replaced system() calls with FileUtils.* method

This also makes that 'mv: cannot stat `/ho..' is not shown in the test :)

consistent spacing

require fileutils

Revert "require fileutils"

This reverts commit 54313d3bbaa60cfc5b405be50cc00b7f6b0cb715.

new hash notation

FileUtils.mv in begin/rescue block

lib/gitlab/project_mover.rb

@@ -16,7 +16,7 @@ module Gitlab
     def execute
       # Create new dir if missing
       new_dir_path = File.join(Gitlab.config.gitolite.repos_path, new_dir)
-      system("mkdir -m 770 #{new_dir_path}") unless File.exists?(new_dir_path)
+      FileUtils.mkdir( new_dir_path, mode: 0770 ) unless File.exists?(new_dir_path)
 
       old_path = File.join(Gitlab.config.gitolite.repos_path, old_dir, "#{project.path}.git")
       new_path = File.join(new_dir_path, "#{project.path}.git")
@@ -25,17 +25,18 @@ module Gitlab
         raise ProjectMoveError.new("Destination #{new_path} already exists")
       end
 
-      if system("mv #{old_path} #{new_path}")
+      begin
+        FileUtils.mv( old_path, new_path )
         log_info "Project #{project.name} was moved from #{old_path} to #{new_path}"
         true
-      else
+      rescue Exception => e
         message = "Project #{project.name} cannot be moved from #{old_path} to #{new_path}"
-        log_info "Error! #{message}"
+        log_info "Error! #{message} (#{e.message})"
         raise ProjectMoveError.new(message)
       end
     end
 
-    protected
+  protected
 
     def log_info message
       Gitlab::AppLogger.info message