angular-cn/dev-infra/commit-message/restore-commit-message/cli.ts

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/**
* @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
*/
import {Arguments, Argv, CommandModule} from 'yargs';
import {CommitMsgSource} from '../commit-message-source';
import {restoreCommitMessage} from './restore-commit-message';
export interface RestoreCommitMessageOptions {
fileEnvVariable: string[];
}
/** Builds the command. */
function builder(yargs: Argv) {
return yargs.option('file-env-variable' as 'fileEnvVariable', {
type: 'string',
array: true,
demandOption: true,
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',
coerce: arg => {
const [file, source] = (process.env[arg] || '').split(' ');
if (!file) {
throw new Error(`Provided environment variable "${arg}" was not found.`);
}
return [file, source];
},
});
}
/** Handles the command. */
async function handler({fileEnvVariable}: Arguments<RestoreCommitMessageOptions>) {
restoreCommitMessage(fileEnvVariable[0], fileEnvVariable[1] as CommitMsgSource);
}
/** yargs command module describing the command. */
export const RestoreCommitMessageModule: CommandModule<{}, RestoreCommitMessageOptions> = {
handler,
builder,
command: 'restore-commit-message-draft',
// 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,
};