Render a collection for the Commits atom feed

app/views/projects/commits/_commit.atom.builder

+xml.entry do
+  xml.id      namespace_project_commit_url(@project.namespace, @project, id: commit.id)
+  xml.link    href: namespace_project_commit_url(@project.namespace, @project, id: commit.id)
+  xml.title   truncate(commit.title, length: 80)
+  xml.updated commit.committed_date.xmlschema
+  xml.media   :thumbnail, width: "40", height: "40", url: image_url(avatar_icon(commit.author_email))
+
+  xml.author do |author|
+    xml.name commit.author_name
+    xml.email commit.author_email
+  end
+
+  xml.summary markdown(commit.description, pipeline: :single_line)
+end

app/views/projects/commits/show.atom.builder

@@ -6,18 +6,5 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
   xml.id      namespace_project_commits_url(@project.namespace, @project, @ref)
   xml.updated @commits.first.committed_date.xmlschema if @commits.any?
 
-  @commits.each do |commit|
-    xml.entry do
-      xml.id      namespace_project_commit_url(@project.namespace, @project, id: commit.id)
-      xml.link    href: namespace_project_commit_url(@project.namespace, @project, id: commit.id)
-      xml.title   truncate(commit.title, length: 80)
-      xml.updated commit.committed_date.xmlschema
-      xml.media   :thumbnail, width: "40", height: "40", url: image_url(avatar_icon(commit.author_email))
-      xml.author do |author|
-        xml.name commit.author_name
-        xml.email commit.author_email
-      end
-      xml.summary markdown(commit.description, pipeline: :single_line)
-    end
-  end
+  xml << render(@commits) if @commits.any?
 end