Bug 1287911 - Add the ability to tag revisions with metadata (#1706) r=camd

* Bug 1287911 - Add the ability to tag revisions with metadata

* Bug 1287911 - Make backout commit text be red in the list of revisions

ui/css/treeherder-resultsets.css

@@ -121,6 +121,10 @@ fieldset[disabled] .btn-resultset:hover {
   overflow: auto;
 }
 
+.revision[data-tags~="backout"] .revision-comment{
+  color: red;
+}
+
 .revision-holder > a {
   padding-top: 2px;
   font: 11px "Lucida Console",Monaco,monospace;

ui/index.html

@@ -147,7 +147,7 @@
         <script type="'text/ng-template'" id="revisionsClone.html">
             <div class="clearfix"></div>
             <li>
-                <span class="revision">
+                <span class="revision" data-tags="{{comment_tags}}">
                     <span class="revision-holder">
                         <a href="{{currentRepo.getRevisionHref(revision)}}"
                            title="Open revision {{revision}} on {{currentRepo.url}}"

ui/js/directives/treeherder/clonejobs.js

@@ -460,6 +460,15 @@ treeherder.directive('thCloneJobs', [
                     // Only use the first line of the full commit message.
                     revision.escaped_comment = _.escape(revision.comments.split('\n')[0]);
                     revision.escaped_comment_linkified = linkifyBugsFilter(revision.escaped_comment);
+
+                    // Parse the comment so we can tag things like backouts
+                    var tags = "";
+                    if(revision.escaped_comment.search("Backed out") >= 0 ||
+                       revision.escaped_comment.search("Back out") >= 0) {
+                        tags += "backout ";
+                    }
+                    revision.comment_tags = tags.trim();
+
                     revisionHtml = revisionInterpolator(revision);
                     ulEl.append(revisionHtml);
                 }