gulpfile example

gulpfile.js

var gulp = require('gulp');
var replace = require('gulp-replace');
var shell = require('gulp-shell');
var argv = require('yargs').argv;
var yaml = require('js-yaml');
var fs = require('fs');
var run = require('gulp-run');
var runSequence = require('gulp-run-sequence');
var currentEnvironment = '';

gulp.task('default', function () {
	console.log('teste helloo');
});

gulp.task('deploy', function (callback) {
	runSequence('prepare', 'deployToGae', callback);
});

gulp.task('deploy-and-test', function (callback) {
	runSequence('prepare', 'deployToGae', 'setDefaultVersion', 'runTests', callback);
});

gulp.task('test', function (callback) {
	runSequence('prepare', 'runTests', callback);
});

gulp.task('prepare', function() {
	var environment = null;
	environment = (argv.staging ? 'staging' : null);
	environment = (argv.production ? 'prod' : environment);
	currentEnvironment = environment;

	if ((environment != null) && (environment == 'prod' || environment == 'staging'))
	{
		var settings = yaml.safeLoad(fs.readFileSync('./settings/' + environment + '.yaml'));

		console.log('Deploying to Environment: ' + environment.toUpperCase());

		gulp.src('./settings/app.yaml')
	  		.pipe(replace('{{application_name}}', settings.gae_application_name))
	  		.pipe(replace('{{version}}', settings.gae_application_version))
	  		.pipe(gulp.dest("."))
	}
	else
		console.log('No environment selected or invalid.');
});

gulp.task('deployToGae', shell.task(['appcfg.py update .']));

gulp.task('runTests', function () {
	var cmdLine = 'jasmine-node spec/' + currentEnvironment + '/deploy.spec.js';
	run(cmdLine).exec();
});

gulp.task('setDefaultVersion', shell.task(['appcfg.py set_default_version .']));