gitstrap-cli/modules/initRepo.js

A cli tool that allows you to easily sync with your upstream git repository

var child_process = require("child_process");
var fs = require('fs');

module.exports = function (originalRepo, forkRepo, folderName) {
	if(!originalRepo || !forkRepo) {
		console.log("Usage: gitstrap init <originalRepo> <myRepo> <folderName>\n");
		process.exit(1);
	}
	// if(!fs.existsSync(process.cwd() + '/package.json')) {
	// 	console.log('Could not find package.json in this directory. Make sure you are in the root of your project directory.');
	// 	process.exit(1);
	// }

	console.log('Cloning from remote repo...');

	if(folderName) {
		fs.mkdirSync(folderName);
		var cloneCmd = child_process.spawnSync(
					"git", 
					["clone", originalRepo, folderName], 
					{encoding: 'utf8'});
		process.chdir(folderName);
	}
	else {
		var cloneCmd = child_process.spawnSync(
					"git", 
					["clone", originalRepo, '.'], 
					{encoding: 'utf8'});
	}

	if(cloneCmd.status != 0) {
		if(cloneCmd.error)
			console.log(cloneCmd.error[1]);
		else
			console.log(cloneCmd.output[2]);

		process.exit(1);
	}
	else {
		console.log(cloneCmd.output[1]);
	}

	var packageJson = JSON.parse(fs.readFileSync(process.cwd() + '/package.json', 'utf8'));

	packageJson.upstreamRepo = originalRepo;

	fs.writeFileSync(process.cwd() + '/package.json', JSON.stringify(packageJson, null, '\t'), 'utf8');

	console.log('Adding git remote origin and upstream...');

	// Add origin
	var originCmd = child_process.spawnSync(
					"git", 
					["remote", "add", "origin", forkRepo], 
					{encoding: 'utf8'});

	if(originCmd.status != 0) {
		var originSetUrlCmd = child_process.spawnSync(
						"git", 
						["remote", "set-url", "origin", forkRepo], 
						{encoding: 'utf8'});

		// console.log(originSetUrlCmd.output[1]);
	}
	else {
		// console.log(originCmd.output[1]);
	}

	// Add upstream
	var upstreamCmd = child_process.spawnSync(
					"git", 
					["remote", "add", "upstream", packageJson.upstreamRepo], 
					{encoding: 'utf8'});

	if(upstreamCmd.status != 0) {
		var upstreamSetUrlCmd = child_process.spawnSync(
						"git", 
						["remote", "set-url", "upstream", packageJson.upstreamRepo], 
						{encoding: 'utf8'});

		// console.log(upstreamSetUrlCmd.output[1]);
	}
	else {
		// console.log(upstreamCmd.output[1]);
	}

	console.log('Pushing to your new repo...');

	var pushCmd = child_process.spawnSync(
					"git", 
					["push", "origin", "master"], 
					{encoding: 'utf8'});

	if(pushCmd.status != 0) {
		if(pushCmd.error)
			console.log(pushCmd.error[1]);
		else
			console.log(pushCmd.output[2]);

		process.exit(1);
	}
	else {
		console.log(pushCmd.output[1]);
	}

	console.log("Successfully completed\nYour origin " + forkRepo + " is set to sync from upstream " + originalRepo);

}