From 2c796a1785242a6940ef3b7ef8a06fa8617ec245 Mon Sep 17 00:00:00 2001
From: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Date: Sat, 21 Mar 2015 13:44:11 -0700
Subject: [PATCH] Cache project branches and tags into variables

---
 CHANGELOG                |  1 +
 app/models/repository.rb | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG
index 4c644960088..e547085043d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -15,6 +15,7 @@ v 7.10.0 (unreleased)
   - Improve error message when save profile has error.
   - Passing the name of pushed ref to CI service (requires GitLab CI 7.9+)
   - Add location field to user profile
+  - Improve GitLab performance when working with git repositories
 
 v 7.9.0 (unreleased)
   - Add HipChat integration documentation (Stan Hu)
diff --git a/app/models/repository.rb b/app/models/repository.rb
index c6eaa485b8a..2e3cfb85594 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -62,24 +62,28 @@ class Repository
 
   def add_branch(branch_name, ref)
     cache.expire(:branch_names)
+    @branches = nil
 
     gitlab_shell.add_branch(path_with_namespace, branch_name, ref)
   end
 
   def add_tag(tag_name, ref, message = nil)
     cache.expire(:tag_names)
+    @tags = nil
 
     gitlab_shell.add_tag(path_with_namespace, tag_name, ref, message)
   end
 
   def rm_branch(branch_name)
     cache.expire(:branch_names)
+    @branches = nil
 
     gitlab_shell.rm_branch(path_with_namespace, branch_name)
   end
 
   def rm_tag(tag_name)
     cache.expire(:tag_names)
+    @tags = nil
 
     gitlab_shell.rm_tag(path_with_namespace, tag_name)
   end
@@ -368,6 +372,18 @@ class Repository
     end
   end
 
+  def branches
+    @branches ||= raw_repository.branches
+  end
+
+  def tags
+    @tags ||= raw_repository.tags
+  end
+
+  def root_ref
+    @root_ref ||= raw_repository.root_ref
+  end
+
   private
 
   def cache