Merge pull request #3 from vaneyckt/make-plugin-work-when-tests-not-started-from-repo-root-folder

use git to find the root of the git repo

Author: nmatpt

lib/codacy/git.rb

@@ -18,7 +18,7 @@ def self.git_commit
     end
 
     def self.git_dir
-      return Dir.pwd
+      return `git rev-parse --show-toplevel`
     end
 
     def self.git(command)