */
function fetchPullRequestFromGithub(git, prNumber) {
return tslib.__awaiter(this, void 0, void 0, function () {
var result, e_1;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, git.github.pulls.get(tslib.__assign(tslib.__assign({}, git.remoteParams), { pull_number: prNumber }))];
case 1:
result = _a.sent();
return [2 /*return*/, result.data];
case 2:
e_1 = _a.sent();
// If the pull request could not be found, we want to return `null` so
// that the error can be handled gracefully.
if (e_1.status === 404) {
return [2 /*return*/, null];
}
throw e_1;
case 3: return [2 /*return*/];
}
});
});
}
/** Whether the specified value resolves to a pull request. */
function isPullRequest(v) {
return v.targetBranches !== undefined;
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Name of a temporary branch that contains the head of a currently-processed PR. Note
* that a branch name should be used that most likely does not conflict with other local
* development branches.
*/
var TEMP_PR_HEAD_BRANCH = 'merge_pr_head';
/**
* Base class for merge strategies. A merge strategy accepts a pull request and
* merges it into the determined target branches.
*/
var MergeStrategy = /** @class */ (function () {
function MergeStrategy(git) {
this.git = git;
}
/**
* Prepares a merge of the given pull request. The strategy by default will
* fetch all target branches and the pull request into local temporary branches.
*/
MergeStrategy.prototype.prepare = function (pullRequest) {
return tslib.__awaiter(this, void 0, void 0, function () {
return tslib.__generator(this, function (_a) {
this.fetchTargetBranches(pullRequest.targetBranches, "pull/" + pullRequest.prNumber + "/head:" + TEMP_PR_HEAD_BRANCH);
return [2 /*return*/];
});
});
};
/** Cleans up the pull request merge. e.g. deleting temporary local branches. */
MergeStrategy.prototype.cleanup = function (pullRequest) {
return tslib.__awaiter(this, void 0, void 0, function () {
var _this = this;
return tslib.__generator(this, function (_a) {
// Delete all temporary target branches.
pullRequest.targetBranches.forEach(function (branchName) { return _this.git.run(['branch', '-D', _this.getLocalTargetBranchName(branchName)]); });
// Delete temporary branch for the pull request head.
this.git.run(['branch', '-D', TEMP_PR_HEAD_BRANCH]);
return [2 /*return*/];
});
});
};
/** Gets the revision range for all commits in the given pull request. */
MergeStrategy.prototype.getPullRequestRevisionRange = function (pullRequest) {
return this.getPullRequestBaseRevision(pullRequest) + ".." + TEMP_PR_HEAD_BRANCH;
};
/** Gets the base revision of a pull request. i.e. the commit the PR is based on. */
MergeStrategy.prototype.getPullRequestBaseRevision = function (pullRequest) {
return TEMP_PR_HEAD_BRANCH + "~" + pullRequest.commitCount;
};
/** Gets a deterministic local branch name for a given branch. */
MergeStrategy.prototype.getLocalTargetBranchName = function (targetBranch) {
return "merge_pr_target_" + targetBranch.replace(/\//g, '_');
};
/**
* Cherry-picks the given revision range into the specified target branches.
* @returns A list of branches for which the revisions could not be cherry-picked into.
*/
MergeStrategy.prototype.cherryPickIntoTargetBranches = function (revisionRange, targetBranches, options) {
var e_1, _a;
if (options === void 0) { options = {}; }
var cherryPickArgs = [revisionRange];
var failedBranches = [];
if (options.dryRun) {
// https://git-scm.com/docs/git-cherry-pick#Documentation/git-cherry-pick.txt---no-commit
// This causes `git cherry-pick` to not generate any commits. Instead, the changes are
// applied directly in the working tree. This allow us to easily discard the changes
// for dry-run purposes.
cherryPickArgs.push('--no-commit');
}
if (options.linkToOriginalCommits) {
// We add `-x` when cherry-picking as that will allow us to easily jump to original
// commits for cherry-picked commits. With that flag set, Git will automatically append
// the original SHA/revision to the commit message. e.g. `(cherry picked from commit <..>)`.
// https://git-scm.com/docs/git-cherry-pick#Documentation/git-cherry-pick.txt--x.
cherryPickArgs.push('-x');
}
try {
// Cherry-pick the refspec into all determined target branches.
for (var targetBranches_1 = tslib.__values(targetBranches), targetBranches_1_1 = targetBranches_1.next(); !targetBranches_1_1.done; targetBranches_1_1 = targetBranches_1.next()) {
var branchName = targetBranches_1_1.value;
var localTargetBranch = this.getLocalTargetBranchName(branchName);
// Checkout the local target branch.
this.git.run(['checkout', localTargetBranch]);
// Cherry-pick the refspec into the target branch.
if (this.git.runGraceful(tslib.__spread(['cherry-pick'], cherryPickArgs)).status !== 0) {
// Abort the failed cherry-pick. We do this because Git persists the failed
// cherry-pick state globally in the repository. This could prevent future
// pull request merges as a Git thinks a cherry-pick is still in progress.
this.git.runGraceful(['cherry-pick', '--abort']);
failedBranches.push(branchName);
}
// If we run with dry run mode, we reset the local target branch so that all dry-run
// cherry-pick changes are discard. Changes are applied to the working tree and index.
if (options.dryRun) {
this.git.run(['reset', '--hard', 'HEAD']);
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (targetBranches_1_1 && !targetBranches_1_1.done && (_a = targetBranches_1.return)) _a.call(targetBranches_1);
}
finally { if (e_1) throw e_1.error; }
}
return failedBranches;
};
/**
* Fetches the given target branches. Also accepts a list of additional refspecs that
* should be fetched. This is helpful as multiple slow fetches could be avoided.
*/
MergeStrategy.prototype.fetchTargetBranches = function (names) {
var _this = this;
var extraRefspecs = [];
for (var _i = 1; _i < arguments.length; _i++) {
extraRefspecs[_i - 1] = arguments[_i];
}
var fetchRefspecs = names.map(function (targetBranch) {
var localTargetBranch = _this.getLocalTargetBranchName(targetBranch);
return "refs/heads/" + targetBranch + ":" + localTargetBranch;
});
// Fetch all target branches with a single command. We don't want to fetch them
// individually as that could cause an unnecessary slow-down.
this.git.run(tslib.__spread(['fetch', '-q', '-f', this.git.repoGitUrl], fetchRefspecs, extraRefspecs));
};
/** Pushes the given target branches upstream. */
MergeStrategy.prototype.pushTargetBranchesUpstream = function (names) {
var _this = this;
var pushRefspecs = names.map(function (targetBranch) {
var localTargetBranch = _this.getLocalTargetBranchName(targetBranch);
return localTargetBranch + ":refs/heads/" + targetBranch;
});
// Push all target branches with a single command if we don't run in dry-run mode.
// We don't want to push them individually as that could cause an unnecessary slow-down.
this.git.run(tslib.__spread(['push', this.git.repoGitUrl], pushRefspecs));
};
return MergeStrategy;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Separator between commit message header and body. */
var COMMIT_HEADER_SEPARATOR = '\n\n';
/**
* Merge strategy that primarily leverages the Github API. The strategy merges a given
* pull request into a target branch using the API. This ensures that Github displays
* the pull request as merged. The merged commits are then cherry-picked into the remaining
* target branches using the local Git instance. The benefit is that the Github merged state
* is properly set, but a notable downside is that PRs cannot use fixup or squash commits.
*/
var GithubApiMergeStrategy = /** @class */ (function (_super) {
tslib.__extends(GithubApiMergeStrategy, _super);
function GithubApiMergeStrategy(git, _config) {
var _this = _super.call(this, git) || this;
_this._config = _config;
return _this;
}
GithubApiMergeStrategy.prototype.merge = function (pullRequest) {
return tslib.__awaiter(this, void 0, void 0, function () {
var githubTargetBranch, prNumber, targetBranches, requiredBaseSha, needsCommitMessageFixup, method, cherryPickTargetBranches, failure, mergeOptions, mergeStatusCode, targetSha, result, e_1, targetCommitsCount, failedBranches;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0:
githubTargetBranch = pullRequest.githubTargetBranch, prNumber = pullRequest.prNumber, targetBranches = pullRequest.targetBranches, requiredBaseSha = pullRequest.requiredBaseSha, needsCommitMessageFixup = pullRequest.needsCommitMessageFixup;
// If the pull request does not have its base branch set to any determined target
// branch, we cannot merge using the API.
if (targetBranches.every(function (t) { return t !== githubTargetBranch; })) {
return [2 /*return*/, PullRequestFailure.mismatchingTargetBranch(targetBranches)];
}
// In cases where a required base commit is specified for this pull request, check if
// the pull request contains the given commit. If not, return a pull request failure.
// This check is useful for enforcing that PRs are rebased on top of a given commit.
// e.g. a commit that changes the code ownership validation. PRs which are not rebased
// could bypass new codeowner ship rules.
if (requiredBaseSha && !this.git.hasCommit(TEMP_PR_HEAD_BRANCH, requiredBaseSha)) {
return [2 /*return*/, PullRequestFailure.unsatisfiedBaseSha()];
}
method = this._getMergeActionFromPullRequest(pullRequest);
cherryPickTargetBranches = targetBranches.filter(function (b) { return b !== githubTargetBranch; });
return [4 /*yield*/, this._checkMergability(pullRequest, cherryPickTargetBranches)];
case 1:
failure = _a.sent();
// If the PR could not be cherry-picked into all target branches locally, we know it can't
// be done through the Github API either. We abort merging and pass-through the failure.
if (failure !== null) {
return [2 /*return*/, failure];
}
mergeOptions = tslib.__assign({ pull_number: prNumber, merge_method: method }, this.git.remoteParams);
if (!needsCommitMessageFixup) return [3 /*break*/, 3];
// Commit message fixup does not work with other merge methods as the Github API only
// allows commit message modifications for squash merging.
if (method !== 'squash') {
return [2 /*return*/, PullRequestFailure.unableToFixupCommitMessageSquashOnly()];
}
return [4 /*yield*/, this._promptCommitMessageEdit(pullRequest, mergeOptions)];
case 2:
_a.sent();
_a.label = 3;
case 3:
_a.trys.push([3, 5, , 6]);
return [4 /*yield*/, this.git.github.pulls.merge(mergeOptions)];
case 4:
result = _a.sent();
mergeStatusCode = result.status;
targetSha = result.data.sha;
return [3 /*break*/, 6];
case 5:
e_1 = _a.sent();
// Note: Github usually returns `404` as status code if the API request uses a
// token with insufficient permissions. Github does this because it doesn't want
// to leak whether a repository exists or not. In our case we expect a certain
// repository to exist, so we always treat this as a permission failure.
if (e_1.status === 403 || e_1.status === 404) {
return [2 /*return*/, PullRequestFailure.insufficientPermissionsToMerge()];
}
throw e_1;
case 6:
// https://developer.github.com/v3/pulls/#response-if-merge-cannot-be-performed
// Pull request cannot be merged due to merge conflicts.
if (mergeStatusCode === 405) {
return [2 /*return*/, PullRequestFailure.mergeConflicts([githubTargetBranch])];
}
if (mergeStatusCode !== 200) {
return [2 /*return*/, PullRequestFailure.unknownMergeError()];
}
// If the PR does not need to be merged into any other target branches,
// we exit here as we already completed the merge.
if (!cherryPickTargetBranches.length) {
return [2 /*return*/, null];
}
// Refresh the target branch the PR has been merged into through the API. We need
// to re-fetch as otherwise we cannot cherry-pick the new commits into the remaining
// target branches.
this.fetchTargetBranches([githubTargetBranch]);
targetCommitsCount = method === 'squash' ? 1 : pullRequest.commitCount;
return [4 /*yield*/, this.cherryPickIntoTargetBranches(targetSha + "~" + targetCommitsCount + ".." + targetSha, cherryPickTargetBranches, {
// Commits that have been created by the Github API do not necessarily contain
// a reference to the source pull request (unless the squash strategy is used).
// To ensure that original commits can be found when a commit is viewed in a
// target branch, we add a link to the original commits when cherry-picking.
linkToOriginalCommits: true,
})];
case 7:
failedBranches = _a.sent();
// We already checked whether the PR can be cherry-picked into the target branches,
// but in case the cherry-pick somehow fails, we still handle the conflicts here. The
// commits created through the Github API could be different (i.e. through squash).
if (failedBranches.length) {
return [2 /*return*/, PullRequestFailure.mergeConflicts(failedBranches)];
}
this.pushTargetBranchesUpstream(cherryPickTargetBranches);
return [2 /*return*/, null];
}
});
});
};
/**
* Prompts the user for the commit message changes. Unlike as in the autosquash merge
* strategy, we cannot start an interactive rebase because we merge using the Github API.
* The Github API only allows modifications to PR title and body for squash merges.
*/
GithubApiMergeStrategy.prototype._promptCommitMessageEdit = function (pullRequest, mergeOptions) {
return tslib.__awaiter(this, void 0, void 0, function () {
var commitMessage, result, _a, newTitle, newMessage;
return tslib.__generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this._getDefaultSquashCommitMessage(pullRequest)];
case 1:
commitMessage = _b.sent();
return [4 /*yield*/, inquirer.prompt({
type: 'editor',
name: 'result',
message: 'Please update the commit message',
default: commitMessage,
})];
case 2:
result = (_b.sent()).result;
_a = tslib.__read(result.split(COMMIT_HEADER_SEPARATOR)), newTitle = _a[0], newMessage = _a.slice(1);
// Update the merge options so that the changes are reflected in there.
mergeOptions.commit_title = newTitle + " (#" + pullRequest.prNumber + ")";
mergeOptions.commit_message = newMessage.join(COMMIT_HEADER_SEPARATOR);
return [2 /*return*/];
}
});
});
};
/**
* Gets a commit message for the given pull request. Github by default concatenates
* multiple commit messages if a PR is merged in squash mode. We try to replicate this
* behavior here so that we have a default commit message that can be fixed up.
*/
GithubApiMergeStrategy.prototype._getDefaultSquashCommitMessage = function (pullRequest) {
return tslib.__awaiter(this, void 0, void 0, function () {
var commits, messageBase, joinedMessages;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this._getPullRequestCommitMessages(pullRequest)];
case 1:
commits = (_a.sent())
.map(function (message) { return ({ message: message, parsed: parseCommitMessage(message) }); });
messageBase = "" + pullRequest.title + COMMIT_HEADER_SEPARATOR;
if (commits.length <= 1) {
return [2 /*return*/, "" + messageBase + commits[0].parsed.body];
}
joinedMessages = commits.map(function (c) { return "* " + c.message; }).join(COMMIT_HEADER_SEPARATOR);
return [2 /*return*/, "" + messageBase + joinedMessages];
}
});
});
};
/** Gets all commit messages of commits in the pull request. */
GithubApiMergeStrategy.prototype._getPullRequestCommitMessages = function (_a) {
var prNumber = _a.prNumber;
return tslib.__awaiter(this, void 0, void 0, function () {
var request, allCommits;
return tslib.__generator(this, function (_b) {
switch (_b.label) {
case 0:
request = this.git.github.pulls.listCommits.endpoint.merge(tslib.__assign(tslib.__assign({}, this.git.remoteParams), { pull_number: prNumber }));
return [4 /*yield*/, this.git.github.paginate(request)];
case 1:
allCommits = _b.sent();
return [2 /*return*/, allCommits.map(function (_a) {
var commit = _a.commit;
return commit.message;
})];
}
});
});
};
/**
* Checks if given pull request could be merged into its target branches.
* @returns A pull request failure if it the PR could not be merged.
*/
GithubApiMergeStrategy.prototype._checkMergability = function (pullRequest, targetBranches) {
return tslib.__awaiter(this, void 0, void 0, function () {
var revisionRange, failedBranches;
return tslib.__generator(this, function (_a) {
revisionRange = this.getPullRequestRevisionRange(pullRequest);
failedBranches = this.cherryPickIntoTargetBranches(revisionRange, targetBranches, { dryRun: true });
if (failedBranches.length) {
return [2 /*return*/, PullRequestFailure.mergeConflicts(failedBranches)];
}
return [2 /*return*/, null];
});
});
};
/** Determines the merge action from the given pull request. */
GithubApiMergeStrategy.prototype._getMergeActionFromPullRequest = function (_a) {
var labels = _a.labels;
if (this._config.labels) {
var matchingLabel = this._config.labels.find(function (_a) {
var pattern = _a.pattern;
return labels.some(function (l) { return matchesPattern(l, pattern); });
});
if (matchingLabel !== undefined) {
return matchingLabel.method;
}
}
return this._config.default;
};
return GithubApiMergeStrategy;
}(MergeStrategy));
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Path to the commit message filter script. Git expects this paths to use forward slashes. */
var MSG_FILTER_SCRIPT = path.join(__dirname, './commit-message-filter.js').replace(/\\/g, '/');
/**
* Merge strategy that does not use the Github API for merging. Instead, it fetches
* all target branches and the PR locally. The PR is then cherry-picked with autosquash
* enabled into the target branches. The benefit is the support for fixup and squash commits.
* A notable downside though is that Github does not show the PR as `Merged` due to non
* fast-forward merges
*/
var AutosquashMergeStrategy = /** @class */ (function (_super) {
tslib.__extends(AutosquashMergeStrategy, _super);
function AutosquashMergeStrategy() {
return _super !== null && _super.apply(this, arguments) || this;
}
/**
* Merges the specified pull request into the target branches and pushes the target
* branches upstream. This method requires the temporary target branches to be fetched
* already as we don't want to fetch the target branches per pull request merge. This
* would causes unnecessary multiple fetch requests when multiple PRs are merged.
* @throws {GitCommandError} An unknown Git command error occurred that is not
* specific to the pull request merge.
* @returns A pull request failure or null in case of success.
*/
AutosquashMergeStrategy.prototype.merge = function (pullRequest) {
return tslib.__awaiter(this, void 0, void 0, function () {
var prNumber, targetBranches, requiredBaseSha, needsCommitMessageFixup, githubTargetBranch, baseSha, revisionRange, branchOrRevisionBeforeRebase, rebaseEnv, failedBranches, localBranch, sha;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0:
prNumber = pullRequest.prNumber, targetBranches = pullRequest.targetBranches, requiredBaseSha = pullRequest.requiredBaseSha, needsCommitMessageFixup = pullRequest.needsCommitMessageFixup, githubTargetBranch = pullRequest.githubTargetBranch;
// In case a required base is specified for this pull request, check if the pull
// request contains the given commit. If not, return a pull request failure. This
// check is useful for enforcing that PRs are rebased on top of a given commit. e.g.
// a commit that changes the codeowner ship validation. PRs which are not rebased
// could bypass new codeowner ship rules.
if (requiredBaseSha && !this.git.hasCommit(TEMP_PR_HEAD_BRANCH, requiredBaseSha)) {
return [2 /*return*/, PullRequestFailure.unsatisfiedBaseSha()];
}
baseSha = this.git.run(['rev-parse', this.getPullRequestBaseRevision(pullRequest)]).stdout.trim();
revisionRange = baseSha + ".." + TEMP_PR_HEAD_BRANCH;
branchOrRevisionBeforeRebase = this.git.getCurrentBranchOrRevision();
rebaseEnv = needsCommitMessageFixup ? undefined : tslib.__assign(tslib.__assign({}, process.env), { GIT_SEQUENCE_EDITOR: 'true' });
this.git.run(['rebase', '--interactive', '--autosquash', baseSha, TEMP_PR_HEAD_BRANCH], { stdio: 'inherit', env: rebaseEnv });
// Update pull requests commits to reference the pull request. This matches what
// Github does when pull requests are merged through the Web UI. The motivation is
// that it should be easy to determine which pull request contained a given commit.
// Note: The filter-branch command relies on the working tree, so we want to make sure
// that we are on the initial branch or revision where the merge script has been invoked.
this.git.run(['checkout', '-f', branchOrRevisionBeforeRebase]);
this.git.run(['filter-branch', '-f', '--msg-filter', MSG_FILTER_SCRIPT + " " + prNumber, revisionRange]);
failedBranches = this.cherryPickIntoTargetBranches(revisionRange, targetBranches);
if (failedBranches.length) {
return [2 /*return*/, PullRequestFailure.mergeConflicts(failedBranches)];
}
this.pushTargetBranchesUpstream(targetBranches);
if (!(githubTargetBranch !== 'master')) return [3 /*break*/, 3];
localBranch = this.getLocalTargetBranchName(githubTargetBranch);
sha = this.git.run(['rev-parse', localBranch]).stdout.trim();
// Create a comment saying the PR was closed by the SHA.
return [4 /*yield*/, this.git.github.issues.createComment(tslib.__assign(tslib.__assign({}, this.git.remoteParams), { issue_number: pullRequest.prNumber, body: "Closed by commit " + sha }))];
case 1:
// Create a comment saying the PR was closed by the SHA.
_a.sent();
// Actually close the PR.
return [4 /*yield*/, this.git.github.pulls.update(tslib.__assign(tslib.__assign({}, this.git.remoteParams), { pull_number: pullRequest.prNumber, state: 'closed' }))];
case 2:
// Actually close the PR.
_a.sent();
_a.label = 3;
case 3: return [2 /*return*/, null];
}
});
});
};
return AutosquashMergeStrategy;
}(MergeStrategy));
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Class that accepts a merge script configuration and Github token. It provides
* a programmatic interface for merging multiple pull requests based on their
* labels that have been resolved through the merge script configuration.
*/
var PullRequestMergeTask = /** @class */ (function () {
function PullRequestMergeTask(config, git) {
this.config = config;
this.git = git;
}
/**
* Merges the given pull request and pushes it upstream.
* @param prNumber Pull request that should be merged.
* @param force Whether non-critical pull request failures should be ignored.
*/
PullRequestMergeTask.prototype.merge = function (prNumber, force) {
if (force === void 0) { force = false; }
return tslib.__awaiter(this, void 0, void 0, function () {
var hasOauthScopes, pullRequest, _a, strategy, previousBranchOrRevision, failure, e_1;
var _this = this;
return tslib.__generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.git.hasOauthScopes(function (scopes, missing) {
if (!scopes.includes('repo')) {
if (_this.config.remote.private) {
missing.push('repo');
}
else if (!scopes.includes('public_repo')) {
missing.push('public_repo');
}
}
})];
case 1:
hasOauthScopes = _b.sent();
if (hasOauthScopes !== true) {
return [2 /*return*/, {
status: 5 /* GITHUB_ERROR */,
failure: PullRequestFailure.insufficientPermissionsToMerge(hasOauthScopes.error)
}];
}
if (this.git.hasUncommittedChanges()) {
return [2 /*return*/, { status: 1 /* DIRTY_WORKING_DIR */ }];
}
return [4 /*yield*/, loadAndValidatePullRequest(this, prNumber, force)];
case 2:
pullRequest = _b.sent();
if (!isPullRequest(pullRequest)) {
return [2 /*return*/, { status: 3 /* FAILED */, failure: pullRequest }];
}
return [4 /*yield*/, promptConfirm(getTargettedBranchesConfirmationPromptMessage(pullRequest))];
case 3:
if (!(_b.sent())) {
return [2 /*return*/, { status: 4 /* USER_ABORTED */ }];
}
_a = pullRequest.hasCaretakerNote;
if (!_a) return [3 /*break*/, 5];
return [4 /*yield*/, promptConfirm(getCaretakerNotePromptMessage(pullRequest))];
case 4:
_a = !(_b.sent());
_b.label = 5;
case 5:
// If the pull request has a caretaker note applied, raise awareness by prompting
// the caretaker. The caretaker can then decide to proceed or abort the merge.
if (_a) {
return [2 /*return*/, { status: 4 /* USER_ABORTED */ }];
}
strategy = this.config.githubApiMerge ?
new GithubApiMergeStrategy(this.git, this.config.githubApiMerge) :
new AutosquashMergeStrategy(this.git);
previousBranchOrRevision = null;
_b.label = 6;
case 6:
_b.trys.push([6, 10, 11, 12]);
previousBranchOrRevision = this.git.getCurrentBranchOrRevision();
// Run preparations for the merge (e.g. fetching branches).
return [4 /*yield*/, strategy.prepare(pullRequest)];
case 7:
// Run preparations for the merge (e.g. fetching branches).
_b.sent();
return [4 /*yield*/, strategy.merge(pullRequest)];
case 8:
failure = _b.sent();
if (failure !== null) {
return [2 /*return*/, { status: 3 /* FAILED */, failure: failure }];
}
// Switch back to the previous branch. We need to do this before deleting the temporary
// branches because we cannot delete branches which are currently checked out.
this.git.run(['checkout', '-f', previousBranchOrRevision]);
return [4 /*yield*/, strategy.cleanup(pullRequest)];
case 9:
_b.sent();
// Return a successful merge status.
return [2 /*return*/, { status: 2 /* SUCCESS */ }];
case 10:
e_1 = _b.sent();
// Catch all git command errors and return a merge result w/ git error status code.
// Other unknown errors which aren't caused by a git command are re-thrown.
if (e_1 instanceof GitCommandError) {
return [2 /*return*/, { status: 0 /* UNKNOWN_GIT_ERROR */ }];
}
throw e_1;
case 11:
// Always try to restore the branch if possible. We don't want to leave
// the repository in a different state than before.
if (previousBranchOrRevision !== null) {
this.git.runGraceful(['checkout', '-f', previousBranchOrRevision]);
}
return [7 /*endfinally*/];
case 12: return [2 /*return*/];
}
});
});
};
return PullRequestMergeTask;
}());
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Merges a given pull request based on labels configured in the given merge configuration.
* Pull requests can be merged with different strategies such as the Github API merge
* strategy, or the local autosquash strategy. Either strategy has benefits and downsides.
* More information on these strategies can be found in their dedicated strategy classes.
*
* See {@link GithubApiMergeStrategy} and {@link AutosquashMergeStrategy}
*
* @param prNumber Number of the pull request that should be merged.
* @param githubToken Github token used for merging (i.e. fetching and pushing)
* @param projectRoot Path to the local Git project that is used for merging.
* @param config Configuration for merging pull requests.
*/
function mergePullRequest(prNumber, githubToken, projectRoot, config) {
if (projectRoot === void 0) { projectRoot = getRepoBaseDir(); }
return tslib.__awaiter(this, void 0, void 0, function () {
/** Performs the merge and returns whether it was successful or not. */
function performMerge(ignoreFatalErrors) {
return tslib.__awaiter(this, void 0, void 0, function () {
var result, e_1;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 3, , 4]);
return [4 /*yield*/, api.merge(prNumber, ignoreFatalErrors)];
case 1:
result = _a.sent();
return [4 /*yield*/, handleMergeResult(result, ignoreFatalErrors)];
case 2: return [2 /*return*/, _a.sent()];
case 3:
e_1 = _a.sent();
// Catch errors to the Github API for invalid requests. We want to
// exit the script with a better explanation of the error.
if (e_1 instanceof GithubApiRequestError && e_1.status === 401) {
error(red('Github API request failed. ' + e_1.message));
error(yellow('Please ensure that your provided token is valid.'));
error(yellow("You can generate a token here: " + GITHUB_TOKEN_GENERATE_URL));
process.exit(1);
}
throw e_1;
case 4: return [2 /*return*/];
}
});
});
}
/**
* Prompts whether the specified pull request should be forcibly merged. If so, merges
* the specified pull request forcibly (ignoring non-critical failures).
* @returns Whether the specified pull request has been forcibly merged.
*/
function promptAndPerformForceMerge() {
return tslib.__awaiter(this, void 0, void 0, function () {
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, promptConfirm('Do you want to forcibly proceed with merging?')];
case 1:
if (_a.sent()) {
// Perform the merge in force mode. This means that non-fatal failures
// are ignored and the merge continues.
return [2 /*return*/, performMerge(true)];
}
return [2 /*return*/, false];
}
});
});
}
/**
* Handles the merge result by printing console messages, exiting the process
* based on the result, or by restarting the merge if force mode has been enabled.
* @returns Whether the merge completed without errors or not.
*/
function handleMergeResult(result, disableForceMergePrompt) {
if (disableForceMergePrompt === void 0) { disableForceMergePrompt = false; }
return tslib.__awaiter(this, void 0, void 0, function () {
var failure, status, canForciblyMerge, _a;
return tslib.__generator(this, function (_b) {
switch (_b.label) {
case 0:
failure = result.failure, status = result.status;
canForciblyMerge = failure && failure.nonFatal;
_a = status;
switch (_a) {
case 2 /* SUCCESS */: return [3 /*break*/, 1];
case 1 /* DIRTY_WORKING_DIR */: return [3 /*break*/, 2];
case 0 /* UNKNOWN_GIT_ERROR */: return [3 /*break*/, 3];
case 5 /* GITHUB_ERROR */: return [3 /*break*/, 4];
case 4 /* USER_ABORTED */: return [3 /*break*/, 5];
case 3 /* FAILED */: return [3 /*break*/, 6];
}
return [3 /*break*/, 9];
case 1:
info(green("Successfully merged the pull request: #" + prNumber));
return [2 /*return*/, true];
case 2:
error(red("Local working repository not clean. Please make sure there are " +
"no uncommitted changes."));
return [2 /*return*/, false];
case 3:
error(red('An unknown Git error has been thrown. Please check the output ' +
'above for details.'));
return [2 /*return*/, false];
case 4:
error(red('An error related to interacting with Github has been discovered.'));
error(failure.message);
return [2 /*return*/, false];
case 5:
info("Merge of pull request has been aborted manually: #" + prNumber);
return [2 /*return*/, true];
case 6:
error(yellow("Could not merge the specified pull request."));
error(red(failure.message));
if (!(canForciblyMerge && !disableForceMergePrompt)) return [3 /*break*/, 8];
info();
info(yellow('The pull request above failed due to non-critical errors.'));
info(yellow("This error can be forcibly ignored if desired."));
return [4 /*yield*/, promptAndPerformForceMerge()];
case 7: return [2 /*return*/, _b.sent()];
case 8: return [2 /*return*/, false];
case 9: throw Error("Unexpected merge result: " + status);
}
});
});
}
var api;
return tslib.__generator(this, function (_a) {
switch (_a.label) {
case 0:
// Set the environment variable to skip all git commit hooks triggered by husky. We are unable to
// rely on `--no-verify` as some hooks still run, notably the `prepare-commit-msg` hook.
process.env['HUSKY'] = '0';
return [4 /*yield*/, createPullRequestMergeTask(githubToken, projectRoot, config)];
case 1:
api = _a.sent();
return [4 /*yield*/, performMerge(false)];
case 2:
// Perform the merge. Force mode can be activated through a command line flag.
// Alternatively, if the merge fails with non-fatal failures, the script
// will prompt whether it should rerun in force mode.
if (!(_a.sent())) {
process.exit(1);
}
return [2 /*return*/];
}
});
});
}
/**
* Creates the pull request merge task from the given Github token, project root
* and optional explicit configuration. An explicit configuration can be specified
* when the merge script is used outside of a `ng-dev` configured repository.
*/
function createPullRequestMergeTask(githubToken, projectRoot, explicitConfig) {
return tslib.__awaiter(this, void 0, void 0, function () {
var git_1, devInfraConfig, git, _a, config, errors;
return tslib.__generator(this, function (_b) {
switch (_b.label) {
case 0:
if (explicitConfig !== undefined) {
git_1 = new GitClient(githubToken, { github: explicitConfig.remote }, projectRoot);
return [2 /*return*/, new PullRequestMergeTask(explicitConfig, git_1)];
}
devInfraConfig = getConfig();
git = new GitClient(githubToken, devInfraConfig, projectRoot);
return [4 /*yield*/, loadAndValidateConfig(devInfraConfig, git.github)];
case 1:
_a = _b.sent(), config = _a.config, errors = _a.errors;
if (errors) {
error(red('Invalid merge configuration:'));
errors.forEach(function (desc) { return error(yellow(" - " + desc)); });
process.exit(1);
}
// Set the remote so that the merge tool has access to information about
// the remote it intends to merge to.
config.remote = devInfraConfig.github;
// We can cast this to a merge config with remote because we always set the
// remote above.
return [2 /*return*/, new PullRequestMergeTask(config, git)];
}
});
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Builds the options for the merge command. */
function buildMergeCommand(yargs) {
return addGithubTokenOption(yargs).help().strict().positional('pr-number', { demandOption: true, type: 'number' });
}
/** Handles the merge command. i.e. performs the merge of a specified pull request. */
function handleMergeCommand(_a) {
var pr = _a["pr-number"], githubToken = _a.githubToken;
return tslib.__awaiter(this, void 0, void 0, function () {
return tslib.__generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, mergePullRequest(pr, githubToken)];
case 1:
_b.sent();
return [2 /*return*/];
}
});
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/* GraphQL schema for the response body for each pending PR. */
const PR_SCHEMA$2 = {
state: typedGraphqlify.types.string,
maintainerCanModify: typedGraphqlify.types.boolean,
viewerDidAuthor: typedGraphqlify.types.boolean,
headRefOid: typedGraphqlify.types.string,
headRef: {
name: typedGraphqlify.types.string,
repository: {
url: typedGraphqlify.types.string,
nameWithOwner: typedGraphqlify.types.string,
},
},
baseRef: {
name: typedGraphqlify.types.string,
repository: {
url: typedGraphqlify.types.string,
nameWithOwner: typedGraphqlify.types.string,
},
},
};
/**
* Rebase the provided PR onto its merge target branch, and push up the resulting
* commit to the PRs repository.
*/
function rebasePr(prNumber, githubToken, config = getConfig()) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const git = new GitClient(githubToken);
// TODO: Rely on a common assertNoLocalChanges function.
if (git.hasLocalChanges()) {
error('Cannot perform rebase of PR with local changes.');
process.exit(1);
}
/**
* The branch or revision originally checked out before this method performed
* any Git operations that may change the working branch.
*/
const previousBranchOrRevision = git.getCurrentBranchOrRevision();
/* Get the PR information from Github. */
const pr = yield getPr(PR_SCHEMA$2, prNumber, git);
const headRefName = pr.headRef.name;
const baseRefName = pr.baseRef.name;
const fullHeadRef = `${pr.headRef.repository.nameWithOwner}:${headRefName}`;
const fullBaseRef = `${pr.baseRef.repository.nameWithOwner}:${baseRefName}`;
const headRefUrl = addTokenToGitHttpsUrl(pr.headRef.repository.url, githubToken);
const baseRefUrl = addTokenToGitHttpsUrl(pr.baseRef.repository.url, githubToken);
// Note: Since we use a detached head for rebasing the PR and therefore do not have
// remote-tracking branches configured, we need to set our expected ref and SHA. This
// allows us to use `--force-with-lease` for the detached head while ensuring that we
// never accidentally override upstream changes that have been pushed in the meanwhile.
// See:
// https://git-scm.com/docs/git-push#Documentation/git-push.txt---force-with-leaseltrefnamegtltexpectgt
const forceWithLeaseFlag = `--force-with-lease=${headRefName}:${pr.headRefOid}`;
// If the PR does not allow maintainers to modify it, exit as the rebased PR cannot
// be pushed up.
if (!pr.maintainerCanModify && !pr.viewerDidAuthor) {
error(`Cannot rebase as you did not author the PR and the PR does not allow maintainers` +
`to modify the PR`);
process.exit(1);
}
try {
// Fetch the branch at the commit of the PR, and check it out in a detached state.
info(`Checking out PR #${prNumber} from ${fullHeadRef}`);
git.run(['fetch', '-q', headRefUrl, headRefName]);
git.run(['checkout', '-q', '--detach', 'FETCH_HEAD']);
// Fetch the PRs target branch and rebase onto it.
info(`Fetching ${fullBaseRef} to rebase #${prNumber} on`);
git.run(['fetch', '-q', baseRefUrl, baseRefName]);
const commonAncestorSha = git.run(['merge-base', 'HEAD', 'FETCH_HEAD']).stdout.trim();
const commits = parseCommitMessagesForRange(`${commonAncestorSha}..HEAD`);
let squashFixups = commits.filter((commit) => commit.isFixup).length === 0 ?
false :
yield promptConfirm(`PR #${prNumber} contains fixup commits, would you like to squash them during rebase?`, true);
info(`Attempting to rebase PR #${prNumber} on ${fullBaseRef}`);
/**
* Tuple of flags to be added to the rebase command and env object to run the git command.
*
* Additional flags to perform the autosquashing are added when the user confirm squashing of
* fixup commits should occur.
*/
const [flags, env] = squashFixups ?
[['--interactive', '--autosquash'], Object.assign(Object.assign({}, process.env), { GIT_SEQUENCE_EDITOR: 'true' })] :
[[], undefined];
const rebaseResult = git.runGraceful(['rebase', ...flags, 'FETCH_HEAD'], { env: env });
// If the rebase was clean, push the rebased PR up to the authors fork.
if (rebaseResult.status === 0) {
info(`Rebase was able to complete automatically without conflicts`);
info(`Pushing rebased PR #${prNumber} to ${fullHeadRef}`);
git.run(['push', headRefUrl, `HEAD:${headRefName}`, forceWithLeaseFlag]);
info(`Rebased and updated PR #${prNumber}`);
git.checkout(previousBranchOrRevision, true);
process.exit(0);
}
}
catch (err) {
error(err.message);
git.checkout(previousBranchOrRevision, true);
process.exit(1);
}
// On automatic rebase failures, prompt to choose if the rebase should be continued
// manually or aborted now.
info(`Rebase was unable to complete automatically without conflicts.`);
// If the command is run in a non-CI environment, prompt to format the files immediately.
const continueRebase = process.env['CI'] === undefined && (yield promptConfirm('Manually complete rebase?'));
if (continueRebase) {
info(`After manually completing rebase, run the following command to update PR #${prNumber}:`);
info(` $ git push ${pr.headRef.repository.url} HEAD:${headRefName} ${forceWithLeaseFlag}`);
info();
info(`To abort the rebase and return to the state of the repository before this command`);
info(`run the following command:`);
info(` $ git rebase --abort && git reset --hard && git checkout ${previousBranchOrRevision}`);
process.exit(1);
}
else {
info(`Cleaning up git state, and restoring previous state.`);
}
git.checkout(previousBranchOrRevision, true);
process.exit(1);
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Builds the rebase pull request command. */
function buildRebaseCommand(yargs) {
return addGithubTokenOption(yargs).positional('prNumber', { type: 'number', demandOption: true });
}
/** Handles the rebase pull request command. */
function handleRebaseCommand({ prNumber, githubToken }) {
return tslib.__awaiter(this, void 0, void 0, function* () {
yield rebasePr(prNumber, githubToken);
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Build the parser for pull request commands. */
function buildPrParser(localYargs) {
return localYargs.help()
.strict()
.demandCommand()
.command('merge <pr-number>', 'Merge pull requests', buildMergeCommand, handleMergeCommand)
.command('discover-new-conflicts <pr-number>', 'Check if a pending PR causes new conflicts for other pending PRs', buildDiscoverNewConflictsCommand, handleDiscoverNewConflictsCommand)
.command('rebase <pr-number>', 'Rebase a pending PR and push the rebased commits back to Github', buildRebaseCommand, handleRebaseCommand)
.command(CheckoutCommandModule)
.command(CheckTargetBranchesModule);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Create logs for each pullapprove group result. */
function logGroup(group, conditionsToPrint, printMessageFn = info) {
const conditions = group[conditionsToPrint];
printMessageFn.group(`[${group.groupName}]`);
if (conditions.length) {
conditions.forEach(groupCondition => {
const count = groupCondition.matchedFiles.size;
if (conditionsToPrint === 'unverifiableConditions') {
printMessageFn(`${groupCondition.expression}`);
}
else {
printMessageFn(`${count} ${count === 1 ? 'match' : 'matches'} - ${groupCondition.expression}`);
}
});
printMessageFn.groupEnd();
}
}
/** Logs a header within a text drawn box. */
function logHeader(...params) {
const totalWidth = 80;
const fillWidth = totalWidth - 2;
const headerText = params.join(' ').substr(0, fillWidth);
const leftSpace = Math.ceil((fillWidth - headerText.length) / 2);
const rightSpace = fillWidth - leftSpace - headerText.length;
const fill = (count, content) => content.repeat(count);
info(`${fill(fillWidth, '─')}`);
info(`${fill(leftSpace, ' ')}${headerText}${fill(rightSpace, ' ')}`);
info(`${fill(fillWidth, '─')}`);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Map that holds patterns and their corresponding Minimatch globs. */
const patternCache = new Map();
/**
* Gets a glob for the given pattern. The cached glob will be returned
* if available. Otherwise a new glob will be created and cached.
*/
function getOrCreateGlob(pattern) {
if (patternCache.has(pattern)) {
return patternCache.get(pattern);
}
const glob = new minimatch.Minimatch(pattern, { dot: true });
patternCache.set(pattern, glob);
return glob;
}
class PullApproveGroupStateDependencyError extends Error {
constructor(message) {
super(message);
// Set the prototype explicitly because in ES5, the prototype is accidentally
// lost due to a limitation in down-leveling.
// https://github.com/Microsoft/TypeScript/wiki/FAQ#why-doesnt-extending-built-ins-like-error-array-and-map-work.
Object.setPrototypeOf(this, PullApproveGroupStateDependencyError.prototype);
// Error names are displayed in their stack but can't be set in the constructor.
this.name = PullApproveGroupStateDependencyError.name;
}
}
/**
* Superset of a native array. The superset provides methods which mimic the
* list data structure used in PullApprove for files in conditions.
*/
class PullApproveStringArray extends Array {
constructor(...elements) {
super(...elements);
// Set the prototype explicitly because in ES5, the prototype is accidentally
// lost due to a limitation in down-leveling.
// https://github.com/Microsoft/TypeScript/wiki/FAQ#why-doesnt-extending-built-ins-like-error-array-and-map-work.
Object.setPrototypeOf(this, PullApproveStringArray.prototype);
}
/** Returns a new array which only includes files that match the given pattern. */
include(pattern) {
return new PullApproveStringArray(...this.filter(s => getOrCreateGlob(pattern).match(s)));
}
/** Returns a new array which only includes files that did not match the given pattern. */
exclude(pattern) {
return new PullApproveStringArray(...this.filter(s => !getOrCreateGlob(pattern).match(s)));
}
}
/**
* Superset of a native array. The superset provides methods which mimic the
* list data structure used in PullApprove for groups in conditions.
*/
class PullApproveGroupArray extends Array {
constructor(...elements) {
super(...elements);
// Set the prototype explicitly because in ES5, the prototype is accidentally
// lost due to a limitation in down-leveling.
// https://github.com/Microsoft/TypeScript/wiki/FAQ#why-doesnt-extending-built-ins-like-error-array-and-map-work.
Object.setPrototypeOf(this, PullApproveGroupArray.prototype);
}
include(pattern) {
return new PullApproveGroupArray(...this.filter(s => s.groupName.match(pattern)));
}
/** Returns a new array which only includes files that did not match the given pattern. */
exclude(pattern) {
return new PullApproveGroupArray(...this.filter(s => s.groupName.match(pattern)));
}
get pending() {
throw new PullApproveGroupStateDependencyError();
}
get active() {
throw new PullApproveGroupStateDependencyError();
}
get inactive() {
throw new PullApproveGroupStateDependencyError();
}
get rejected() {
throw new PullApproveGroupStateDependencyError();
}
get names() {
return this.map(g => g.groupName);
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Context that is provided to conditions. Conditions can use various helpers
* that PullApprove provides. We try to mock them here. Consult the official
* docs for more details: https://docs.pullapprove.com/config/conditions.
*/
const conditionContext = {
'len': (value) => value.length,
'contains_any_globs': (files, patterns) => {
// Note: Do not always create globs for the same pattern again. This method
// could be called for each source file. Creating glob's is expensive.
return files.some(f => patterns.some(pattern => getOrCreateGlob(pattern).match(f)));
},
};
/**
* Converts a given condition to a function that accepts a set of files. The returned
* function can be called to check if the set of files matches the condition.
*/
function convertConditionToFunction(expr) {
// Creates a dynamic function with the specified expression.
// The first parameter will be `files` as that corresponds to the supported `files` variable that
// can be accessed in PullApprove condition expressions. The second parameter is the list of
// PullApproveGroups that are accessible in the condition expressions. The followed parameters
// correspond to other context variables provided by PullApprove for conditions.
const evaluateFn = new Function('files', 'groups', ...Object.keys(conditionContext), `
return (${transformExpressionToJs(expr)});
`);
// Create a function that calls the dynamically constructed function which mimics
// the condition expression that is usually evaluated with Python in PullApprove.
return (files, groups) => {
const result = evaluateFn(new PullApproveStringArray(...files), new PullApproveGroupArray(...groups), ...Object.values(conditionContext));
// If an array is returned, we consider the condition as active if the array is not
// empty. This matches PullApprove's condition evaluation that is based on Python.
if (Array.isArray(result)) {
return result.length !== 0;
}
return !!result;
};
}
/**
* Transforms a condition expression from PullApprove that is based on python
* so that it can be run inside JavaScript. Current transformations:
* 1. `not <..>` -> `!<..>`
*/
function transformExpressionToJs(expression) {
return expression.replace(/not\s+/g, '!');
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
// Regular expression that matches conditions for the global approval.
const GLOBAL_APPROVAL_CONDITION_REGEX = /^"global-(docs-)?approvers" not in groups.approved$/;
// Name of the PullApprove group that serves as fallback. This group should never capture
// any conditions as it would always match specified files. This is not desired as we want
// to figure out as part of this tool, whether there actually are unmatched files.
const FALLBACK_GROUP_NAME = 'fallback';
/** A PullApprove group to be able to test files against. */
class PullApproveGroup {
constructor(groupName, config, precedingGroups = []) {
this.groupName = groupName;
this.precedingGroups = precedingGroups;
/** List of conditions for the group. */
this.conditions = [];
this._captureConditions(config);
}
_captureConditions(config) {
if (config.conditions && this.groupName !== FALLBACK_GROUP_NAME) {
return config.conditions.forEach(condition => {
const expression = condition.trim();
if (expression.match(GLOBAL_APPROVAL_CONDITION_REGEX)) {
// Currently a noop as we don't take any action for global approval conditions.
return;
}
try {
this.conditions.push({
expression,
checkFn: convertConditionToFunction(expression),
matchedFiles: new Set(),
unverifiable: false,
});
}
catch (e) {
error(`Could not parse condition in group: ${this.groupName}`);
error(` - ${expression}`);
error(`Error:`);
error(e.message);
error(e.stack);
process.exit(1);
}
});
}
}
/**
* Tests a provided file path to determine if it would be considered matched by
* the pull approve group's conditions.
*/
testFile(filePath) {
return this.conditions.every((condition) => {
const { matchedFiles, checkFn, expression } = condition;
try {
const matchesFile = checkFn([filePath], this.precedingGroups);
if (matchesFile) {
matchedFiles.add(filePath);
}
return matchesFile;
}
catch (e) {
// In the case of a condition that depends on the state of groups we want to
// ignore that the verification can't accurately evaluate the condition and then
// continue processing. Other types of errors fail the verification, as conditions
// should otherwise be able to execute without throwing.
if (e instanceof PullApproveGroupStateDependencyError) {
condition.unverifiable = true;
// Return true so that `this.conditions.every` can continue evaluating.
return true;
}
else {
const errMessage = `Condition could not be evaluated: \n\n` +
`From the [${this.groupName}] group:\n` +
` - ${expression}` +
`\n\n${e.message} ${e.stack}\n\n`;
error(errMessage);
process.exit(1);
}
}
});
}
/** Retrieve the results for the Group, all matched and unmatched conditions. */
getResults() {
const matchedConditions = this.conditions.filter(c => c.matchedFiles.size > 0);
const unmatchedConditions = this.conditions.filter(c => c.matchedFiles.size === 0 && !c.unverifiable);
const unverifiableConditions = this.conditions.filter(c => c.unverifiable);
return {
matchedConditions,
matchedCount: matchedConditions.length,
unmatchedConditions,
unmatchedCount: unmatchedConditions.length,
unverifiableConditions,
groupName: this.groupName,
};
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
function parsePullApproveYaml(rawYaml) {
return yaml.parse(rawYaml, { merge: true });
}
/** Parses all of the groups defined in the pullapprove yaml. */
function getGroupsFromYaml(pullApproveYamlRaw) {
/** JSON representation of the pullapprove yaml file. */
const pullApprove = parsePullApproveYaml(pullApproveYamlRaw);
return Object.entries(pullApprove.groups).reduce((groups, [groupName, group]) => {
return groups.concat(new PullApproveGroup(groupName, group, groups));
}, []);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
function verify$1() {
/** Full path to PullApprove config file */
const PULL_APPROVE_YAML_PATH = path.resolve(getRepoBaseDir(), '.pullapprove.yml');
/** All tracked files in the repository. */
const REPO_FILES = allFiles();
/** The pull approve config file. */
const pullApproveYamlRaw = fs.readFileSync(PULL_APPROVE_YAML_PATH, 'utf8');
/** All of the groups defined in the pullapprove yaml. */
const groups = getGroupsFromYaml(pullApproveYamlRaw);
/**
* PullApprove groups without conditions. These are skipped in the verification
* as those would always be active and cause zero unmatched files.
*/
const groupsSkipped = groups.filter(group => !group.conditions.length);
/** PullApprove groups with conditions. */
const groupsWithConditions = groups.filter(group => !!group.conditions.length);
/** Files which are matched by at least one group. */
const matchedFiles = [];
/** Files which are not matched by at least one group. */
const unmatchedFiles = [];
// Test each file in the repo against each group for being matched.
REPO_FILES.forEach((file) => {
if (groupsWithConditions.filter(group => group.testFile(file)).length) {
matchedFiles.push(file);
}
else {
unmatchedFiles.push(file);
}
});
/** Results for each group */
const resultsByGroup = groupsWithConditions.map(group => group.getResults());
/**
* Whether all group condition lines match at least one file and all files
* are matched by at least one group.
*/
const verificationSucceeded = resultsByGroup.every(r => !r.unmatchedCount) && !unmatchedFiles.length;
/**
* Overall result
*/
logHeader('Overall Result');
if (verificationSucceeded) {
info('PullApprove verification succeeded!');
}
else {
info(`PullApprove verification failed.`);
info();
info(`Please update '.pullapprove.yml' to ensure that all necessary`);
info(`files/directories have owners and all patterns that appear in`);
info(`the file correspond to actual files/directories in the repo.`);
}
/**
* File by file Summary
*/
logHeader('PullApprove results by file');
info.group(`Matched Files (${matchedFiles.length} files)`);
matchedFiles.forEach(file => debug(file));
info.groupEnd();
info.group(`Unmatched Files (${unmatchedFiles.length} files)`);
unmatchedFiles.forEach(file => info(file));
info.groupEnd();
/**
* Group by group Summary
*/
logHeader('PullApprove results by group');
info.group(`Groups skipped (${groupsSkipped.length} groups)`);
groupsSkipped.forEach(group => debug(`${group.groupName}`));
info.groupEnd();
const matchedGroups = resultsByGroup.filter(group => !group.unmatchedCount);
info.group(`Matched conditions by Group (${matchedGroups.length} groups)`);
matchedGroups.forEach(group => logGroup(group, 'matchedConditions', debug));
info.groupEnd();
const unmatchedGroups = resultsByGroup.filter(group => group.unmatchedCount);
info.group(`Unmatched conditions by Group (${unmatchedGroups.length} groups)`);
unmatchedGroups.forEach(group => logGroup(group, 'unmatchedConditions'));
info.groupEnd();
const unverifiableConditionsInGroups = resultsByGroup.filter(group => group.unverifiableConditions.length > 0);
info.group(`Unverifiable conditions by Group (${unverifiableConditionsInGroups.length} groups)`);
unverifiableConditionsInGroups.forEach(group => logGroup(group, 'unverifiableConditions'));
info.groupEnd();
// Provide correct exit code based on verification success.
process.exit(verificationSucceeded ? 0 : 1);
}
/** Build the parser for the pullapprove commands. */
function buildPullapproveParser(localYargs) {
return localYargs.help().strict().demandCommand().command('verify', 'Verify the pullapprove config', {}, () => verify$1());
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Retrieve and validate the config as `ReleaseConfig`. */
function getReleaseConfig(config = getConfig()) {
var _a, _b, _c;
// List of errors encountered validating the config.
const errors = [];
if (config.release === undefined) {
errors.push(`No configuration defined for "release"`);
}
if (((_a = config.release) === null || _a === void 0 ? void 0 : _a.npmPackages) === undefined) {
errors.push(`No "npmPackages" configured for releasing.`);
}
if (((_b = config.release) === null || _b === void 0 ? void 0 : _b.buildPackages) === undefined) {
errors.push(`No "buildPackages" function configured for releasing.`);
}
if (((_c = config.release) === null || _c === void 0 ? void 0 : _c.generateReleaseNotesForHead) === undefined) {
errors.push(`No "generateReleaseNotesForHead" function configured for releasing.`);
}
assertNoErrors(errors);
return config.release;
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Builds the release output without polluting the process stdout. Build scripts commonly
* print messages to stderr or stdout. This is fine in most cases, but sometimes other tooling
* reserves stdout for data transfer (e.g. when `ng release build --json` is invoked). To not
* pollute the stdout in such cases, we launch a child process for building the release packages
* and redirect all stdout output to the stderr channel (which can be read in the terminal).
*/
function buildReleaseOutput() {
return tslib.__awaiter(this, void 0, void 0, function* () {
return new Promise(resolve => {
const buildProcess = child_process.fork(require.resolve('./build-worker'), [], {
// The stdio option is set to redirect any "stdout" output directly to the "stderr" file
// descriptor. An additional "ipc" file descriptor is created to support communication with
// the build process. https://nodejs.org/api/child_process.html#child_process_options_stdio.
stdio: ['inherit', 2, 2, 'ipc'],
});
let builtPackages = null;
// The child process will pass the `buildPackages()` output through the
// IPC channel. We keep track of it so that we can use it as resolve value.
buildProcess.on('message', buildResponse => builtPackages = buildResponse);
// On child process exit, resolve the promise with the received output.
buildProcess.on('exit', () => resolve(builtPackages));
});
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Yargs command builder for configuring the `ng-dev release build` command. */
function builder$7(argv) {
return argv.option('json', {
type: 'boolean',
description: 'Whether the built packages should be printed to stdout as JSON.',
default: false,
});
}
/** Yargs command handler for building a release. */
function handler$7(args) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { npmPackages } = getReleaseConfig();
let builtPackages = yield buildReleaseOutput();
// If package building failed, print an error and exit with an error code.
if (builtPackages === null) {
error(red(` ✘ Could not build release output. Please check output above.`));
process.exit(1);
}
// If no packages have been built, we assume that this is never correct
// and exit with an error code.
if (builtPackages.length === 0) {
error(red(` ✘ No release packages have been built. Please ensure that the`));
error(red(` build script is configured correctly in ".ng-dev".`));
process.exit(1);
}
const missingPackages = npmPackages.filter(pkgName => !builtPackages.find(b => b.name === pkgName));
// Check for configured release packages which have not been built. We want to
// error and exit if any configured package has not been built.
if (missingPackages.length > 0) {
error(red(` ✘ Release output missing for the following packages:`));
missingPackages.forEach(pkgName => error(red(` - ${pkgName}`)));
process.exit(1);
}
if (args.json) {
process.stdout.write(JSON.stringify(builtPackages, null, 2));
}
else {
info(green(' ✓ Built release packages.'));
builtPackages.forEach(({ name }) => info(green(` - ${name}`)));
}
});
}
/** CLI command module for building release output. */
const ReleaseBuildCommandModule = {
builder: builder$7,
handler: handler$7,
command: 'build',
describe: 'Builds the release output for the current branch.',
};
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Prints the active release trains to the console.
* @params active Active release trains that should be printed.
* @params config Release configuration used for querying NPM on published versions.
*/
function printActiveReleaseTrains(active, config) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { releaseCandidate, next, latest } = active;
const isNextPublishedToNpm = yield isVersionPublishedToNpm(next.version, config);
const nextTrainType = next.isMajor ? 'major' : 'minor';
const ltsBranches = yield fetchLongTermSupportBranchesFromNpm(config);
info();
info(blue('Current version branches in the project:'));
// Print information for release trains in the feature-freeze/release-candidate phase.
if (releaseCandidate !== null) {
const rcVersion = releaseCandidate.version;
const rcTrainType = releaseCandidate.isMajor ? 'major' : 'minor';
const rcTrainPhase = rcVersion.prerelease[0] === 'next' ? 'feature-freeze' : 'release-candidate';
info(`${bold(releaseCandidate.branchName)} contains changes for an upcoming ` +
`${rcTrainType} that is currently in ${bold(rcTrainPhase)} phase.`);
info(` Most recent pre-release for this branch is "${bold(`v${rcVersion}`)}".`);
}
// Print information about the release-train in the latest phase. i.e. the patch branch.
info(`${bold(latest.branchName)} contains changes for the most recent patch.`);
info(` Most recent patch version for this branch is "${bold(`v${latest.version}`)}".`);
// Print information about the release-train in the next phase.
info(`${bold(next.branchName)} contains changes for a ${nextTrainType} ` +
`currently in active development.`);
// Note that there is a special case for versions in the next release-train. The version in
// the next branch is not always published to NPM. This can happen when we recently branched
// off for a feature-freeze release-train. More details are in the next pre-release action.
if (isNextPublishedToNpm) {
info(` Most recent pre-release version for this branch is "${bold(`v${next.version}`)}".`);
}
else {
info(` Version is currently set to "${bold(`v${next.version}`)}", but has not been ` +
`published yet.`);
}
// If no release-train in release-candidate or feature-freeze phase is active,
// we print a message as last bullet point to make this clear.
if (releaseCandidate === null) {
info(' • No release-candidate or feature-freeze branch currently active.');
}
info();
info(blue('Current active LTS version branches:'));
// Print all active LTS branches (each branch as own bullet point).
if (ltsBranches.active.length !== 0) {
for (const ltsBranch of ltsBranches.active) {
info(`${bold(ltsBranch.name)} is currently in active long-term support phase.`);
info(` Most recent patch version for this branch is "${bold(`v${ltsBranch.version}`)}".`);
}
}
info();
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Error that will be thrown if the user manually aborted a release action. */
class UserAbortedReleaseActionError extends Error {
constructor() {
super();
// Set the prototype explicitly because in ES5, the prototype is accidentally lost due to
// a limitation in down-leveling.
// https://github.com/Microsoft/TypeScript/wiki/FAQ#why-doesnt-extending-built-ins-like-error-array-and-map-work.
Object.setPrototypeOf(this, UserAbortedReleaseActionError.prototype);
}
}
/** Error that will be thrown if the action has been aborted due to a fatal error. */
class FatalReleaseActionError extends Error {
constructor() {
super();
// Set the prototype explicitly because in ES5, the prototype is accidentally lost due to
// a limitation in down-leveling.
// https://github.com/Microsoft/TypeScript/wiki/FAQ#why-doesnt-extending-built-ins-like-error-array-and-map-work.
Object.setPrototypeOf(this, FatalReleaseActionError.prototype);
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Increments a specified SemVer version. Compared to the original increment in SemVer,
* the version is cloned to not modify the original version instance.
*/
function semverInc(version, release, identifier) {
const clone = new semver.SemVer(version.version);
return clone.inc(release, identifier);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Spawns a given command with the specified arguments inside a shell. All process stdout
* output is captured and returned as resolution on completion. Depending on the chosen
* output mode, stdout/stderr output is also printed to the console, or only on error.
*
* @returns a Promise resolving with captured stdout on success. The promise
* rejects on command failure.
*/
function spawnWithDebugOutput(command, args, options) {
if (options === void 0) { options = {}; }
return new Promise(function (resolve, reject) {
var commandText = command + " " + args.join(' ');
var outputMode = options.mode;
debug("Executing command: " + commandText);
var childProcess = child_process.spawn(command, args, tslib.__assign(tslib.__assign({}, options), { shell: true, stdio: ['inherit', 'pipe', 'pipe'] }));
var logOutput = '';
var stdout = '';
// Capture the stdout separately so that it can be passed as resolve value.
// This is useful if commands return parsable stdout.
childProcess.stderr.on('data', function (message) {
logOutput += message;
// If console output is enabled, print the message directly to the stderr. Note that
// we intentionally print all output to stderr as stdout should not be polluted.
if (outputMode === undefined || outputMode === 'enabled') {
process.stderr.write(message);
}
});
childProcess.stdout.on('data', function (message) {
stdout += message;
logOutput += message;
// If console output is enabled, print the message directly to the stderr. Note that
// we intentionally print all output to stderr as stdout should not be polluted.
if (outputMode === undefined || outputMode === 'enabled') {
process.stderr.write(message);
}
});
childProcess.on('exit', function (status, signal) {
var exitDescription = status !== null ? "exit code \"" + status + "\"" : "signal \"" + signal + "\"";
var printFn = outputMode === 'on-error' ? error : debug;
printFn("Command \"" + commandText + "\" completed with " + exitDescription + ".");
printFn("Process output: \n" + logOutput);
// On success, resolve the promise. Otherwise reject with the captured stderr
// and stdout log output if the output mode was set to `silent`.
if (status === 0) {
resolve({ stdout: stdout });
}
else {
reject(outputMode === 'silent' ? logOutput : undefined);
}
});
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Runs NPM publish within a specified package directory.
* @throws With the process log output if the publish failed.
*/
function runNpmPublish(packagePath, distTag, registryUrl) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const args = ['publish', '--access', 'public', '--tag', distTag];
// If a custom registry URL has been specified, add the `--registry` flag.
if (registryUrl !== undefined) {
args.push('--registry', registryUrl);
}
yield spawnWithDebugOutput('npm', args, { cwd: packagePath, mode: 'silent' });
});
}
/**
* Sets the NPM tag to the specified version for the given package.
* @throws With the process log output if the tagging failed.
*/
function setNpmTagForPackage(packageName, distTag, version, registryUrl) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const args = ['dist-tag', 'add', `${packageName}@${version}`, distTag];
// If a custom registry URL has been specified, add the `--registry` flag.
if (registryUrl !== undefined) {
args.push('--registry', registryUrl);
}
yield spawnWithDebugOutput('npm', args, { mode: 'silent' });
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Gets the commit message for a new release point in the project. */
function getCommitMessageForRelease(newVersion) {
return `release: cut the v${newVersion} release`;
}
/**
* Gets the commit message for an exceptional version bump in the next branch. The next
* branch version will be bumped without the release being published in some situations.
* More details can be found in the `MoveNextIntoFeatureFreeze` release action and in:
* https://hackmd.io/2Le8leq0S6G_R5VEVTNK9A.
*/
function getCommitMessageForExceptionalNextVersionBump(newVersion) {
return `release: bump the next branch to v${newVersion}`;
}
/** Gets the commit message for a release notes cherry-pick commit */
function getReleaseNoteCherryPickCommitMessage(newVersion) {
return `docs: release notes for the v${newVersion} release`;
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Project-relative path for the changelog file. */
const changelogPath = 'CHANGELOG.md';
/** Project-relative path for the "package.json" file. */
const packageJsonPath = 'package.json';
/** Default interval in milliseconds to check whether a pull request has been merged. */
const waitForPullRequestInterval = 10000;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/*
* ###############################################################
*
* This file contains helpers for invoking external `ng-dev` commands. A subset of actions,
* like building release output or setting aν NPM dist tag for release packages, cannot be
* performed directly as part of the release tool and need to be delegated to external `ng-dev`
* commands that exist across arbitrary version branches.
*
* In a concrete example: Consider a new patch version is released and that a new release
* package has been added to the `next` branch. The patch branch will not contain the new
* release package, so we could not build the release output for it. To work around this, we
* call the ng-dev build command for the patch version branch and expect it to return a list
* of built packages that need to be released as part of this release train.
*
* ###############################################################
*/
/**
* Invokes the `ng-dev release set-dist-tag` command in order to set the specified
* NPM dist tag for all packages in the checked out branch to the given version.
*/
function invokeSetNpmDistCommand(npmDistTag, version) {
return tslib.__awaiter(this, void 0, void 0, function* () {
try {
// Note: No progress indicator needed as that is the responsibility of the command.
yield spawnWithDebugOutput('yarn', ['--silent', 'ng-dev', 'release', 'set-dist-tag', npmDistTag, version.format()]);
info(green(` ✓ Set "${npmDistTag}" NPM dist tag for all packages to v${version}.`));
}
catch (e) {
error(e);
error(red(` ✘ An error occurred while setting the NPM dist tag for "${npmDistTag}".`));
throw new FatalReleaseActionError();
}
});
}
/**
* Invokes the `ng-dev release build` command in order to build the release
* packages for the currently checked out branch.
*/
function invokeReleaseBuildCommand() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const spinner = ora.call(undefined).start('Building release output.');
try {
// Since we expect JSON to be printed from the `ng-dev release build` command,
// we spawn the process in silent mode. We have set up an Ora progress spinner.
const { stdout } = yield spawnWithDebugOutput('yarn', ['--silent', 'ng-dev', 'release', 'build', '--json'], { mode: 'silent' });
spinner.stop();
info(green(' ✓ Built release output for all packages.'));
// The `ng-dev release build` command prints a JSON array to stdout
// that represents the built release packages and their output paths.
return JSON.parse(stdout.trim());
}
catch (e) {
spinner.stop();
error(e);
error(red(' ✘ An error occurred while building the release packages.'));
throw new FatalReleaseActionError();
}
});
}
/**
* Invokes the `yarn install` command in order to install dependencies for
* the configured project with the currently checked out revision.
*/
function invokeYarnInstallCommand(projectDir) {
return tslib.__awaiter(this, void 0, void 0, function* () {
try {
// Note: No progress indicator needed as that is the responsibility of the command.
// TODO: Consider using an Ora spinner instead to ensure minimal console output.
yield spawnWithDebugOutput('yarn', ['install', '--frozen-lockfile', '--non-interactive'], { cwd: projectDir });
info(green(' ✓ Installed project dependencies.'));
}
catch (e) {
error(e);
error(red(' ✘ An error occurred while installing dependencies.'));
throw new FatalReleaseActionError();
}
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Graphql Github API query that can be used to find forks of a given repository
* that are owned by the current viewer authenticated with the Github API.
*/
const findOwnedForksOfRepoQuery = typedGraphqlify.params({
$owner: 'String!',
$name: 'String!',
}, {
repository: typedGraphqlify.params({ owner: '$owner', name: '$name' }, {
forks: typedGraphqlify.params({ affiliations: 'OWNER', first: 1 }, {
nodes: [{
owner: {
login: typedGraphqlify.types.string,
},
name: typedGraphqlify.types.string,
}],
}),
}),
});
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Gets whether a given pull request has been merged. */
function getPullRequestState(api, id) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { data } = yield api.github.pulls.get(Object.assign(Object.assign({}, api.remoteParams), { pull_number: id }));
if (data.merged) {
return 'merged';
}
else if (data.closed_at !== null) {
return (yield isPullRequestClosedWithAssociatedCommit(api, id)) ? 'merged' : 'closed';
}
else {
return 'open';
}
});
}
/**
* Whether the pull request has been closed with an associated commit. This is usually
* the case if a PR has been merged using the autosquash merge script strategy. Since
* the merge is not fast-forward, Github does not consider the PR as merged and instead
* shows the PR as closed. See for example: https://github.com/angular/angular/pull/37918.
*/
function isPullRequestClosedWithAssociatedCommit(api, id) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const request = api.github.issues.listEvents.endpoint.merge(Object.assign(Object.assign({}, api.remoteParams), { issue_number: id }));
const events = yield api.github.paginate(request);
// Iterate through the events of the pull request in reverse. We want to find the most
// recent events and check if the PR has been closed with a commit associated with it.
// If the PR has been closed through a commit, we assume that the PR has been merged
// using the autosquash merge strategy. For more details. See the `AutosquashMergeStrategy`.
for (let i = events.length - 1; i >= 0; i--) {
const { event, commit_id } = events[i];
// If we come across a "reopened" event, we abort looking for referenced commits. Any
// commits that closed the PR before, are no longer relevant and did not close the PR.
if (event === 'reopened') {
return false;
}
// If a `closed` event is captured with a commit assigned, then we assume that
// this PR has been merged properly.
if (event === 'closed' && commit_id) {
return true;
}
// If the PR has been referenced by a commit, check if the commit closes this pull
// request. Note that this is needed besides checking `closed` as PRs could be merged
// into any non-default branch where the `Closes <..>` keyword does not work and the PR
// is simply closed without an associated `commit_id`. For more details see:
// https://docs.github.com/en/enterprise/2.16/user/github/managing-your-work-on-github/closing-issues-using-keywords#:~:text=non-default.
if (event === 'referenced' && commit_id &&
(yield isCommitClosingPullRequest(api, commit_id, id))) {
return true;
}
}
return false;
});
}
/** Checks whether the specified commit is closing the given pull request. */
function isCommitClosingPullRequest(api, sha, id) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { data } = yield api.github.repos.getCommit(Object.assign(Object.assign({}, api.remoteParams), { ref: sha }));
// Matches the closing keyword supported in commit messages. See:
// https://docs.github.com/en/enterprise/2.16/user/github/managing-your-work-on-github/closing-issues-using-keywords.
return data.commit.message.match(new RegExp(`(?:close[sd]?|fix(?:e[sd]?)|resolve[sd]?):? #${id}(?!\\d)`, 'i'));
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Gets the default pattern for extracting release notes for the given version.
* This pattern matches for the conventional-changelog Angular preset.
*/
function getDefaultExtractReleaseNotesPattern(version) {
const escapedVersion = version.format().replace('.', '\\.');
// TODO: Change this once we have a canonical changelog generation tool. Also update this
// based on the conventional-changelog version. They removed anchors in more recent versions.
return new RegExp(`(<a name="${escapedVersion}"></a>.*?)(?:<a name="|$)`, 's');
}
/** Gets the path for the changelog file in a given project. */
function getLocalChangelogFilePath(projectDir) {
return path.join(projectDir, changelogPath);
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Abstract base class for a release action. A release action is selectable by the caretaker
* if active, and can perform changes for releasing, such as staging a release, bumping the
* version, cherry-picking the changelog, branching off from master. etc.
*/
class ReleaseAction {
constructor(active, git, config, projectDir) {
this.active = active;
this.git = git;
this.config = config;
this.projectDir = projectDir;
/** Cached found fork of the configured project. */
this._cachedForkRepo = null;
}
/** Whether the release action is currently active. */
static isActive(_trains) {
throw Error('Not implemented.');
}
/** Updates the version in the project top-level `package.json` file. */
updateProjectVersion(newVersion) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const pkgJsonPath = path.join(this.projectDir, packageJsonPath);
const pkgJson = JSON.parse(yield fs.promises.readFile(pkgJsonPath, 'utf8'));
pkgJson.version = newVersion.format();
// Write the `package.json` file. Note that we add a trailing new line
// to avoid unnecessary diff. IDEs usually add a trailing new line.
yield fs.promises.writeFile(pkgJsonPath, `${JSON.stringify(pkgJson, null, 2)}\n`);
info(green(` ✓ Updated project version to ${pkgJson.version}`));
});
}
/** Gets the most recent commit of a specified branch. */
_getCommitOfBranch(branchName) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { data: { commit } } = yield this.git.github.repos.getBranch(Object.assign(Object.assign({}, this.git.remoteParams), { branch: branchName }));
return commit.sha;
});
}
/** Verifies that the latest commit for the given branch is passing all statuses. */
verifyPassingGithubStatus(branchName) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const commitSha = yield this._getCommitOfBranch(branchName);
const { data: { state } } = yield this.git.github.repos.getCombinedStatusForRef(Object.assign(Object.assign({}, this.git.remoteParams), { ref: commitSha }));
const branchCommitsUrl = getListCommitsInBranchUrl(this.git, branchName);
if (state === 'failure') {
error(red(` ✘ Cannot stage release. Commit "${commitSha}" does not pass all github ` +
'status checks. Please make sure this commit passes all checks before re-running.'));
error(` Please have a look at: ${branchCommitsUrl}`);
if (yield promptConfirm('Do you want to ignore the Github status and proceed?')) {
info(yellow(' ⚠ Upstream commit is failing CI checks, but status has been forcibly ignored.'));
return;
}
throw new UserAbortedReleaseActionError();
}
else if (state === 'pending') {
error(red(` ✘ Commit "${commitSha}" still has pending github statuses that ` +
'need to succeed before staging a release.'));
error(red(` Please have a look at: ${branchCommitsUrl}`));
if (yield promptConfirm('Do you want to ignore the Github status and proceed?')) {
info(yellow(' ⚠ Upstream commit is pending CI, but status has been forcibly ignored.'));
return;
}
throw new UserAbortedReleaseActionError();
}
info(green(' ✓ Upstream commit is passing all github status checks.'));
});
}
/** Generates the changelog for the specified for the current `HEAD`. */
_generateReleaseNotesForHead(version) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const changelogPath = getLocalChangelogFilePath(this.projectDir);
yield this.config.generateReleaseNotesForHead(changelogPath);
info(green(` ✓ Updated the changelog to capture changes for "${version}".`));
});
}
/** Extract the release notes for the given version from the changelog file. */
_extractReleaseNotesForVersion(changelogContent, version) {
const pattern = this.config.extractReleaseNotesPattern !== undefined ?
this.config.extractReleaseNotesPattern(version) :
getDefaultExtractReleaseNotesPattern(version);
const matchedNotes = pattern.exec(changelogContent);
return matchedNotes === null ? null : matchedNotes[1];
}
/**
* Prompts the user for potential release notes edits that need to be made. Once
* confirmed, a new commit for the release point is created.
*/
waitForEditsAndCreateReleaseCommit(newVersion) {
return tslib.__awaiter(this, void 0, void 0, function* () {
info(yellow(' ⚠ Please review the changelog and ensure that the log contains only changes ' +
'that apply to the public API surface. Manual changes can be made. When done, please ' +
'proceed with the prompt below.'));
if (!(yield promptConfirm('Do you want to proceed and commit the changes?'))) {
throw new UserAbortedReleaseActionError();
}
// Commit message for the release point.
const commitMessage = getCommitMessageForRelease(newVersion);
// Create a release staging commit including changelog and version bump.
yield this.createCommit(commitMessage, [packageJsonPath, changelogPath]);
info(green(` ✓ Created release commit for: "${newVersion}".`));
});
}
/**
* Gets an owned fork for the configured project of the authenticated user. Aborts the
* process with an error if no fork could be found. Also caches the determined fork
* repository as the authenticated user cannot change during action execution.
*/
_getForkOfAuthenticatedUser() {
return tslib.__awaiter(this, void 0, void 0, function* () {
if (this._cachedForkRepo !== null) {
return this._cachedForkRepo;
}
const { owner, name } = this.git.remoteConfig;
const result = yield this.git.github.graphql.query(findOwnedForksOfRepoQuery, { owner, name });
const forks = result.repository.forks.nodes;
if (forks.length === 0) {
error(red(' ✘ Unable to find fork for currently authenticated user.'));
error(red(` Please ensure you created a fork of: ${owner}/${name}.`));
throw new FatalReleaseActionError();
}
const fork = forks[0];
return this._cachedForkRepo = { owner: fork.owner.login, name: fork.name };
});
}
/** Checks whether a given branch name is reserved in the specified repository. */
_isBranchNameReservedInRepo(repo, name) {
return tslib.__awaiter(this, void 0, void 0, function* () {
try {
yield this.git.github.repos.getBranch({ owner: repo.owner, repo: repo.name, branch: name });
return true;
}
catch (e) {
// If the error has a `status` property set to `404`, then we know that the branch
// does not exist. Otherwise, it might be an API error that we want to report/re-throw.
if (e.status === 404) {
return false;
}
throw e;
}
});
}
/** Finds a non-reserved branch name in the repository with respect to a base name. */
_findAvailableBranchName(repo, baseName) {
return tslib.__awaiter(this, void 0, void 0, function* () {
let currentName = baseName;
let suffixNum = 0;
while (yield this._isBranchNameReservedInRepo(repo, currentName)) {
suffixNum++;
currentName = `${baseName}_${suffixNum}`;
}
return currentName;
});
}
/**
* Creates a local branch from the current Git `HEAD`. Will override
* existing branches in case of a collision.
*/
createLocalBranchFromHead(branchName) {
return tslib.__awaiter(this, void 0, void 0, function* () {
this.git.run(['checkout', '-B', branchName]);
});
}
/** Pushes the current Git `HEAD` to the given remote branch in the configured project. */
pushHeadToRemoteBranch(branchName) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// Push the local `HEAD` to the remote branch in the configured project.
this.git.run(['push', this.git.repoGitUrl, `HEAD:refs/heads/${branchName}`]);
});
}
/**
* Pushes the current Git `HEAD` to a fork for the configured project that is owned by
* the authenticated user. If the specified branch name exists in the fork already, a
* unique one will be generated based on the proposed name to avoid collisions.
* @param proposedBranchName Proposed branch name for the fork.
* @param trackLocalBranch Whether the fork branch should be tracked locally. i.e. whether
* a local branch with remote tracking should be set up.
* @returns The fork and branch name containing the pushed changes.
*/
_pushHeadToFork(proposedBranchName, trackLocalBranch) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const fork = yield this._getForkOfAuthenticatedUser();
// Compute a repository URL for pushing to the fork. Note that we want to respect
// the SSH option from the dev-infra github configuration.
const repoGitUrl = getRepositoryGitUrl(Object.assign(Object.assign({}, fork), { useSsh: this.git.remoteConfig.useSsh }), this.git.githubToken);
const branchName = yield this._findAvailableBranchName(fork, proposedBranchName);
const pushArgs = [];
// If a local branch should track the remote fork branch, create a branch matching
// the remote branch. Later with the `git push`, the remote is set for the branch.
if (trackLocalBranch) {
yield this.createLocalBranchFromHead(branchName);
pushArgs.push('--set-upstream');
}
// Push the local `HEAD` to the remote branch in the fork.
this.git.run(['push', repoGitUrl, `HEAD:refs/heads/${branchName}`, ...pushArgs]);
return { fork, branchName };
});
}
/**
* Pushes changes to a fork for the configured project that is owned by the currently
* authenticated user. A pull request is then created for the pushed changes on the
* configured project that targets the specified target branch.
* @returns An object describing the created pull request.
*/
pushChangesToForkAndCreatePullRequest(targetBranch, proposedForkBranchName, title, body) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const repoSlug = `${this.git.remoteParams.owner}/${this.git.remoteParams.repo}`;
const { fork, branchName } = yield this._pushHeadToFork(proposedForkBranchName, true);
const { data } = yield this.git.github.pulls.create(Object.assign(Object.assign({}, this.git.remoteParams), { head: `${fork.owner}:${branchName}`, base: targetBranch, body,
title }));
info(green(` ✓ Created pull request #${data.number} in ${repoSlug}.`));
return {
id: data.number,
url: data.html_url,
fork,
forkBranch: branchName,
};
});
}
/**
* Waits for the given pull request to be merged. Default interval for checking the Github
* API is 10 seconds (to not exceed any rate limits). If the pull request is closed without
* merge, the script will abort gracefully (considering a manual user abort).
*/
waitForPullRequestToBeMerged(id, interval = waitForPullRequestInterval) {
return tslib.__awaiter(this, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
debug(`Waiting for pull request #${id} to be merged.`);
const spinner = ora.call(undefined).start(`Waiting for pull request #${id} to be merged.`);
const intervalId = setInterval(() => tslib.__awaiter(this, void 0, void 0, function* () {
const prState = yield getPullRequestState(this.git, id);
if (prState === 'merged') {
spinner.stop();
info(green(` ✓ Pull request #${id} has been merged.`));
clearInterval(intervalId);
resolve();
}
else if (prState === 'closed') {
spinner.stop();
warn(yellow(` ✘ Pull request #${id} has been closed.`));
clearInterval(intervalId);
reject(new UserAbortedReleaseActionError());
}
}), interval);
});
});
}
/**
* Prepend releases notes for a version published in a given branch to the changelog in
* the current Git `HEAD`. This is useful for cherry-picking the changelog.
* @returns A boolean indicating whether the release notes have been prepended.
*/
prependReleaseNotesFromVersionBranch(version, containingBranch) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { data } = yield this.git.github.repos.getContents(Object.assign(Object.assign({}, this.git.remoteParams), { path: '/' + changelogPath, ref: containingBranch }));
const branchChangelog = Buffer.from(data.content, 'base64').toString();
let releaseNotes = this._extractReleaseNotesForVersion(branchChangelog, version);
// If no release notes could be extracted, return "false" so that the caller
// can tell that changelog prepending failed.
if (releaseNotes === null) {
return false;
}
const localChangelogPath = getLocalChangelogFilePath(this.projectDir);
const localChangelog = yield fs.promises.readFile(localChangelogPath, 'utf8');
// If the extracted release notes do not have any new lines at the end and the
// local changelog is not empty, we add lines manually so that there is space
// between the previous and cherry-picked release notes.
if (!/[\r\n]+$/.test(releaseNotes) && localChangelog !== '') {
releaseNotes = `${releaseNotes}\n\n`;
}
// Prepend the extracted release notes to the local changelog and write it back.
yield fs.promises.writeFile(localChangelogPath, releaseNotes + localChangelog);
return true;
});
}
/** Checks out an upstream branch with a detached head. */
checkoutUpstreamBranch(branchName) {
return tslib.__awaiter(this, void 0, void 0, function* () {
this.git.run(['fetch', '-q', this.git.repoGitUrl, branchName]);
this.git.run(['checkout', 'FETCH_HEAD', '--detach']);
});
}
/**
* Creates a commit for the specified files with the given message.
* @param message Message for the created commit
* @param files List of project-relative file paths to be commited.
*/
createCommit(message, files) {
return tslib.__awaiter(this, void 0, void 0, function* () {
this.git.run(['commit', '--no-verify', '-m', message, ...files]);
});
}
/**
* Creates a cherry-pick commit for the release notes of the specified version that
* has been pushed to the given branch.
* @returns a boolean indicating whether the commit has been created successfully.
*/
createCherryPickReleaseNotesCommitFrom(version, branchName) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const commitMessage = getReleaseNoteCherryPickCommitMessage(version);
// Fetch, extract and prepend the release notes to the local changelog. If that is not
// possible, abort so that we can ask the user to manually cherry-pick the changelog.
if (!(yield this.prependReleaseNotesFromVersionBranch(version, branchName))) {
return false;
}
// Create a changelog cherry-pick commit.
yield this.createCommit(commitMessage, [changelogPath]);
info(green(` ✓ Created changelog cherry-pick commit for: "${version}".`));
return true;
});
}
/**
* Stages the specified new version for the current branch and creates a
* pull request that targets the given base branch.
* @returns an object describing the created pull request.
*/
stageVersionForBranchAndCreatePullRequest(newVersion, pullRequestBaseBranch) {
return tslib.__awaiter(this, void 0, void 0, function* () {
yield this.updateProjectVersion(newVersion);
yield this._generateReleaseNotesForHead(newVersion);
yield this.waitForEditsAndCreateReleaseCommit(newVersion);
const pullRequest = yield this.pushChangesToForkAndCreatePullRequest(pullRequestBaseBranch, `release-stage-${newVersion}`, `Bump version to "v${newVersion}" with changelog.`);
info(green(' ✓ Release staging pull request has been created.'));
info(yellow(` Please ask team members to review: ${pullRequest.url}.`));
return pullRequest;
});
}
/**
* Checks out the specified target branch, verifies its CI status and stages
* the specified new version in order to create a pull request.
* @returns an object describing the created pull request.
*/
checkoutBranchAndStageVersion(newVersion, stagingBranch) {
return tslib.__awaiter(this, void 0, void 0, function* () {
yield this.verifyPassingGithubStatus(stagingBranch);
yield this.checkoutUpstreamBranch(stagingBranch);
return yield this.stageVersionForBranchAndCreatePullRequest(newVersion, stagingBranch);
});
}
/**
* Cherry-picks the release notes of a version that have been pushed to a given branch
* into the `next` primary development branch. A pull request is created for this.
* @returns a boolean indicating successful creation of the cherry-pick pull request.
*/
cherryPickChangelogIntoNextBranch(newVersion, stagingBranch) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const nextBranch = this.active.next.branchName;
const commitMessage = getReleaseNoteCherryPickCommitMessage(newVersion);
// Checkout the next branch.
yield this.checkoutUpstreamBranch(nextBranch);
// Cherry-pick the release notes into the current branch. If it fails,
// ask the user to manually copy the release notes into the next branch.
if (!(yield this.createCherryPickReleaseNotesCommitFrom(newVersion, stagingBranch))) {
error(yellow(` ✘ Could not cherry-pick release notes for v${newVersion}.`));
error(yellow(` Please copy the release notes manually into the "${nextBranch}" branch.`));
return false;
}
// Create a cherry-pick pull request that should be merged by the caretaker.
const { url } = yield this.pushChangesToForkAndCreatePullRequest(nextBranch, `changelog-cherry-pick-${newVersion}`, commitMessage, `Cherry-picks the changelog from the "${stagingBranch}" branch to the next ` +
`branch (${nextBranch}).`);
info(green(` ✓ Pull request for cherry-picking the changelog into "${nextBranch}" ` +
'has been created.'));
info(yellow(` Please ask team members to review: ${url}.`));
return true;
});
}
/**
* Creates a Github release for the specified version in the configured project.
* The release is created by tagging the specified commit SHA.
*/
_createGithubReleaseForVersion(newVersion, versionBumpCommitSha) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const tagName = newVersion.format();
yield this.git.github.git.createRef(Object.assign(Object.assign({}, this.git.remoteParams), { ref: `refs/tags/${tagName}`, sha: versionBumpCommitSha }));
info(green(` ✓ Tagged v${newVersion} release upstream.`));
yield this.git.github.repos.createRelease(Object.assign(Object.assign({}, this.git.remoteParams), { name: `v${newVersion}`, tag_name: tagName }));
info(green(` ✓ Created v${newVersion} release in Github.`));
});
}
/**
* Builds and publishes the given version in the specified branch.
* @param newVersion The new version to be published.
* @param publishBranch Name of the branch that contains the new version.
* @param npmDistTag NPM dist tag where the version should be published to.
*/
buildAndPublish(newVersion, publishBranch, npmDistTag) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const versionBumpCommitSha = yield this._getCommitOfBranch(publishBranch);
if (!(yield this._isCommitForVersionStaging(newVersion, versionBumpCommitSha))) {
error(red(` ✘ Latest commit in "${publishBranch}" branch is not a staging commit.`));
error(red(' Please make sure the staging pull request has been merged.'));
throw new FatalReleaseActionError();
}
// Checkout the publish branch and build the release packages.
yield this.checkoutUpstreamBranch(publishBranch);
// Install the project dependencies for the publish branch, and then build the release
// packages. Note that we do not directly call the build packages function from the release
// config. We only want to build and publish packages that have been configured in the given
// publish branch. e.g. consider we publish patch version and a new package has been
// created in the `next` branch. The new package would not be part of the patch branch,
// so we cannot build and publish it.
yield invokeYarnInstallCommand(this.projectDir);
const builtPackages = yield invokeReleaseBuildCommand();
// Verify the packages built are the correct version.
yield this._verifyPackageVersions(newVersion, builtPackages);
// Create a Github release for the new version.
yield this._createGithubReleaseForVersion(newVersion, versionBumpCommitSha);
// Walk through all built packages and publish them to NPM.
for (const builtPackage of builtPackages) {
yield this._publishBuiltPackageToNpm(builtPackage, npmDistTag);
}
info(green(' ✓ Published all packages successfully'));
});
}
/** Publishes the given built package to NPM with the specified NPM dist tag. */
_publishBuiltPackageToNpm(pkg, npmDistTag) {
return tslib.__awaiter(this, void 0, void 0, function* () {
debug(`Starting publish of "${pkg.name}".`);
const spinner = ora.call(undefined).start(`Publishing "${pkg.name}"`);
try {
yield runNpmPublish(pkg.outputPath, npmDistTag, this.config.publishRegistry);
spinner.stop();
info(green(` ✓ Successfully published "${pkg.name}.`));
}
catch (e) {
spinner.stop();
error(e);
error(red(` ✘ An error occurred while publishing "${pkg.name}".`));
throw new FatalReleaseActionError();
}
});
}
/** Checks whether the given commit represents a staging commit for the specified version. */
_isCommitForVersionStaging(version, commitSha) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { data } = yield this.git.github.repos.getCommit(Object.assign(Object.assign({}, this.git.remoteParams), { ref: commitSha }));
return data.commit.message.startsWith(getCommitMessageForRelease(version));
});
}
/** Verify the version of each generated package exact matches the specified version. */
_verifyPackageVersions(version, packages) {
return tslib.__awaiter(this, void 0, void 0, function* () {
for (const pkg of packages) {
const { version: packageJsonVersion } = JSON.parse(yield fs.promises.readFile(path.join(pkg.outputPath, 'package.json'), 'utf8'));
if (version.compare(packageJsonVersion) !== 0) {
error(red('The built package version does not match the version being released.'));
error(` Release Version: ${version.version}`);
error(` Generated Version: ${packageJsonVersion}`);
throw new FatalReleaseActionError();
}
}
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Release action that cuts a new patch release for an active release-train in the long-term
* support phase. The patch segment is incremented. The changelog is generated for the new
* patch version, but also needs to be cherry-picked into the next development branch.
*/
class CutLongTermSupportPatchAction extends ReleaseAction {
constructor() {
super(...arguments);
/** Promise resolving an object describing long-term support branches. */
this.ltsBranches = fetchLongTermSupportBranchesFromNpm(this.config);
}
getDescription() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { active } = yield this.ltsBranches;
return `Cut a new release for an active LTS branch (${active.length} active).`;
});
}
perform() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const ltsBranch = yield this._promptForTargetLtsBranch();
const newVersion = semverInc(ltsBranch.version, 'patch');
const { id } = yield this.checkoutBranchAndStageVersion(newVersion, ltsBranch.name);
yield this.waitForPullRequestToBeMerged(id);
yield this.buildAndPublish(newVersion, ltsBranch.name, ltsBranch.npmDistTag);
yield this.cherryPickChangelogIntoNextBranch(newVersion, ltsBranch.name);
});
}
/** Prompts the user to select an LTS branch for which a patch should but cut. */
_promptForTargetLtsBranch() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { active, inactive } = yield this.ltsBranches;
const activeBranchChoices = active.map(branch => this._getChoiceForLtsBranch(branch));
// If there are inactive LTS branches, we allow them to be selected. In some situations,
// patch releases are still cut for inactive LTS branches. e.g. when the LTS duration
// has been increased due to exceptional events ()
if (inactive.length !== 0) {
activeBranchChoices.push({ name: 'Inactive LTS versions (not recommended)', value: null });
}
const { activeLtsBranch, inactiveLtsBranch } = yield inquirer.prompt([
{
name: 'activeLtsBranch',
type: 'list',
message: 'Please select a version for which you want to cut an LTS patch',
choices: activeBranchChoices,
},
{
name: 'inactiveLtsBranch',
type: 'list',
when: o => o.activeLtsBranch === null,
message: 'Please select an inactive LTS version for which you want to cut an LTS patch',
choices: inactive.map(branch => this._getChoiceForLtsBranch(branch)),
}
]);
return activeLtsBranch !== null && activeLtsBranch !== void 0 ? activeLtsBranch : inactiveLtsBranch;
});
}
/** Gets an inquirer choice for the given LTS branch. */
_getChoiceForLtsBranch(branch) {
return { name: `v${branch.version.major} (from ${branch.name})`, value: branch };
}
static isActive(active) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// LTS patch versions can be only cut if there are release trains in LTS phase.
// This action is always selectable as we support publishing of old LTS branches,
// and have prompt for selecting an LTS branch when the action performs.
return true;
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Release action that cuts a new patch release for the current latest release-train version
* branch (i.e. the patch branch). The patch segment is incremented. The changelog is generated
* for the new patch version, but also needs to be cherry-picked into the next development branch.
*/
class CutNewPatchAction extends ReleaseAction {
constructor() {
super(...arguments);
this._newVersion = semverInc(this.active.latest.version, 'patch');
}
getDescription() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { branchName } = this.active.latest;
const newVersion = this._newVersion;
return `Cut a new patch release for the "${branchName}" branch (v${newVersion}).`;
});
}
perform() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { branchName } = this.active.latest;
const newVersion = this._newVersion;
const { id } = yield this.checkoutBranchAndStageVersion(newVersion, branchName);
yield this.waitForPullRequestToBeMerged(id);
yield this.buildAndPublish(newVersion, branchName, 'latest');
yield this.cherryPickChangelogIntoNextBranch(newVersion, branchName);
});
}
static isActive(active) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// Patch versions can be cut at any time. See:
// https://hackmd.io/2Le8leq0S6G_R5VEVTNK9A#Release-prompt-options.
return true;
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Computes the new pre-release version for the next release-train. */
function computeNewPrereleaseVersionForNext(active, config) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { version: nextVersion } = active.next;
const isNextPublishedToNpm = yield isVersionPublishedToNpm(nextVersion, config);
// Special-case where the version in the `next` release-train is not published yet. This
// happens when we recently branched off for feature-freeze. We already bump the version to
// the next minor or major, but do not publish immediately. Cutting a release immediately would
// be not helpful as there are no other changes than in the feature-freeze branch. If we happen
// to detect this case, we stage the release as usual but do not increment the version.
if (isNextPublishedToNpm) {
return semverInc(nextVersion, 'prerelease');
}
else {
return nextVersion;
}
});
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Release action that cuts a prerelease for the next branch. A version in the next
* branch can have an arbitrary amount of next pre-releases.
*/
class CutNextPrereleaseAction extends ReleaseAction {
constructor() {
super(...arguments);
/** Promise resolving with the new version if a NPM next pre-release is cut. */
this._newVersion = this._computeNewVersion();
}
getDescription() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { branchName } = this._getActivePrereleaseTrain();
const newVersion = yield this._newVersion;
return `Cut a new next pre-release for the "${branchName}" branch (v${newVersion}).`;
});
}
perform() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const releaseTrain = this._getActivePrereleaseTrain();
const { branchName } = releaseTrain;
const newVersion = yield this._newVersion;
const { id } = yield this.checkoutBranchAndStageVersion(newVersion, branchName);
yield this.waitForPullRequestToBeMerged(id);
yield this.buildAndPublish(newVersion, branchName, 'next');
// If the pre-release has been cut from a branch that is not corresponding
// to the next release-train, cherry-pick the changelog into the primary
// development branch. i.e. the `next` branch that is usually `master`.
if (releaseTrain !== this.active.next) {
yield this.cherryPickChangelogIntoNextBranch(newVersion, branchName);
}
});
}
/** Gets the release train for which NPM next pre-releases should be cut. */
_getActivePrereleaseTrain() {
var _a;
return (_a = this.active.releaseCandidate) !== null && _a !== void 0 ? _a : this.active.next;
}
/** Gets the new pre-release version for this release action. */
_computeNewVersion() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const releaseTrain = this._getActivePrereleaseTrain();
// If a pre-release is cut for the next release-train, the new version is computed
// with respect to special cases surfacing with FF/RC branches. Otherwise, the basic
// pre-release increment of the version is used as new version.
if (releaseTrain === this.active.next) {
return yield computeNewPrereleaseVersionForNext(this.active, this.config);
}
else {
return semverInc(releaseTrain.version, 'prerelease');
}
});
}
static isActive() {
return tslib.__awaiter(this, void 0, void 0, function* () {
// Pre-releases for the `next` NPM dist tag can always be cut. Depending on whether
// there is a feature-freeze/release-candidate branch, the next pre-releases are either
// cut from such a branch, or from the actual `next` release-train branch (i.e. master).
return true;
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Cuts the first release candidate for a release-train currently in the
* feature-freeze phase. The version is bumped from `next` to `rc.0`.
*/
class CutReleaseCandidateAction extends ReleaseAction {
constructor() {
super(...arguments);
this._newVersion = semverInc(this.active.releaseCandidate.version, 'prerelease', 'rc');
}
getDescription() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const newVersion = this._newVersion;
return `Cut a first release-candidate for the feature-freeze branch (v${newVersion}).`;
});
}
perform() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { branchName } = this.active.releaseCandidate;
const newVersion = this._newVersion;
const { id } = yield this.checkoutBranchAndStageVersion(newVersion, branchName);
yield this.waitForPullRequestToBeMerged(id);
yield this.buildAndPublish(newVersion, branchName, 'next');
yield this.cherryPickChangelogIntoNextBranch(newVersion, branchName);
});
}
static isActive(active) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// A release-candidate can be cut for an active release-train currently
// in the feature-freeze phase.
return active.releaseCandidate !== null &&
active.releaseCandidate.version.prerelease[0] === 'next';
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Release action that cuts a stable version for the current release-train in the release
* candidate phase. The pre-release release-candidate version label is removed.
*/
class CutStableAction extends ReleaseAction {
constructor() {
super(...arguments);
this._newVersion = this._computeNewVersion();
}
getDescription() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const newVersion = this._newVersion;
return `Cut a stable release for the release-candidate branch (v${newVersion}).`;
});
}
perform() {
var _a;
return tslib.__awaiter(this, void 0, void 0, function* () {
const { branchName } = this.active.releaseCandidate;
const newVersion = this._newVersion;
const isNewMajor = (_a = this.active.releaseCandidate) === null || _a === void 0 ? void 0 : _a.isMajor;
const { id } = yield this.checkoutBranchAndStageVersion(newVersion, branchName);
yield this.waitForPullRequestToBeMerged(id);
yield this.buildAndPublish(newVersion, branchName, 'latest');
// If a new major version is published and becomes the "latest" release-train, we need
// to set the LTS npm dist tag for the previous latest release-train (the current patch).
if (isNewMajor) {
const previousPatchVersion = this.active.latest.version;
const ltsTagForPatch = getLtsNpmDistTagOfMajor(previousPatchVersion.major);
// Instead of directly setting the NPM dist tags, we invoke the ng-dev command for
// setting the NPM dist tag to the specified version. We do this because release NPM
// packages could be different in the previous patch branch, and we want to set the
// LTS tag for all packages part of the last major. It would not be possible to set the
// NPM dist tag for new packages part of the released major, nor would it be acceptable
// to skip the LTS tag for packages which are no longer part of the new major.
yield invokeYarnInstallCommand(this.projectDir);
yield invokeSetNpmDistCommand(ltsTagForPatch, previousPatchVersion);
}
yield this.cherryPickChangelogIntoNextBranch(newVersion, branchName);
});
}
/** Gets the new stable version of the release candidate release-train. */
_computeNewVersion() {
const { version } = this.active.releaseCandidate;
return semver.parse(`${version.major}.${version.minor}.${version.patch}`);
}
static isActive(active) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// A stable version can be cut for an active release-train currently in the
// release-candidate phase. Note: It is not possible to directly release from
// feature-freeze phase into a stable version.
return active.releaseCandidate !== null &&
active.releaseCandidate.version.prerelease[0] === 'rc';
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Release action that moves the next release-train into the feature-freeze phase. This means
* that a new version branch is created from the next branch, and a new next pre-release is
* cut indicating the started feature-freeze.
*/
class MoveNextIntoFeatureFreezeAction extends ReleaseAction {
constructor() {
super(...arguments);
this._newVersion = computeNewPrereleaseVersionForNext(this.active, this.config);
}
getDescription() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { branchName } = this.active.next;
const newVersion = yield this._newVersion;
return `Move the "${branchName}" branch into feature-freeze phase (v${newVersion}).`;
});
}
perform() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const newVersion = yield this._newVersion;
const newBranch = `${newVersion.major}.${newVersion.minor}.x`;
// Branch-off the next branch into a feature-freeze branch.
yield this._createNewVersionBranchFromNext(newBranch);
// Stage the new version for the newly created branch, and push changes to a
// fork in order to create a staging pull request. Note that we re-use the newly
// created branch instead of re-fetching from the upstream.
const stagingPullRequest = yield this.stageVersionForBranchAndCreatePullRequest(newVersion, newBranch);
// Wait for the staging PR to be merged. Then build and publish the feature-freeze next
// pre-release. Finally, cherry-pick the release notes into the next branch in combination
// with bumping the version to the next minor too.
yield this.waitForPullRequestToBeMerged(stagingPullRequest.id);
yield this.buildAndPublish(newVersion, newBranch, 'next');
yield this._createNextBranchUpdatePullRequest(newVersion, newBranch);
});
}
/** Creates a new version branch from the next branch. */
_createNewVersionBranchFromNext(newBranch) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { branchName: nextBranch } = this.active.next;
yield this.verifyPassingGithubStatus(nextBranch);
yield this.checkoutUpstreamBranch(nextBranch);
yield this.createLocalBranchFromHead(newBranch);
yield this.pushHeadToRemoteBranch(newBranch);
info(green(` ✓ Version branch "${newBranch}" created.`));
});
}
/**
* Creates a pull request for the next branch that bumps the version to the next
* minor, and cherry-picks the changelog for the newly branched-off feature-freeze version.
*/
_createNextBranchUpdatePullRequest(newVersion, newBranch) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { branchName: nextBranch, version } = this.active.next;
// We increase the version for the next branch to the next minor. The team can decide
// later if they want next to be a major through the `Configure Next as Major` release action.
const newNextVersion = semver.parse(`${version.major}.${version.minor + 1}.0-next.0`);
const bumpCommitMessage = getCommitMessageForExceptionalNextVersionBump(newNextVersion);
yield this.checkoutUpstreamBranch(nextBranch);
yield this.updateProjectVersion(newNextVersion);
// Create an individual commit for the next version bump. The changelog should go into
// a separate commit that makes it clear where the changelog is cherry-picked from.
yield this.createCommit(bumpCommitMessage, [packageJsonPath]);
let nextPullRequestMessage = `The previous "next" release-train has moved into the ` +
`release-candidate phase. This PR updates the next branch to the subsequent ` +
`release-train.`;
const hasChangelogCherryPicked = yield this.createCherryPickReleaseNotesCommitFrom(newVersion, newBranch);
if (hasChangelogCherryPicked) {
nextPullRequestMessage += `\n\nAlso this PR cherry-picks the changelog for ` +
`v${newVersion} into the ${nextBranch} branch so that the changelog is up to date.`;
}
else {
error(yellow(` ✘ Could not cherry-pick release notes for v${newVersion}.`));
error(yellow(` Please copy the release note manually into "${nextBranch}".`));
}
const nextUpdatePullRequest = yield this.pushChangesToForkAndCreatePullRequest(nextBranch, `next-release-train-${newNextVersion}`, `Update next branch to reflect new release-train "v${newNextVersion}".`, nextPullRequestMessage);
info(green(` ✓ Pull request for updating the "${nextBranch}" branch has been created.`));
info(yellow(` Please ask team members to review: ${nextUpdatePullRequest.url}.`));
});
}
static isActive(active) {
return tslib.__awaiter(this, void 0, void 0, function* () {
// A new feature-freeze/release-candidate branch can only be created if there
// is no active release-train in feature-freeze/release-candidate phase.
return active.releaseCandidate === null;
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* List of release actions supported by the release staging tool. These are sorted
* by priority. Actions which are selectable are sorted based on this declaration order.
*/
const actions = [
CutStableAction,
CutReleaseCandidateAction,
CutNewPatchAction,
CutNextPrereleaseAction,
MoveNextIntoFeatureFreezeAction,
CutLongTermSupportPatchAction,
];
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var CompletionState;
(function (CompletionState) {
CompletionState[CompletionState["SUCCESS"] = 0] = "SUCCESS";
CompletionState[CompletionState["FATAL_ERROR"] = 1] = "FATAL_ERROR";
CompletionState[CompletionState["MANUALLY_ABORTED"] = 2] = "MANUALLY_ABORTED";
})(CompletionState || (CompletionState = {}));
class ReleaseTool {
constructor(_config, _github, _githubToken, _projectRoot) {
this._config = _config;
this._github = _github;
this._githubToken = _githubToken;
this._projectRoot = _projectRoot;
/** Client for interacting with the Github API and the local Git command. */
this._git = new GitClient(this._githubToken, { github: this._github }, this._projectRoot);
}
/** Runs the interactive release tool. */
run() {
return tslib.__awaiter(this, void 0, void 0, function* () {
log();
log(yellow('--------------------------------------------'));
log(yellow(' Angular Dev-Infra release staging script'));
log(yellow('--------------------------------------------'));
log();
if (!(yield this._verifyNoUncommittedChanges()) || !(yield this._verifyRunningFromNextBranch())) {
return CompletionState.FATAL_ERROR;
}
const { owner, name } = this._github;
const repo = { owner, name, api: this._git.github };
const releaseTrains = yield fetchActiveReleaseTrains(repo);
// Print the active release trains so that the caretaker can access
// the current project branching state without switching context.
yield printActiveReleaseTrains(releaseTrains, this._config);
const action = yield this._promptForReleaseAction(releaseTrains);
const previousGitBranchOrRevision = this._git.getCurrentBranchOrRevision();
try {
yield action.perform();
}
catch (e) {
if (e instanceof UserAbortedReleaseActionError) {
return CompletionState.MANUALLY_ABORTED;
}
// Only print the error message and stack if the error is not a known fatal release
// action error (for which we print the error gracefully to the console with colors).
if (!(e instanceof FatalReleaseActionError) && e instanceof Error) {
console.error(e);
}
return CompletionState.FATAL_ERROR;
}
finally {
this._git.checkout(previousGitBranchOrRevision, true);
}
return CompletionState.SUCCESS;
});
}
/** Prompts the caretaker for a release action that should be performed. */
_promptForReleaseAction(activeTrains) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const choices = [];
// Find and instantiate all release actions which are currently valid.
for (let actionType of actions) {
if (yield actionType.isActive(activeTrains)) {
const action = new actionType(activeTrains, this._git, this._config, this._projectRoot);
choices.push({ name: yield action.getDescription(), value: action });
}
}
info('Please select the type of release you want to perform.');
const { releaseAction } = yield inquirer.prompt({
name: 'releaseAction',
message: 'Please select an action:',
type: 'list',
choices,
});
return releaseAction;
});
}
/**
* Verifies that there are no uncommitted changes in the project.
* @returns a boolean indicating success or failure.
*/
_verifyNoUncommittedChanges() {
return tslib.__awaiter(this, void 0, void 0, function* () {
if (this._git.hasUncommittedChanges()) {
error(red(' ✘ There are changes which are not committed and should be discarded.'));
return false;
}
return true;
});
}
/**
* Verifies that the next branch from the configured repository is checked out.
* @returns a boolean indicating success or failure.
*/
_verifyRunningFromNextBranch() {
return tslib.__awaiter(this, void 0, void 0, function* () {
const headSha = this._git.run(['rev-parse', 'HEAD']).stdout.trim();
const { data } = yield this._git.github.repos.getBranch(Object.assign(Object.assign({}, this._git.remoteParams), { branch: nextBranchName }));
if (headSha !== data.commit.sha) {
error(red(' ✘ Running release tool from an outdated local branch.'));
error(red(` Please make sure you are running from the "${nextBranchName}" branch.`));
return false;
}
return true;
});
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Yargs command builder for configuring the `ng-dev release publish` command. */
function builder$8(argv) {
return addGithubTokenOption(argv);
}
/** Yargs command handler for staging a release. */
function handler$8(args) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const config = getConfig();
const releaseConfig = getReleaseConfig(config);
const projectDir = getRepoBaseDir();
const task = new ReleaseTool(releaseConfig, config.github, args.githubToken, projectDir);
const result = yield task.run();
switch (result) {
case CompletionState.FATAL_ERROR:
error(red(`Release action has been aborted due to fatal errors. See above.`));
process.exitCode = 1;
break;
case CompletionState.MANUALLY_ABORTED:
info(yellow(`Release action has been manually aborted.`));
break;
case CompletionState.SUCCESS:
info(green(`Release action has completed successfully.`));
break;
}
});
}
/** CLI command module for publishing a release. */
const ReleasePublishCommandModule = {
builder: builder$8,
handler: handler$8,
command: 'publish',
describe: 'Publish new releases and configure version branches.',
};
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
function builder$9(args) {
return args
.positional('tagName', {
type: 'string',
demandOption: true,
description: 'Name of the NPM dist tag.',
})
.positional('targetVersion', {
type: 'string',
demandOption: true,
description: 'Version to which the dist tag should be set.'
});
}
/** Yargs command handler for building a release. */
function handler$9(args) {
return tslib.__awaiter(this, void 0, void 0, function* () {
const { targetVersion: rawVersion, tagName } = args;
const { npmPackages, publishRegistry } = getReleaseConfig();
const version = semver.parse(rawVersion);
if (version === null) {
error(red(`Invalid version specified (${rawVersion}). Unable to set NPM dist tag.`));
process.exit(1);
}
const spinner = ora.call(undefined).start();
debug(`Setting "${tagName}" NPM dist tag for release packages to v${version}.`);
for (const pkgName of npmPackages) {
spinner.text = `Setting NPM dist tag for "${pkgName}"`;
spinner.render();
try {
yield setNpmTagForPackage(pkgName, tagName, version, publishRegistry);
debug(`Successfully set "${tagName}" NPM dist tag for "${pkgName}".`);
}
catch (e) {
spinner.stop();
error(e);
error(red(` ✘ An error occurred while setting the NPM dist tag for "${pkgName}".`));
process.exit(1);
}
}
spinner.stop();
info(green(` ✓ Set NPM dist tag for all release packages.`));
info(green(` ${bold(tagName)} will now point to ${bold(`v${version}`)}.`));
});
}
/** CLI command module for setting an NPM dist tag. */
const ReleaseSetDistTagCommand = {
builder: builder$9,
handler: handler$9,
command: 'set-dist-tag <tag-name> <target-version>',
describe: 'Sets a given NPM dist tag for all release packages.',
};
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Log the environment variables expected by bazel for stamping.
*
* See the section on stamping in docs / BAZEL.md
*
* This script must be a NodeJS script in order to be cross-platform.
* See https://github.com/bazelbuild/bazel/issues/5958
* Note: git operations, especially git status, take a long time inside mounted docker volumes
* in Windows or OSX hosts (https://github.com/docker/for-win/issues/188).
*/
function buildEnvStamp() {
console.info(`BUILD_SCM_BRANCH ${getCurrentBranch()}`);
console.info(`BUILD_SCM_COMMIT_SHA ${getCurrentSha()}`);
console.info(`BUILD_SCM_HASH ${getCurrentSha()}`);
console.info(`BUILD_SCM_LOCAL_CHANGES ${hasLocalChanges()}`);
console.info(`BUILD_SCM_USER ${getCurrentGitUser()}`);
console.info(`BUILD_SCM_VERSION ${getSCMVersion()}`);
process.exit(0);
}
/** Run the exec command and return the stdout as a trimmed string. */
function exec$1(cmd) {
return exec(cmd).trim();
}
/** Whether the repo has local changes. */
function hasLocalChanges() {
return !!exec$1(`git status --untracked-files=no --porcelain`);
}
/** Get the version based on the most recent semver tag. */
function getSCMVersion() {
const version = exec$1(`git describe --match [0-9]*.[0-9]*.[0-9]* --abbrev=7 --tags HEAD`);
return `${version.replace(/-([0-9]+)-g/, '+$1.sha-')}${(hasLocalChanges() ? '.with-local-changes' : '')}`;
}
/** Get the current SHA of HEAD. */
function getCurrentSha() {
return exec$1(`git rev-parse HEAD`);
}
/** Get the currently checked out branch. */
function getCurrentBranch() {
return exec$1(`git symbolic-ref --short HEAD`);
}
/** Get the current git user based on the git config. */
function getCurrentGitUser() {
const userName = exec$1(`git config user.name`);
const userEmail = exec$1(`git config user.email`);
return `${userName} <${userEmail}>`;
}
/** Build the parser for the release commands. */
function buildReleaseParser(localYargs) {
return localYargs.help()
.strict()
.demandCommand()
.command(ReleasePublishCommandModule)
.command(ReleaseBuildCommandModule)
.command(ReleaseSetDistTagCommand)
.command('build-env-stamp', 'Build the environment stamping information', {}, () => buildEnvStamp());
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Gets the status of the specified file. Returns null if the file does not exist. */
function getFileStatus(filePath) {
try {
return fs.statSync(filePath);
}
catch (_a) {
return null;
}
}
/** Ensures that the specified path uses forward slashes as delimiter. */
function convertPathToForwardSlash(path) {
return path.replace(/\\/g, '/');
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Finds all module references in the specified source file.
* @param node Source file which should be parsed.
* @returns List of import specifiers in the source file.
*/
function getModuleReferences(node) {
const references = [];
const visitNode = (node) => {
if ((ts.isImportDeclaration(node) || ts.isExportDeclaration(node)) &&
node.moduleSpecifier !== undefined && ts.isStringLiteral(node.moduleSpecifier)) {
references.push(node.moduleSpecifier.text);
}
ts.forEachChild(node, visitNode);
};
ts.forEachChild(node, visitNode);
return references;
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/** Default extensions that the analyzer uses for resolving imports. */
const DEFAULT_EXTENSIONS = ['ts', 'js', 'd.ts'];
/**
* Analyzer that can be used to detect import cycles within source files. It supports
* custom module resolution, source file caching and collects unresolved specifiers.
*/
class Analyzer {
constructor(resolveModuleFn, extensions = DEFAULT_EXTENSIONS) {
this.resolveModuleFn = resolveModuleFn;
this.extensions = extensions;
this._sourceFileCache = new Map();
this.unresolvedModules = new Set();
this.unresolvedFiles = new Map();
}
/** Finds all cycles in the specified source file. */
findCycles(sf, visited = new WeakSet(), path = []) {
const previousIndex = path.indexOf(sf);
// If the given node is already part of the current path, then a cycle has
// been found. Add the reference chain which represents the cycle to the results.
if (previousIndex !== -1) {
return [path.slice(previousIndex)];
}
// If the node has already been visited, then it's not necessary to go check its edges
// again. Cycles would have been already detected and collected in the first check.
if (visited.has(sf)) {
return [];
}
path.push(sf);
visited.add(sf);
// Go through all edges, which are determined through import/exports, and collect cycles.
const result = [];
for (const ref of getModuleReferences(sf)) {
const targetFile = this._resolveImport(ref, sf.fileName);
if (targetFile !== null) {
result.push(...this.findCycles(this.getSourceFile(targetFile), visited, path.slice()));
}
}
return result;
}
/** Gets the TypeScript source file of the specified path. */
getSourceFile(filePath) {
const resolvedPath = path.resolve(filePath);
if (this._sourceFileCache.has(resolvedPath)) {
return this._sourceFileCache.get(resolvedPath);
}
const fileContent = fs.readFileSync(resolvedPath, 'utf8');
const sourceFile = ts.createSourceFile(resolvedPath, fileContent, ts.ScriptTarget.Latest, false);
this._sourceFileCache.set(resolvedPath, sourceFile);
return sourceFile;
}
/** Resolves the given import specifier with respect to the specified containing file path. */
_resolveImport(specifier, containingFilePath) {
if (specifier.charAt(0) === '.') {
const resolvedPath = this._resolveFileSpecifier(specifier, containingFilePath);
if (resolvedPath === null) {
this._trackUnresolvedFileImport(specifier, containingFilePath);
}
return resolvedPath;
}
if (this.resolveModuleFn) {
const targetFile = this.resolveModuleFn(specifier);
if (targetFile !== null) {
const resolvedPath = this._resolveFileSpecifier(targetFile);
if (resolvedPath !== null) {
return resolvedPath;
}
}
}
this.unresolvedModules.add(specifier);
return null;
}
/** Tracks the given file import as unresolved. */
_trackUnresolvedFileImport(specifier, originFilePath) {
if (!this.unresolvedFiles.has(originFilePath)) {
this.unresolvedFiles.set(originFilePath, [specifier]);
}
this.unresolvedFiles.get(originFilePath).push(specifier);
}
/** Resolves the given import specifier to the corresponding source file. */
_resolveFileSpecifier(specifier, containingFilePath) {
const importFullPath = containingFilePath !== undefined ? path.join(path.dirname(containingFilePath), specifier) : specifier;
const stat = getFileStatus(importFullPath);
if (stat && stat.isFile()) {
return importFullPath;
}
for (const extension of this.extensions) {
const pathWithExtension = `${importFullPath}.${extension}`;
const stat = getFileStatus(pathWithExtension);
if (stat && stat.isFile()) {
return pathWithExtension;
}
}
// Directories should be considered last. TypeScript first looks for source files, then
// falls back to directories if no file with appropriate extension could be found.
if (stat && stat.isDirectory()) {
return this._resolveFileSpecifier(path.join(importFullPath, 'index'));
}
return null;
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Loads the configuration for the circular dependencies test. If the config cannot be
* loaded, an error will be printed and the process exists with a non-zero exit code.
*/
function loadTestConfig(configPath) {
const configBaseDir = path.dirname(configPath);
const resolveRelativePath = (relativePath) => path.resolve(configBaseDir, relativePath);
try {
const config = require(configPath);
if (!path.isAbsolute(config.baseDir)) {
config.baseDir = resolveRelativePath(config.baseDir);
}
if (!path.isAbsolute(config.goldenFile)) {
config.goldenFile = resolveRelativePath(config.goldenFile);
}
if (!path.isAbsolute(config.glob)) {
config.glob = resolveRelativePath(config.glob);
}
return config;
}
catch (e) {
error('Could not load test configuration file at: ' + configPath);
error(`Failed with: ${e.message}`);
process.exit(1);
}
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* Converts a list of reference chains to a JSON-compatible golden object. Reference chains
* by default use TypeScript source file objects. In order to make those chains printable,
* the source file objects are mapped to their relative file names.
*/
function convertReferenceChainToGolden(refs, baseDir) {
return refs
.map(
// Normalize cycles as the paths can vary based on which node in the cycle is visited
// first in the analyzer. The paths represent cycles. Hence we can shift nodes in a
// deterministic way so that the goldens don't change unnecessarily and cycle comparison
// is simpler.
chain => normalizeCircularDependency(chain.map(({ fileName }) => convertPathToForwardSlash(path.relative(baseDir, fileName)))))
// Sort cycles so that the golden doesn't change unnecessarily when cycles are detected
// in different order (e.g. new imports cause cycles to be detected earlier or later).
.sort(compareCircularDependency);
}
/**
* Compares the specified goldens and returns two lists that describe newly
* added circular dependencies, or fixed circular dependencies.
*/
function compareGoldens(actual, expected) {
const newCircularDeps = [];
const fixedCircularDeps = [];
actual.forEach(a => {
if (!expected.find(e => isSameCircularDependency(a, e))) {
newCircularDeps.push(a);
}
});
expected.forEach(e => {
if (!actual.find(a => isSameCircularDependency(e, a))) {
fixedCircularDeps.push(e);
}
});
return { newCircularDeps, fixedCircularDeps };
}
/**
* Normalizes the a circular dependency by ensuring that the path starts with the first
* node in alphabetical order. Since the path array represents a cycle, we can make a
* specific node the first element in the path that represents the cycle.
*
* This method is helpful because the path of circular dependencies changes based on which
* file in the path has been visited first by the analyzer. e.g. Assume we have a circular
* dependency represented as: `A -> B -> C`. The analyzer will detect this cycle when it
* visits `A`. Though when a source file that is analyzed before `A` starts importing `B`,
* the cycle path will detected as `B -> C -> A`. This represents the same cycle, but is just
* different due to a limitation of using a data structure that can be written to a text-based
* golden file.
*
* To account for this non-deterministic behavior in goldens, we shift the circular
* dependency path to the first node based on alphabetical order. e.g. `A` will always
* be the first node in the path that represents the cycle.
*/
function normalizeCircularDependency(path) {
if (path.length <= 1) {
return path;
}
let indexFirstNode = 0;
let valueFirstNode = path[0];
// Find a node in the cycle path that precedes all other elements
// in terms of alphabetical order.
for (let i = 1; i < path.length; i++) {
const value = path[i];
if (value.localeCompare(valueFirstNode, 'en') < 0) {
indexFirstNode = i;
valueFirstNode = value;
}
}
// If the alphabetically first node is already at start of the path, just
// return the actual path as no changes need to be made.
if (indexFirstNode === 0) {
return path;
}
// Move the determined first node (as of alphabetical order) to the start of a new
// path array. The nodes before the first node in the old path are then concatenated
// to the end of the new path. This is possible because the path represents a cycle.
return [...path.slice(indexFirstNode), ...path.slice(0, indexFirstNode)];
}
/** Checks whether the specified circular dependencies are equal. */
function isSameCircularDependency(actual, expected) {
if (actual.length !== expected.length) {
return false;
}
for (let i = 0; i < actual.length; i++) {
if (actual[i] !== expected[i]) {
return false;
}
}
return true;
}
/**
* Compares two circular dependencies by respecting the alphabetic order of nodes in the
* cycle paths. The first nodes which don't match in both paths are decisive on the order.
*/
function compareCircularDependency(a, b) {
// Go through nodes in both cycle paths and determine whether `a` should be ordered
// before `b`. The first nodes which don't match decide on the order.
for (let i = 0; i < Math.min(a.length, b.length); i++) {
const compareValue = a[i].localeCompare(b[i], 'en');
if (compareValue !== 0) {
return compareValue;
}
}
// If all nodes are equal in the cycles, the order is based on the length of both cycles.
return a.length - b.length;
}
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
function tsCircularDependenciesBuilder(localYargs) {
return localYargs.help()
.strict()
.demandCommand()
.option('config', { type: 'string', demandOption: true, description: 'Path to the configuration file.' })
.option('warnings', { type: 'boolean', description: 'Prints all warnings.' })
.command('check', 'Checks if the circular dependencies have changed.', args => args, argv => {
const { config: configArg, warnings } = argv;
const configPath = path.isAbsolute(configArg) ? configArg : path.resolve(configArg);
const config = loadTestConfig(configPath);
process.exit(main(false, config, !!warnings));
})
.command('approve', 'Approves the current circular dependencies.', args => args, argv => {
const { config: configArg, warnings } = argv;
const configPath = path.isAbsolute(configArg) ? configArg : path.resolve(configArg);
const config = loadTestConfig(configPath);
process.exit(main(true, config, !!warnings));
});
}
/**
* Runs the ts-circular-dependencies tool.
* @param approve Whether the detected circular dependencies should be approved.
* @param config Configuration for the current circular dependencies test.
* @param printWarnings Whether warnings should be printed out.
* @returns Status code.
*/
function main(approve, config, printWarnings) {
const { baseDir, goldenFile, glob: glob$1, resolveModule, approveCommand } = config;
const analyzer = new Analyzer(resolveModule);
const cycles = [];
const checkedNodes = new WeakSet();
glob.sync(glob$1, { absolute: true }).forEach(filePath => {
const sourceFile = analyzer.getSourceFile(filePath);
cycles.push(...analyzer.findCycles(sourceFile, checkedNodes));
});
const actual = convertReferenceChainToGolden(cycles, baseDir);
info(green(` Current number of cycles: ${yellow(cycles.length.toString())}`));
if (approve) {
fs.writeFileSync(goldenFile, JSON.stringify(actual, null, 2));
info(green('✅ Updated golden file.'));
return 0;
}
else if (!fs.existsSync(goldenFile)) {
error(red(`❌ Could not find golden file: ${goldenFile}`));
return 1;
}
const warningsCount = analyzer.unresolvedFiles.size + analyzer.unresolvedModules.size;
// By default, warnings for unresolved files or modules are not printed. This is because
// it's common that third-party modules are not resolved/visited. Also generated files
// from the View Engine compiler (i.e. factories, summaries) cannot be resolved.
if (printWarnings && warningsCount !== 0) {
info(yellow('⚠ The following imports could not be resolved:'));
Array.from(analyzer.unresolvedModules).sort().forEach(specifier => info(`${specifier}`));
analyzer.unresolvedFiles.forEach((value, key) => {
info(`${getRelativePath(baseDir, key)}`);
value.sort().forEach(specifier => info(` ${specifier}`));
});
}
else {
info(yellow(`${warningsCount} imports could not be resolved.`));
info(yellow(` Please rerun with "--warnings" to inspect unresolved imports.`));
}
const expected = JSON.parse(fs.readFileSync(goldenFile, 'utf8'));
const { fixedCircularDeps, newCircularDeps } = compareGoldens(actual, expected);
const isMatching = fixedCircularDeps.length === 0 && newCircularDeps.length === 0;
if (isMatching) {
info(green('✅ Golden matches current circular dependencies.'));
return 0;
}
error(red('❌ Golden does not match current circular dependencies.'));
if (newCircularDeps.length !== 0) {
error(yellow(` New circular dependencies which are not allowed:`));
newCircularDeps.forEach(c => error(`${convertReferenceChainToString(c)}`));
error();
}
if (fixedCircularDeps.length !== 0) {
error(yellow(` Fixed circular dependencies that need to be removed from the golden:`));
fixedCircularDeps.forEach(c => error(`${convertReferenceChainToString(c)}`));
info(yellow(`\n Total: ${newCircularDeps.length} new cycle(s), ${fixedCircularDeps.length} fixed cycle(s). \n`));
if (approveCommand) {
info(yellow(` Please approve the new golden with: ${approveCommand}`));
}
else {
info(yellow(` Please update the golden. The following command can be ` +
`run: yarn ts-circular-deps approve ${getRelativePath(process.cwd(), goldenFile)}.`));
}
}
return 1;
}
/** Gets the specified path relative to the base directory. */
function getRelativePath(baseDir, path$1) {
return convertPathToForwardSlash(path.relative(baseDir, path$1));
}
/** Converts the given reference chain to its string representation. */
function convertReferenceChainToString(chain) {
return chain.join(' → ');
}
yargs.scriptName('ng-dev')
.middleware(captureLogOutputForCommand)
.demandCommand()
.recommendCommands()
.command('commit-message <command>', '', buildCommitMessageParser)
.command('format <command>', '', buildFormatParser)
.command('pr <command>', '', buildPrParser)
.command('pullapprove <command>', '', buildPullapproveParser)
.command('release <command>', '', buildReleaseParser)
.command('ts-circular-deps <command>', '', tsCircularDependenciesBuilder)
.command('caretaker <command>', '', buildCaretakerParser)
.command('ngbot <command>', false, buildNgbotParser)
.wrap(120)
.strict()
.parse();