Rewrite and improve git backend logic. Fix project movind. Raise exception to prevent unexpected issues

lib/gitlab/backend/gitolite.rb

@@ -23,7 +23,7 @@ module Gitlab
     end
 
     def update_repository project
-      config.update_project!(project.path, project)
+      config.update_project!(project)
     end
 
     def move_repository(old_repo, new_repo, project)

lib/gitlab/backend/gitolite_config.rb

@@ -109,18 +109,18 @@ module Gitlab
     end
 
     # update or create
-    def update_project(repo_name, project)
+    def update_project(project)
       repo = update_project_config(project, conf)
       conf.add_repo(repo, true)
     end
 
-    def update_project!(repo_name, project)
+    def update_project!( project)
       apply do |config|
-        config.update_project(repo_name, project)
+        config.update_project(project)
       end
     end
 
-    # Updates many projects and uses project.path as the repo path
+    # Updates many projects and uses project.path_with_namespace as the repo path
     # An order of magnitude faster than update_project
     def update_projects(projects)
       projects.each do |project|

lib/gitlab/project_mover.rb

@@ -21,6 +21,10 @@ module Gitlab
       old_path = File.join(Gitlab.config.git_base_path, old_dir, "#{project.path}.git")
       new_path = File.join(new_dir_path, "#{project.path}.git")
 
+      if File.exists? new_path
+        raise ProjectMoveError.new("Destination #{new_path} already exists")
+      end
+
       if system("mv #{old_path} #{new_path}")
         log_info "Project #{project.name} was moved from #{old_path} to #{new_path}"
         true