Merge branch 'huge-repo-improve' into 'master'

Better support for huge repositories

This MR contains next improvements to GitLab:
* You can see repo commits count even if it is > 100k commits
* Prevent 500 for commit page for large repos
* Add notice about huge push over http to unicorn config
* File action in satellites uses default 30 seconds timeout instead of old 10 seconds one
* Show spinner when loading data for network graph

CHANGELOG

@@ -26,6 +26,11 @@ v 7.0.0
   - UI improvements for mobile devices
   - Improve diff rendering performance
   - Drag-n-drop for issues and merge requests between states at milestone page 
+  - Fix '0 commits' message for huge repositories on project home page
+  - Prevent 500 error page when visit commit page from large repo
+  - Add notice about huge push over http to unicorn config
+  - File action in satellites uses default 30 seconds timeout instead of old 10 seconds one
+  - Overall performance improvements
 
 v 6.9.2
   - Revert the commit that broke the LDAP user filter

Gemfile

@@ -30,7 +30,7 @@ gem 'omniauth-github'
 
 # Extracting information from a git repository
 # Provide access to Gitlab::Git library
-gem "gitlab_git", '~> 5.8'
+gem "gitlab_git", '~> 6.0'
 
 # Ruby/Rack Git Smart-HTTP Server Handler
 gem 'gitlab-grack', '~> 2.0.0.pre', require: 'grack'

Gemfile.lock

@@ -175,7 +175,7 @@ GEM
       mime-types (~> 1.19)
     gitlab_emoji (0.0.1.1)
       emoji (~> 1.0.1)
-    gitlab_git (5.9.0)
+    gitlab_git (6.0.0)
       activesupport (~> 4.0)
       charlock_holmes (~> 0.6)
       gitlab-grit (~> 2.6)
@@ -601,7 +601,7 @@ DEPENDENCIES
   gitlab-grack (~> 2.0.0.pre)
   gitlab-linguist (~> 3.0.0)
   gitlab_emoji (~> 0.0.1.1)
-  gitlab_git (~> 5.8)
+  gitlab_git (~> 6.0)
   gitlab_meta (= 6.0)
   gitlab_omniauth-ldap (= 1.0.4)
   gollum-lib (~> 3.0.0)

app/controllers/projects/commit_controller.rb

@@ -12,7 +12,12 @@ class Projects::CommitController < Projects::ApplicationController
     return git_not_found! unless @commit
 
     @line_notes = project.notes.for_commit_id(commit.id).inline
-    @branches = project.repository.branch_names_contains(commit.id)
+
+    @branches = begin
+                  project.repository.branch_names_contains(commit.id)
+                rescue Grit::Git::GitTimeout
+                  []
+                end
 
     begin
       @suppress_diff = true if commit.diff_suppress? && !params[:force_show_diff]

app/helpers/application_helper.rb

@@ -226,8 +226,11 @@ module ApplicationHelper
     GitHub::Markup.render(file_name, file_content).html_safe
   end
 
-  def spinner(text = nil)
-    content_tag :div, class: 'loading hide' do
+  def spinner(text = nil, visible = false)
+    css_class = "loading"
+    css_class << " hide" unless visible
+
+    content_tag :div, class: css_class do
       content_tag(:i, nil, class: 'icon-spinner icon-spin') + text
     end
   end

app/models/repository.rb

@@ -106,7 +106,7 @@ class Repository
   def commit_count
     Rails.cache.fetch(cache_key(:commit_count)) do
       begin
-        raw_repository.raw.commit_count(self.root_ref)
+        raw_repository.commit_count(self.root_ref)
       rescue
         0
       end

app/views/projects/network/show.html.haml

@@ -3,7 +3,7 @@
   .tip
     You can move around the graph by using the arrow keys.
   .network-graph
-    = spinner
+    = spinner nil, true
 
 :javascript
   new Network({

config/unicorn.rb.example

@@ -34,6 +34,20 @@ listen "/home/git/gitlab/tmp/sockets/gitlab.socket", :backlog => 64
 listen "127.0.0.1:8080", :tcp_nopush => true
 
 # nuke workers after 30 seconds instead of 60 seconds (the default)
+#
+# NOTICE: git push over http depends on this value. 
+# If you want be able to push huge amount of data to git repository over http 
+# you will have to increase this value too. 
+# 
+# Example of output if you try to push 1GB repo to GitLab over http.
+#   -> git push http://gitlab.... master
+#
+#   error: RPC failed; result=18, HTTP code = 200
+#   fatal: The remote end hung up unexpectedly
+#   fatal: The remote end hung up unexpectedly
+#
+# For more information see http://stackoverflow.com/a/21682112/752049
+#
 timeout 30
 
 # feel free to point this anywhere accessible on the filesystem

lib/gitlab/satellite/files/file_action.rb

@@ -4,7 +4,7 @@ module Gitlab
       attr_accessor :file_path, :ref
 
       def initialize(user, project, ref, file_path)
-        super user, project, git_timeout: 10.seconds
+        super user, project
         @file_path = file_path
         @ref = ref
       end