Line anchors for file view

app/assets/stylesheets/gitlab_bootstrap/files.scss

@@ -157,10 +157,15 @@
         font-size:12px !important;
       }
-      table.highlighttable .linenodiv pre {
-        text-align: right;
-        padding-right: 4px;
-        color:#666;
+      table.highlighttable .linenodiv {
+        a {
+          color: #666;
+        }
+        pre {
+          text-align: right;
+          padding-right: 4px;
+          color:#666;
+        }
       }
     }
   }

app/views/tree/blob/_text.html.haml

@@ -10,6 +10,6 @@
     - unless blob.empty?
       %div{class: current_user.dark_scheme ? "black" : "white"}
         = preserve do
-          = raw blob.colorize(options: { linenos: 'True'})
+          = raw blob.colorize(options: { linenos: true, lineanchors: :line, anchorlinenos: true })
     - else
       %h4.nothing_here_message Empty file