82 lines
2.7 KiB
TypeScript
82 lines
2.7 KiB
TypeScript
// Imports
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import * as fs from 'fs';
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import * as path from 'path';
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import * as shell from 'shelljs';
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import {HIDDEN_DIR_PREFIX} from '../common/constants';
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import {GithubPullRequests} from '../common/github-pull-requests';
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import {assertNotMissingOrEmpty} from '../common/utils';
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// Classes
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export class BuildCleaner {
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// Constructor
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constructor(protected buildsDir: string, protected repoSlug: string, protected githubToken: string) {
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assertNotMissingOrEmpty('buildsDir', buildsDir);
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assertNotMissingOrEmpty('repoSlug', repoSlug);
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assertNotMissingOrEmpty('githubToken', githubToken);
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}
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// Methods - Public
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public cleanUp(): Promise<void> {
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return Promise.all([
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this.getExistingBuildNumbers(),
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this.getOpenPrNumbers(),
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]).then(([existingBuilds, openPrs]) => this.removeUnnecessaryBuilds(existingBuilds, openPrs));
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}
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// Methods - Protected
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protected getExistingBuildNumbers(): Promise<number[]> {
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return new Promise((resolve, reject) => {
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fs.readdir(this.buildsDir, (err, files) => {
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if (err) {
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return reject(err);
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}
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const buildNumbers = files.
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map(name => name.replace(HIDDEN_DIR_PREFIX, '')). // Remove the "hidden dir" prefix
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map(Number). // Convert string to number
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filter(Boolean); // Ignore NaN (or 0), because they are not builds
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resolve(buildNumbers);
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});
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});
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}
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protected getOpenPrNumbers(): Promise<number[]> {
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const githubPullRequests = new GithubPullRequests(this.githubToken, this.repoSlug);
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return githubPullRequests.
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fetchAll('open').
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then(prs => prs.map(pr => pr.number));
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}
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protected removeDir(dir: string) {
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try {
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if (shell.test('-d', dir)) {
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// Undocumented signature (see https://github.com/shelljs/shelljs/pull/663).
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(shell as any).chmod('-R', 'a+w', dir);
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shell.rm('-rf', dir);
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}
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} catch (err) {
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console.error(`ERROR: Unable to remove '${dir}' due to:`, err);
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}
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}
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protected removeUnnecessaryBuilds(existingBuildNumbers: number[], openPrNumbers: number[]) {
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const toRemove = existingBuildNumbers.filter(num => !openPrNumbers.includes(num));
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console.log(`Existing builds: ${existingBuildNumbers.length}`);
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console.log(`Open pull requests: ${openPrNumbers.length}`);
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console.log(`Removing ${toRemove.length} build(s): ${toRemove.join(', ')}`);
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// Try removing public dirs.
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toRemove.
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map(num => path.join(this.buildsDir, String(num))).
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forEach(dir => this.removeDir(dir));
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// Try removing hidden dirs.
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toRemove.
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map(num => path.join(this.buildsDir, HIDDEN_DIR_PREFIX + String(num))).
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forEach(dir => this.removeDir(dir));
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}
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}
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