Merge branch 'new-branch-commits' into 'master'

List new commits for newly pushed branch in activity view.

When someone pushes commits, I want to see them, regardless if it's a new or existing branch. If it's a new branch, we compare with the default branch (usually master).

![Screen_Shot_2015-03-17_at_15.49.13](https://dev.gitlab.org/gitlab/gitlabhq/uploads/4cb7e0d833bc83a30197db81d4b273bc/Screen_Shot_2015-03-17_at_15.49.13.png)

See merge request !1711

CHANGELOG

@@ -4,6 +4,7 @@ v 7.10.0 (unreleased)
   - enable line wrapping per default and remove the checkbox to toggle it (Hannes Rosenögger)
   - extend the commit calendar to show the actual commits made on a date (Hannes Rosenögger)
   - Add a service to support external wikis (Hannes Rosenögger)
+  - List new commits for newly pushed branch in activity view.
 
 v 7.9.0 (unreleased)
   - Add HipChat integration documentation (Stan Hu)

app/helpers/events_helper.rb

@@ -96,7 +96,7 @@ module EventsHelper
         end
       end
     elsif event.push?
-      if event.push_with_commits?
+      if event.push_with_commits? && event.md_ref?
         if event.commits_count > 1
           namespace_project_compare_url(event.project.namespace, event.project,
                                         from: event.commit_from, to:

app/models/event.rb

@@ -247,7 +247,7 @@ class Event < ActiveRecord::Base
   end
 
   def push_with_commits?
-    md_ref? && commits.any? && commit_from && commit_to
+    !commits.empty? && commit_from && commit_to
   end
 
   def last_push_to_non_root?

app/views/events/event/_push.html.haml

@@ -21,5 +21,11 @@
         %li.commits-stat
           - if event.commits_count > 2
             %span ... and #{event.commits_count - 2} more commits.
-          = link_to namespace_project_compare_path(event.project.namespace, event.project, from: event.commit_from, to: event.commit_to) do
-            %strong Compare → #{truncate_sha(event.commit_from)}...#{truncate_sha(event.commit_to)}
+          - if event.md_ref?
+            - from = event.commit_from
+            - from_label = truncate_sha(from)
+          - else
+            - from = event.project.default_branch
+            - from_label = from
+          = link_to namespace_project_compare_path(event.project.namespace, event.project, from: from, to: event.commit_to) do
+            %strong Compare → #{from_label}...#{truncate_sha(event.commit_to)}

lib/gitlab/push_data_builder.rb

@@ -27,6 +27,12 @@ module Gitlab
 
         # Get latest 20 commits ASC
         commits_limited = commits.last(20)
+        
+        # For performance purposes maximum 20 latest commits
+        # will be passed as post receive hook data.
+        commit_attrs = commits_limited.map do |commit|
+          commit.hook_attrs(project)
+        end
 
         type = Gitlab::Git.tag_ref?(ref) ? "tag_push" : "push"
         # Hash to be passed as post_receive_data
@@ -49,17 +55,10 @@ module Gitlab
             git_ssh_url: project.ssh_url_to_repo,
             visibility_level: project.visibility_level
           },
-          commits: [],
+          commits: commit_attrs,
           total_commits_count: commits_count
         }
 
-        # For performance purposes maximum 20 latest commits
-        # will be passed as post receive hook data.
-        commits_limited.each do |commit|
-          data[:commits] << commit.hook_attrs(project)
-        end
-
-        data[:commits] = "" if data[:commits].count == 0
         data
       end