1 files changed, 17 insertions, 3 deletions
diff --git a/app/serializers/pipeline_entity.rb b/app/serializers/pipeline_entity.rb
index 29b1a6c244b..ec2698ecbe3 100644
--- a/app/serializers/pipeline_entity.rb
+++ b/app/serializers/pipeline_entity.rb
@@ -4,6 +4,7 @@ class PipelineEntity < Grape::Entity
   include RequestAwareEntity
 
   expose :id
+  expose :iid
   expose :user, using: UserEntity
   expose :active?, as: :active
 
@@ -20,22 +21,28 @@ class PipelineEntity < Grape::Entity
   end
 
   expose :flags do
-    expose :latest?, as: :latest
     expose :stuck?, as: :stuck
     expose :auto_devops_source?, as: :auto_devops
-    expose :merge_request?, as: :merge_request
+    expose :merge_request_event?, as: :merge_request
     expose :has_yaml_errors?, as: :yaml_errors
     expose :can_retry?, as: :retryable
     expose :can_cancel?, as: :cancelable
     expose :failure_reason?, as: :failure_reason
+    expose :detached_merge_request_pipeline?, as: :detached_merge_request_pipeline
+    expose :merge_request_pipeline?, as: :merge_request_pipeline
   end
 
   expose :details do
     expose :detailed_status, as: :status, with: DetailedStatusEntity
+    expose :ordered_stages, as: :stages, using: StageEntity
     expose :duration
     expose :finished_at
   end
 
+  expose :merge_request, if: -> (*) { has_presentable_merge_request? }, with: MergeRequestForPipelineEntity do |pipeline|
+    pipeline.merge_request.present(current_user: request.current_user)
+  end
+
   expose :ref do
     expose :name do |pipeline|
       pipeline.ref
@@ -49,10 +56,12 @@ class PipelineEntity < Grape::Entity
 
     expose :tag?, as: :tag
     expose :branch?, as: :branch
-    expose :merge_request?, as: :merge_request
+    expose :merge_request_event?, as: :merge_request
   end
 
   expose :commit, using: CommitEntity
+  expose :source_sha, if: -> (pipeline, _) { pipeline.merge_request_pipeline? }
+  expose :target_sha, if: -> (pipeline, _) { pipeline.merge_request_pipeline? }
   expose :yaml_errors, if: -> (pipeline, _) { pipeline.has_yaml_errors? }
 
   expose :failure_reason, if: -> (pipeline, _) { pipeline.failure_reason? } do |pipeline|
@@ -81,6 +90,11 @@ class PipelineEntity < Grape::Entity
       pipeline.cancelable?
   end
 
+  def has_presentable_merge_request?
+    pipeline.triggered_by_merge_request? &&
+      can?(request.current_user, :read_merge_request, pipeline.merge_request)
+  end
+
   def detailed_status
     pipeline.detailed_status(request.current_user)
   end