gistfile1.coffee

gulp.task "bundle-scripts", ->
  delete require.cache[require.resolve "./assets/bundles"]
  bundles = require "./assets/bundles"
  scripts = _.filter _.keys(bundles), (filename) ->
    filename.indexOf(".js") >= 0
  merge _.map scripts, (filename) ->
    if filename.indexOf(".js") is -1 then return
    coffeeFilter = filter "**/*.coffee"
    stream = gulp.src bundles[filename]
      .pipe coffeeFilter
      .pipe cache coffee()
      .on "error", (err) ->
        console.log err.toString()
        @emit "end"
      .pipe coffeeFilter.restore()
      .pipe concat filename
    if process.env.NODE_ENV is "production"
      stream.pipe uglify()
    stream.pipe gulp.dest "public/assets/bundles"