Factor out commit list from compare and new MR.

app/views/projects/commits/_commit_list.html.haml

+%div.panel.panel-default
+  .panel-heading
+    Commits (#{@commits.count})
+  - if @commits.size > MergeRequestDiff::COMMITS_SAFE_SIZE
+    %ul.well-list
+      - Commit.decorate(@commits.first(MergeRequestDiff::COMMITS_SAFE_SIZE)).each do |commit|
+        = render "projects/commits/inline_commit", commit: commit, project: @project
+      %li.warning-row.unstyled
+        other #{@commits.size - MergeRequestDiff::COMMITS_SAFE_SIZE} commits hidden to prevent performance issues.
+  - else
+    %ul.well-list= render Commit.decorate(@commits), project: @project

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

@@ -6,20 +6,8 @@
 = render "form"
 
 - if @commits.present?
-  %div.panel.panel-default
-    .panel-heading
-      Commits (#{@commits.count})
-    - if @commits.size > MergeRequestDiff::COMMITS_SAFE_SIZE
-      %ul.well-list
-        - Commit.decorate(@commits.first(MergeRequestDiff::COMMITS_SAFE_SIZE)).each do |commit|
-          = render "projects/commits/inline_commit", commit: commit, project: @project
-        %li.warning-row.unstyled
-          other #{@commits.size - MergeRequestDiff::COMMITS_SAFE_SIZE} commits hidden to prevent performance issues.
-    - else
-      %ul.well-list= render Commit.decorate(@commits), project: @project
-
+  = render "projects/commits/commit_list"
   = render "projects/diffs/diffs", diffs: @diffs, project: @project
-
 - else
   .light-well
     .center

app/views/projects/merge_requests/_new_submit.html.haml

@@ -66,17 +66,7 @@
       = f.submit 'Submit merge request', class: "btn btn-create"
 
 .mr-compare
-  %div.panel.panel-default
-    .panel-heading
-      Commits (#{@commits.count})
-    - if @commits.size > MergeRequestDiff::COMMITS_SAFE_SIZE
-      %ul.well-list
-        - Commit.decorate(@commits.first(MergeRequestDiff::COMMITS_SAFE_SIZE)).each do |commit|
-          = render "projects/commits/inline_commit", commit: commit, project: @project
-        %li.warning-row.unstyled
-          other #{@commits.size - MergeRequestDiff::COMMITS_SAFE_SIZE} commits hidden to prevent performance issues.
-    - else
-      %ul.well-list= render Commit.decorate(@commits), project: @project
+  = render "projects/commits/commit_list"
 
   %h4 Changes
   - if @diffs.present?