Merge branch '21444-pipeliens-new-mr' into 'master'

Add pipelines tab to new MR

#### What does this MR do?
Adds pipelines tab to new MRs

#### Screenshots (if relevant)
![Screen_Shot_2016-10-10_at_10.23.27_AM](/uploads/6c3f8f2be0cf9ba7cc78f6d918307ec0/Screen_Shot_2016-10-10_at_10.23.27_AM.png)
![Screen_Shot_2016-10-11_at_8.59.45_AM](/uploads/e67577d92327eafef6f04073f3d94212/Screen_Shot_2016-10-11_at_8.59.45_AM.png)

#### What are the relevant issue numbers?
Closes #21444

See merge request !6238

1 files changed, 13 insertions, 6 deletions

diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index 88e21b5886d..04386258c19 100644
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -489,13 +489,12 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     @noteable = @merge_request
     @commits_count = @merge_request.commits.count
 
-    @pipeline = @merge_request.pipeline
-    @statuses = @pipeline.statuses.relevant if @pipeline
-
     if @merge_request.locked_long_ago?
       @merge_request.unlock_mr
       @merge_request.close
     end
+
+    define_pipelines_vars
   end
 
   # Discussion tab data is rendered on html responses of actions
@@ -523,7 +522,6 @@ class Projects::MergeRequestsController < Projects::ApplicationController
 
   def define_widget_vars
     @pipeline = @merge_request.pipeline
-    @pipelines = [@pipeline].compact
   end
 
   def define_commit_vars
@@ -550,6 +548,15 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     )
   end
 
+  def define_pipelines_vars
+    @pipelines = @merge_request.all_pipelines
+
+    if @pipelines.any?
+      @pipeline = @pipelines.first
+      @statuses = @pipeline.statuses.relevant
+    end
+  end
+
   def define_new_vars
     @noteable = @merge_request
 
@@ -565,10 +572,10 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     @commit = @merge_request.diff_head_commit
     @base_commit = @merge_request.diff_base_commit
 
-    @pipeline = @merge_request.pipeline
-    @statuses = @pipeline.statuses.relevant if @pipeline
     @note_counts = Note.where(commit_id: @commits.map(&:id)).
       group(:commit_id).count
+
+    define_pipelines_vars
   end
 
   def invalid_mr