gulpfile for jekyll (compiled)

gulpfile.js.jekyll

'use strict';
// based on generator-gulp-webapp 0.1.0

var gulp = require('gulp');
// var connect = require('gulp-connect');

// local server port
var SERVE_PORT = 4000;

// tell me what the error is!
// -> prevent .pipe from dying on error w/ gulp-plumber
// -> and give more useful error messages
var showError = function(err) {  
  $.util.beep();
  console.log(err);
};

// useful file paths
var path = {
  src    : 'src',
  build  : 'build',
  deploy : 'deploy',
  bower  : '_bower_components',
  assets : 'assets',
  css    : 'assets/styles',
  js     : 'assets/scripts',
  img    : 'assets/images'
};

// load plugins
var $ = require('gulp-load-plugins')();

gulp.task('scripts', function () {
  return gulp.src(path.build + '/' + path.js + '/**/*.js')
    .pipe($.jshint())
    .pipe($.jshint.reporter(require('jshint-stylish')))
    .pipe($.size());
});
gulp.task('jekyll', function() {
  var reportOptions = {
    err: true,
    stderr: true,
    stdout: true
  }

  return gulp.src('')
    .pipe($.plumber({
      errorHandler: showError
    }))
    // run a build and then reload the browser
    .pipe($.exec("jekyll build"))
    .pipe($.exec.reporter(reportOptions))
    .pipe($.connect.reload());
});

gulp.task('jekyll-deploy', function() {
  return gulp.src('')
    // run a build with the deploy config
    .pipe($.exec("jekyll build --config _config.yml,_config.deploy.yml"));
});

// run jekyll, concatenate everything, update css & script links
gulp.task('html', ['scripts', 'jekyll-deploy'], function () {
  var jsFilter = $.filter('**/*.js');
  var cssFilter = $.filter('**/*.css');

  return gulp.src(path.build + '/**/*{.html,.md}')
    .pipe($.useref.assets({searchPath: '{.tmp,' + path.build + '}'}))
    .pipe(jsFilter)
    .pipe($.uglify())
    .pipe(jsFilter.restore())
    .pipe(cssFilter)
    .pipe($.csso())
    .pipe(cssFilter.restore())
    .pipe($.useref.restore())
    .pipe($.useref())
    .pipe(gulp.dest(path.deploy))
    .pipe($.size());
});

// optimize images
gulp.task('images', function () {
  return gulp.src(path.build + '/' + path.img + '/**/*')
    .pipe($.cache($.imagemin({
      optimizationLevel: 3,
      progressive: true,
      interlaced: true
    })))
    .pipe(gulp.dest(path.deploy + '/' + path.img))
    .pipe($.size());
});

gulp.task('clean', function () {
  return gulp.src(['.tmp', path.deploy + '/**/*', '!' + path.deploy + '/{.git,.gitignore,CNAME,README.md,LICENSE}'], { read: false }).pipe($.clean());
});

// livereload server
gulp.task('connect', function() {
  $.connect.server({
    root: path.build,
    port: SERVE_PORT,
    livereload: true
  });
});

// -------- Main Tasks -----------------------------------------------------------------------------

gulp.task('build', ['jekyll-build']);

gulp.task('deploy', ['clean'], function() {
  gulp.start(['html', 'images']);
});

gulp.task('watch', ['connect'], function() {
  gulp.watch(path.src + '/**/*{.html,.md,.scss,.js,.yml}', ['jekyll']);
});

// inject bower components
gulp.task('wiredep', function() {
  var wiredep = require('wiredep').stream;

  gulp.src(path.src + '/' + path.css + '/*.scss')
    .pipe(wiredep({
        directory: path.src + '/' + path.bower
    }))
    .pipe(gulp.dest(path.src + '/' + path.css));

  gulp.src(path.src + '/*.html')
    .pipe(wiredep({
        directory: path.src + '/' + path.bower
    }))
    .pipe(gulp.dest(path.src));
});

gulp.task('default', ['jekyll', 'watch']);