gitlab.com contrib footer only for devise mails

app/views/layouts/_mailer.html.haml

@@ -71,18 +71,4 @@
               = succeed "." do
                 %a{ href: root_url, style: "color:#3777b0;text-decoration:none;" }= Gitlab.config.gitlab.host
 
-        - if Gitlab.com?
-          %tr
-            %td{ style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:13px;line-height:1.6;color:#5c5c5c;" }
-              %div
-                Everyone can contribute
-              %div
-                = link_to 'Blog', 'https://about.gitlab.com/blog/', style: "color:#3777b0;text-decoration:none;"
-                ·
-                = link_to 'Twitter', 'https://twitter.com/gitlab', style: "color:#3777b0;text-decoration:none;"
-                ·
-                = link_to 'Facebook', 'https://www.facebook.com/gitlab/', style: "color:#3777b0;text-decoration:none;"
-                ·
-                = link_to 'YouTube', 'https://www.youtube.com/channel/UCnMGQ8QHMAnVIsI3xJrihhg', style: "color:#3777b0;text-decoration:none;"
-                ·
-                = link_to 'LinkedIn', 'https://www.linkedin.com/company/gitlab-com', style: "color:#3777b0;text-decoration:none;"
+        = yield :additional_footer

app/views/layouts/mailer/devise.html.haml

+- if Gitlab.com?
+  - content_for :additional_footer do
+    %tr
+      %td{ style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:13px;line-height:1.6;color:#5c5c5c;" }
+        %div
+          Everyone can contribute
+        %div
+          = link_to 'Blog', 'https://about.gitlab.com/blog/', style: "color:#3777b0;text-decoration:none;"
+          ·
+          = link_to 'Twitter', 'https://twitter.com/gitlab', style: "color:#3777b0;text-decoration:none;"
+          ·
+          = link_to 'Facebook', 'https://www.facebook.com/gitlab/', style: "color:#3777b0;text-decoration:none;"
+          ·
+          = link_to 'YouTube', 'https://www.youtube.com/channel/UCnMGQ8QHMAnVIsI3xJrihhg', style: "color:#3777b0;text-decoration:none;"
+          ·
+          = link_to 'LinkedIn', 'https://www.linkedin.com/company/gitlab-com', style: "color:#3777b0;text-decoration:none;"
+
 = render layout: 'layouts/mailer' do
   %tr
     %td{ style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;color:#333333;font-size:15px;font-weight:400;line-height:1.4;padding:15px 5px;text-align:center;" }