Convert update octicons from script to grunt task

build/package.json

@@ -25,7 +25,6 @@
     "grunt-peg": "~1.1.0",
     "grunt-shell": "~0.3.1",
     "harmony-collections": "~0.3.8",
-    "js-yaml": "~2.1.0",
     "json-front-matter": "~0.1.3",
     "rcedit": "~0.1.2",
     "request": "~2.27.0",

build/tasks/update-octicons-task.coffee

@@ -0,0 +1,22 @@
+path = require 'path'
+
+module.exports = (grunt) ->
+  grunt.registerTask 'update-octicons', 'Update octicon font and LESS variables', ->
+    pathToOcticons = path.resolve('..', 'octicons')
+    if grunt.file.isDir(pathToOcticons)
+      # Copy font-file
+      fontSrc = path.join(pathToOcticons, 'octicons', 'octicons.woff')
+      fontDest = path.resolve('static', 'octicons.woff')
+      grunt.file.copy(fontSrc, fontDest)
+
+      # Update Octicon UTF codes
+      glyphsSrc = path.join(pathToOcticons, 'data', 'glyphs.yml')
+      output = []
+      for {css, code} in grunt.file.readYAML(glyphsSrc)
+        output.push "@#{css}: \"\\#{code}\";"
+
+      octiconUtfDest = path.resolve('static', 'variables', 'octicon-utf-codes.less')
+      grunt.file.write(octiconUtfDest, "#{output.join('\n')}\n")
+    else
+      grunt.log.error("octicons repo must be cloned to #{pathToOcticons}")
+      false

script/utils/update-octicons

@@ -1,32 +0,0 @@
-#!/usr/bin/env coffee
-
-usage = """
-Usage:
-  update-octicons PATH-TO-OCTICONS
-"""
-
-path = require 'path'
-fs = require 'fs'
-YAML = require 'js-yaml'
-
-scriptPath = process.argv[1]
-pathToOcticons = process.argv[2] ? path.join(process.env.HOME, 'github', 'octicons')
-atomDir = path.resolve(scriptPath, "../../..")
-
-unless fs.existsSync(pathToOcticons)
-  console.error(usage)
-  process.exit(1)
-
-# Copy font-file
-fontSrc = path.join(pathToOcticons, 'octicons', 'octicons.woff')
-fontDest = path.join(atomDir, 'static', 'octicons.woff')
-fs.createReadStream(fontSrc).pipe(fs.createWriteStream(fontDest))
-
-# Update Octicon UTF codes
-glyphsSrc = path.join(pathToOcticons, 'data', 'glyphs.yml')
-octiconUtfDest = path.join atomDir, 'static', 'variables', 'octicon-utf-codes.less'
-output = []
-for {css, code} in YAML.load(fs.readFileSync(glyphsSrc).toString())
-  output.push "@#{css}: \"\\#{code}\";"
-
-fs.writeFileSync octiconUtfDest, "#{output.join('\n')}\n"