Merge pull request #414 from Asp1d/master

Added support of .rubocop.yml file in project root

src/beautifiers/rubocop.coffee

@@ -15,26 +15,29 @@ module.exports = class Rubocop extends Beautifier
 
   beautify: (text, language, options) ->
 
-    # Generate config file
-    yaml = require("yaml-front-matter")
+    path = require 'path'
+    fs = require 'fs'
 
-    config = {
-      "Style/IndentationWidth":
-        "Width": options.indent_size
-    }
-    configStr = yaml.safeDump(config)
-    @debug("rubocop", config, configStr)
+    configFile = path.join(atom.project.getPaths()[0], ".rubocop.yml")
+
+    if fs.existsSync(configFile)
+      @debug("rubocop", config, fs.readFileSync(configFile, 'utf8'))
+    else
+      yaml = require("yaml-front-matter")
+      # Generate config file
+      config = {
+        "Style/IndentationWidth":
+          "Width": options.indent_size
+      }
+
+      configFile = @tempFile("rubocop-config", yaml.safeDump(config))
+      @debug("rubocop", config, configFile)
 
     @run("rubocop", [
       "--auto-correct"
-      "--config", @tempFile("rubocop-config", configStr)
+      "--config", configFile
       tempFile = @tempFile("temp", text)
       ], {ignoreReturnCode: true})
       .then(=>
-        # console.log('rubocop', arguments, tempFile)
         @readFile(tempFile)
-        # .then((text) ->
-        #     console.log('rubocop', text)
-        #     return text
-        # )
       )