Fix build trace updating

CHANGELOG

@@ -29,6 +29,7 @@ v 8.1.0 (unreleased)
   - Improved performance of the trending projects page
   - Improved performance of finding projects by their namespace
   - Fix bug where transferring a project would result in stale commit links (Stan Hu)
+  - Fix build trace updating
   - Include full path of source and target branch names in New Merge Request page (Stan Hu)
   - Add user preference to view activities as default dashboard (Stan Hu)
   - Add option to admin area to sign in as a specific user (Pavel Forkert)

app/assets/javascripts/ci/build.coffee

@@ -22,7 +22,7 @@ class CiBuild
       # Only valid for runnig build when output changes during time
       #
       CiBuild.interval = setInterval =>
-        if window.location.href is build_url
+        if window.location.href.split("#").first() is build_url
           $.ajax
             url: build_url
             dataType: "json"

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

@@ -175,4 +175,4 @@
 
 
   :javascript
-    new CiBuild("#{namespace_project_build_path(@project.namespace, @project, @build)}", "#{@build.status}")
+    new CiBuild("#{namespace_project_build_url(@project.namespace, @project, @build)}", "#{@build.status}")