main.js

const fs = require('fs-extra');
const path = require('path');
const spawn = require('child_process').spawn;
const util = require('util');
const os = require('os');

const eclipsePath = os.platform() === 'win32' ? 'C:\\eclipse\\eclipsec.exe' : '/Applications/Eclipse.app/Contents/MacOS/eclipse';

async function installEclipseDependencies() {
	const targetPath = path.join(__dirname, 'releng/com.aptana.studio.ide.target/com.aptana.studio.ide.target.target');
	const parser = new require('xml2js').Parser();
	const xml = fs.readFileSync(targetPath, 'utf8');
	const json = await util.promisify(parser.parseString)(xml);
	const locations = json.target.locations[0].location;
	// Add plugins/features useful for Eclipse development
	locations.unshift({
		repository: [
			{
				'$': {
					location: 'http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-tycho/0.8.1/N/0.8.1.201704211436/'
				}
			}
		],
		unit: {
			'$': {
				id: 'org.sonatype.tycho.m2e.feature.feature.group',
				version: '0.8.1.201704211436'
			}
		}
	});
	// MUST RUN SERIALLY!
	for (const l of locations) {
		try {
			await installUnits(l);
		} catch (e) {
			console.error(e);
		}
	}
}

async function installUnits(location) {
	return new Promise((resolve, reject) => {
		const units = Array.isArray(location.unit) ? location.unit : [ location.unit ]; // each has 'id', 'version'
		const p2RepoURL = location.repository[0]['$'].location;
		const ius = units.map(unit => `${unit['$'].id}/${unit['$'].version}`).join(',');
		const p = spawn(eclipsePath, [
			'-application', 'org.eclipse.equinox.p2.director',
			'-repository', p2RepoURL,
			'-installIU', ius,
			'-nosplash'
		]);
		p.stderr.on('data', data => console.error(data.toString().trim()));
		p.stdout.on('data', data => console.log(data.toString().trim()));
		p.on('close', code => {
			if (code !== 0) {
				reject(code);
			} else {
				resolve(code);
			}
		});
		p.on('error', err => reject(err));
	});
}

/**
 * Updates the .project name to match the directory name it's within for all bundles, tests, features
 */
async function setProjectNames() {
	const dirs = [ 'bundles', 'features', 'tests' ];
	return Promise.all(dirs.map(async d => {
		const subdir = path.join(__dirname, d);
		const projects = await fs.readdir(subdir);
		return Promise.all(projects.map(projectDir => updateDotProjectName(subdir, projectDir)));
	}));
}

async function updateDotProjectName(bundlesDir, dir) {
	if (dir.startsWith('.')) {
		return;
	}

	const dirPath = path.join(bundlesDir, dir);
	if (!(await fs.stat(dirPath)).isDirectory()) {
		return;
	}

	const dotProject = path.join(dirPath, '.project');
	const contents = await fs.readFile(dotProject, 'utf8');
	return fs.writeFile(dotProject, contents.replace(/name>.+?<\/name>/, `name>${dir}</name>`), 'utf8');
}

async function main() {
	await setProjectNames();
	console.log('Updated .project names');
	await installEclipseDependencies();
	console.log('Installed target plugins/features into Eclipse');
}

main()
.then(() => process.exit(0))
.catch(err => {
	console.error(err);
	process.exit(1);
});