gulp shell example

gulpfile.js

var gulp = require('gulp');
var connect = require('gulp-connect');
var modRewrite = require('connect-modrewrite');
var runSequence = require('run-sequence');
var shell = require('gulp-shell');

//proxy all requests to /api to localhost:3000 for rails api
gulp.task('connect', function(){
	connect.server({
		root: './app',
		port: 8000,
		middleware: function() {
			return [
				modRewrite([
					'^/api/v1/(.*)$ http://localhost:3000/api/v1/$1 [P]'
				])
			];
		}
	});
});

//start rails server daemon
gulp.task('rails-start', shell.task([
  'rails s -d'
]));

gulp.task('rails-kill', shell.task([
  "kill `cat ../tmp/pids/server.pid`"
]));

//resets rails dev DB with seed.db data
gulp.task('db-setup', shell.task([
  'bundle exec rake db:setup'
]));

//runs e2e tests
gulp.task('protractor', shell.task([
  'protractor protractorConfig.js'
]));

gulp.task('e2e-test', function(){
  // start servers, setup test db,
  // run e2e tests, 
  // reset db, kill rails daemon
  runSequence('rails-start', 'connect', 'db-setup', 'protractor', 
              'db-setup', 'rails-kill')
})