219 строки
8.1 KiB
JavaScript
219 строки
8.1 KiB
JavaScript
const fs = require('fs');
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const os = require('os');
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const path = require('path');
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const spawn = require('child_process').spawn;
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const debug = require('debug')('flakiness');
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const rmAsync = promisify(require('rimraf'));
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const mkdtempAsync = promisify(fs.mkdtemp);
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const readFileAsync = promisify(fs.readFile);
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const writeFileAsync = promisify(fs.writeFile);
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const TMP_FOLDER = path.join(os.tmpdir(), 'flakiness_tmp_folder-');
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const RED_COLOR = '\x1b[31m';
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const GREEN_COLOR = '\x1b[32m';
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const YELLOW_COLOR = '\x1b[33m';
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const RESET_COLOR = '\x1b[0m';
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const DASHBOARD_VERSION = 1;
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const DASHBOARD_FILENAME = 'dashboard.json';
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const DASHBOARD_MAX_BUILDS = 100;
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class FlakinessDashboard {
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static async getCommitDetails(repoPath, ref = 'HEAD') {
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const {stdout: timestamp} = await spawnAsyncOrDie('git', 'show', '-s', '--format=%ct', ref, {cwd: repoPath});
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const {stdout: sha} = await spawnAsyncOrDie('git', 'rev-parse', ref, {cwd: repoPath});
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return {timestamp: timestamp * 1000, sha: sha.trim()};
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}
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constructor({build, commit, dashboardRepo}) {
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if (!commit)
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throw new Error('"options.commit" must be specified!');
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if (!commit.sha)
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throw new Error('"options.commit.sha" must be specified!');
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if (!commit.timestamp)
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throw new Error('"options.commit.timestamp" must be specified!');
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if (!build)
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throw new Error('"options.build" must be specified!');
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if (!build.url)
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throw new Error('"options.build.url" must be specified!');
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if (!dashboardRepo.branch)
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throw new Error('"options.dashboardRepo.branch" must be specified!');
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this._dashboardRepo = dashboardRepo;
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this._build = new Build(Date.now(), build.url, commit, []);
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}
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reportTestResult(test) {
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this._build._tests.push(test);
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}
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setBuildResult(result) {
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this._build._result = result;
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}
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async uploadAndCleanup() {
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console.log(`\n${YELLOW_COLOR}=== UPLOADING Flakiness Dashboard${RESET_COLOR}`);
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const startTimestamp = Date.now();
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const branch = this._dashboardRepo.branch.toLowerCase().replace(/\s/g, '-').replace(/[^-0-9a-zа-яё]/ig, '');
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console.log(` > Dashboard URL: ${this._dashboardRepo.url}`);
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console.log(` > Dashboard Branch: ${branch}`);
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const git = await Git.initialize(this._dashboardRepo.url, branch, this._dashboardRepo.username, this._dashboardRepo.email, this._dashboardRepo.password);
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console.log(` > Dashboard Checkout: ${git.path()}`);
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// Do at max 7 attempts to upload changes to github.
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let success = false;
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const MAX_ATTEMPTS = 7;
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for (let i = 0; !success && i < MAX_ATTEMPTS; ++i) {
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await saveBuildToDashboard(git.path(), this._build);
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// if push went through - great! We're done!
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if (await git.commitAllAndPush(`update dashboard\n\nbuild: ${this._build._url}`)) {
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success = true;
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console.log(` > Push attempt ${YELLOW_COLOR}${i + 1}${RESET_COLOR} of ${YELLOW_COLOR}${MAX_ATTEMPTS}${RESET_COLOR}: ${GREEN_COLOR}SUCCESS${RESET_COLOR}`);
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} else {
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// Otherwise - wait random time between 3 and 11 seconds.
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const cooldown = 3000 + Math.round(Math.random() * 1000) * 8;
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console.log(` > Push attempt ${YELLOW_COLOR}${i + 1}${RESET_COLOR} of ${YELLOW_COLOR}${MAX_ATTEMPTS}${RESET_COLOR}: ${RED_COLOR}FAILED${RESET_COLOR}, cooldown ${YELLOW_COLOR}${cooldown / 1000}${RESET_COLOR} seconds`);
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await new Promise(x => setTimeout(x, cooldown));
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// Reset our generated dashboard and pull from origin.
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await git.hardResetToOriginMaster();
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await git.pullFromOrigin();
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}
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}
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await rmAsync(git.path());
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console.log(` > TOTAL TIME: ${YELLOW_COLOR}${(Date.now() - startTimestamp) / 1000}${RESET_COLOR} seconds`);
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if (success)
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console.log(`${YELLOW_COLOR}=== COMPLETE${RESET_COLOR}`);
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else
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console.log(`${RED_COLOR}=== FAILED${RESET_COLOR}`);
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console.log('');
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}
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}
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async function saveBuildToDashboard(dashboardPath, build) {
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const filePath = path.join(dashboardPath, DASHBOARD_FILENAME);
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let data = null;
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try {
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data = JSON.parse(await readFileAsync(filePath));
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} catch (e) {
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// Looks like there's no dashboard yet - create one.
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data = {builds: []};
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}
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if (!data.builds)
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throw new Error('Unrecognized dashboard format!');
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data.builds.push({
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version: DASHBOARD_VERSION,
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result: build._result,
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timestamp: build._timestamp,
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url: build._url,
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commit: build._commit,
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tests: build._tests,
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});
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if (data.builds.length > DASHBOARD_MAX_BUILDS)
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data.builds = data.builds.slice(data.builds.length - DASHBOARD_MAX_BUILDS);
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await writeFileAsync(filePath, JSON.stringify(data));
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}
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class Build {
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constructor(timestamp, url, commit, tests) {
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this._timestamp = timestamp;
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this._url = url;
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this._commit = commit;
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this._tests = tests;
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this._result = undefined;
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}
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}
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module.exports = {FlakinessDashboard};
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function promisify(nodeFunction) {
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function promisified(...args) {
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return new Promise((resolve, reject) => {
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function callback(err, ...result) {
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if (err)
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return reject(err);
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if (result.length === 1)
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return resolve(result[0]);
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return resolve(result);
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}
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nodeFunction.call(null, ...args, callback);
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});
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}
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return promisified;
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}
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class Git {
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static async initialize(url, branch, username, email, password) {
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let schemeIndex = url.indexOf('://');
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if (schemeIndex === -1)
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throw new Error(`Malformed URL "${url}": expected to start with "https://"`);
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schemeIndex += '://'.length;
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url = url.substring(0, schemeIndex) + username + ':' + password + '@' + url.substring(schemeIndex);
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const repoPath = await mkdtempAsync(TMP_FOLDER);
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// Check existence of a remote branch for this bot.
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const {stdout} = await spawnAsync('git', 'ls-remote', '--heads', url, branch);
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// If there is no remote branch for this bot - create one.
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if (!stdout.includes(branch)) {
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await spawnAsyncOrDie('git', 'clone', '--no-checkout', '--depth=1', url, repoPath);
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await spawnAsyncOrDie('git', 'checkout', '--orphan', branch, {cwd: repoPath});
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await spawnAsyncOrDie('git', 'reset', '--hard', {cwd: repoPath});
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} else {
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await spawnAsyncOrDie('git', 'clone', '--single-branch', '--branch', `${branch}`, '--depth=1', url, repoPath);
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}
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await spawnAsyncOrDie('git', 'config', 'user.email', `"${email}"`, {cwd: repoPath});
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await spawnAsyncOrDie('git', 'config', 'user.name', `"${username}"`, {cwd: repoPath});
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return new Git(repoPath, url, branch, username);
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}
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async commitAllAndPush(message) {
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await spawnAsyncOrDie('git', 'add', '.', {cwd: this._repoPath});
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await spawnAsyncOrDie('git', 'commit', '-m', `${message}`, '--author', '"playwright-flakiness <aslushnikov+playwrightflakiness@gmail.com>"', {cwd: this._repoPath});
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const {code} = await spawnAsync('git', 'push', 'origin', this._branch, {cwd: this._repoPath});
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return code === 0;
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}
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async hardResetToOriginMaster() {
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await spawnAsyncOrDie('git', 'reset', '--hard', `origin/${this._branch}`, {cwd: this._repoPath});
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}
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async pullFromOrigin() {
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await spawnAsyncOrDie('git', 'pull', 'origin', this._branch, {cwd: this._repoPath});
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}
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constructor(repoPath, url, branch, username) {
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this._repoPath = repoPath;
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this._url = url;
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this._branch = branch;
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this._username = username;
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}
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path() {
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return this._repoPath;
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}
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}
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async function spawnAsync(command, ...args) {
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let options = {};
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if (args.length && args[args.length - 1].constructor.name !== 'String')
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options = args.pop();
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const cmd = spawn(command, args, options);
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let stdout = '';
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let stderr = '';
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cmd.stdout.on('data', data => stdout += data);
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cmd.stderr.on('data', data => stderr += data);
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const code = await new Promise(x => cmd.once('close', x));
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if (stdout)
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debug(stdout);
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if (stderr)
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debug(stderr);
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return {code, stdout, stderr};
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}
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async function spawnAsyncOrDie(command, ...args) {
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const {code, stdout, stderr} = await spawnAsync(command, ...args);
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if (code !== 0)
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throw new Error(`Failed to executed: "${command} ${args.join(' ')}".\n\n=== STDOUT ===\n${stdout}\n\n\n=== STDERR ===\n${stderr}`);
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return {stdout, stderr};
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}
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