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#!/usr/bin/env node

'use strict';

/* eslint-disable no-console */

const spawnSync = require( 'child_process').spawnSync;

const fs = require('fs');

const temp = require('temp');

const { blue, green, gray } = require('chalk');

const path = require('path');

const glob = require('glob');

const cliBuilds = 'https://github.com/angular/cli-builds.git';

const ngToolsWebpackBuilds = 'https://github.com/angular/ngtools-webpack-builds.git';

class Executor {

constructor(cwd) {

this._cwd = cwd;

}

execute(command, ...args) {

args = args.filter(x => x !== undefined);

console.log(blue(`Running \`${command} ${args.map(x => `"${x}"`).join(' ')}\`...`));

console.log(blue(`CWD: ${this._cwd}`));

const runCommand = spawnSync(command, args, { cwd: this._cwd });

if (runCommand.status === 0) {

console.log(gray(runCommand.stdout.toString()));

return runCommand.stdout.toString();

} else {

throw new Error(

`Command returned status ${runCommand.status}. Details:\n${runCommand.stderr}`);

}

git(...args) {

return this.execute('git', ...args);

}

npm(...args) {

return this.execute('npm', ...args);

}

rm(...args) {

return this.execute('rm', ...args);

}

glob(pattern, options) {

return glob.sync(pattern, Object.assign({}, options || {}, { cwd: this._cwd }));

}

cp(root, destRoot) {

function mkdirp(p) {

if (fs.existsSync(p)) {

return;

}

mkdirp(path.dirname(p));

fs.mkdirSync(p);

}

this.glob(path.join(root, '**/*'), { nodir: true })

.forEach(name => {

const src = name;

const dest = path.join(destRoot, src.substr(root.length));

mkdirp(path.dirname(dest));

fs.writeFileSync(dest, fs.readFileSync(src));

});

}

read(p) {

return fs.readFileSync(path.join(this._cwd, p), 'utf-8');

}

write(p, content) {

fs.writeFileSync(path.join(this._cwd, p), content);

}

updateVersion(hash) {

const packageJson = JSON.parse(this.read('package.json'));

packageJson.version = `${packageJson.version}-${hash}`;

this.write('package.json', JSON.stringify(packageJson, null, 2));

}

updateDependencies(hash) {

const packageJson = JSON.parse(this.read('package.json'));

packageJson.dependencies['@ngtools/webpack'] = ngToolsWebpackBuilds + '#' + hash;

this.write('package.json', JSON.stringify(packageJson, null, 2));

}

function main() {

const cliPath = process.cwd();

const cliExec = new Executor(cliPath);

const tempRoot = temp.mkdirSync('angular-cli-builds');

const tempExec = new Executor(tempRoot);

const branchName = process.env['TRAVIS_BRANCH'];

console.log(green('Cloning builds repos...\n'));

tempExec.git('clone', cliBuilds);

tempExec.git('clone', ngToolsWebpackBuilds);

console.log(green('Building...'));

const cliBuildsRoot = path.join(tempRoot, 'cli-builds');

const cliBuildsExec = new Executor(cliBuildsRoot);

const ngToolsWebpackBuildsRoot = path.join(tempRoot, 'ngtools-webpack-builds');

const ngToolsWebpackBuildsExec = new Executor(ngToolsWebpackBuildsRoot);

cliExec.npm('run', 'build');

const message = cliExec.git('log', '--format=%h %s', '-n', '1');

const hash = message.split(' ')[0];

console.log(green('Copying ng-tools-webpack-builds dist'));

ngToolsWebpackBuildsExec.git('checkout', '-B', branchName);

ngToolsWebpackBuildsExec.rm('-rf', ...ngToolsWebpackBuildsExec.glob('*'));

cliExec.cp('dist/@ngtools/webpack', ngToolsWebpackBuildsRoot);

console.log(green('Updating package.json version'));

ngToolsWebpackBuildsExec.updateVersion(hash);

ngToolsWebpackBuildsExec.git('add', '-A');

ngToolsWebpackBuildsExec.git('commit', '-m', message);

ngToolsWebpackBuildsExec.git('tag', hash);

ngToolsWebpackBuildsExec.git('config', 'credential.helper', 'store --file=.git/credentials');

ngToolsWebpackBuildsExec.write('.git/credentials',

`https://${process.env['GITHUB_ACCESS_TOKEN']}@github.com`);

console.log(green('Copying cli-builds dist'));

cliBuildsExec.git('checkout', '-B', branchName);

cliBuildsExec.rm('-rf', ...cliBuildsExec.glob('*'));

cliExec.cp('dist/@angular/cli', cliBuildsRoot);

console.log(green('Updating package.json version'));

cliBuildsExec.updateVersion(hash);

cliBuildsExec.updateDependencies(hash);

cliBuildsExec.git('add', '-A');

cliBuildsExec.git('commit', '-m', message);

cliBuildsExec.git('tag', hash);

cliBuildsExec.git('config', 'credential.helper', 'store --file=.git/credentials');

cliBuildsExec.write('.git/credentials',

`https://${process.env['GITHUB_ACCESS_TOKEN']}@github.com`);

console.log(green('Done. Pushing...'));

ngToolsWebpackBuildsExec.git('push', '-f', 'origin', branchName);

ngToolsWebpackBuildsExec.git('push', '--tags', 'origin', branchName);

cliBuildsExec.git('push', '-f', 'origin', branchName);

cliBuildsExec.git('push', '--tags', 'origin', branchName);

}

main();