fixed path retrieval

src/beautifiers/rubocop.coffee

@@ -11,42 +11,42 @@ module.exports = class Rubocop extends Beautifier
   options: {
     Ruby:
       indent_size: true
+      rubocop_path: true
   }
 
   beautify: (text, language, options) ->
-
-    fs = require 'fs'
-
-    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)
-
     @Promise.all([
       @which(options.rubocop_path) if options.rubocop_path
       @which('rubocop')
     ]).then((paths) =>
-      @debug('php-cs-fixer paths', paths)
+      @debug('rubocop paths', paths)
       _ = require 'lodash'
       path = require 'path'
       # Get first valid, absolute path
       rubocopPath = _.find(paths, (p) -> p and path.isAbsolute(p) )
       @verbose('rubocopPath', rubocopPath)
       @debug('rubocopPath', rubocopPath, paths)
+
+      configFile = path.join(atom.project.getPaths()[0], ".rubocop.yml")
+
+      fs = require 'fs'
+
+      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)
+
       # Check if PHP-CS-Fixer path was found
       if rubocopPath?
-        @run("rubocop", [
-          rubocopPath
+        @run(rubocopPath, [
           "--auto-correct"
           "--config", configFile
           tempFile = @tempFile("temp", text)
@@ -63,3 +63,4 @@ module.exports = class Rubocop extends Beautifier
           .then(=>
             @readFile(tempFile)
           )
+)