For form MR render only namespace name

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/models/merge_request.rb

@@ -219,6 +219,14 @@ class MergeRequest < ActiveRecord::Base
     end
   end
+  def source_project_namespace
+    if source_project && source_project.namespace
+      source_project.namespace.path
+    else
+      "(removed)"
+    end
+  end
+
   def source_branch_exists?
     return false unless self.source_project

app/views/projects/merge_requests/_merge_request.html.haml

@@ -10,14 +10,14 @@
       %span.pull-right
         - if merge_request.for_fork?
           %span.light
-            = "#{merge_request.source_project_path}"
-          = "#{merge_request.source_branch}"
+            #{merge_request.source_project_namespace}:
+          = merge_request.source_branch
           %i.icon-angle-right.light
-          = "#{merge_request.target_branch}"
+          = merge_request.target_branch
         - else
-          = "#{merge_request.source_branch}"
+          = merge_request.source_branch
           %i.icon-angle-right.light
-          = "#{merge_request.target_branch}"
+          = merge_request.target_branch
   .merge-request-info
     - if merge_request.author
       authored by #{link_to_member(merge_request.source_project, merge_request.author)}