Simplify how we set pipeline builds user on creation

lib/gitlab/ci/pipeline/chain/populate.rb

@@ -17,8 +17,6 @@ module Gitlab
             # Populate pipeline with all stages and builds from pipeline seeds.
             #
             pipeline.stage_seeds.each do |stage|
-              stage.user = current_user
-
               pipeline.stages << stage.to_resource
 
               stage.seeds.each do |build|

lib/gitlab/ci/pipeline/seed/build.rb

@@ -17,15 +17,7 @@ module Gitlab
               .fabricate(attributes.delete(:except))
           end
 
-          # TODO, use pipeline.user ?
-          #
-          def user=(current_user)
-            @attributes.merge!(user: current_user)
-          end
-
           def included?
-            # TODO specs for passing a seed object for lazy resource evaluation
-            #
             strong_memoize(:inclusion) do
               @only.all? { |spec| spec.satisfied_by?(@pipeline, self) } &&
                 @except.none? { |spec| spec.satisfied_by?(@pipeline, self) }
@@ -36,6 +28,7 @@ module Gitlab
             @attributes.merge(
               pipeline: @pipeline,
               project: @pipeline.project,
+              user: @pipeline.user,
               ref: @pipeline.ref,
               tag: @pipeline.tag,
               trigger_request: @pipeline.legacy_trigger,

lib/gitlab/ci/pipeline/seed/stage.rb

@@ -17,10 +17,6 @@ module Gitlab
             end
           end
 
-          def user=(current_user)
-            @seeds.each { |seed| seed.user = current_user }
-          end
-
           def attributes
             { name: @attributes.fetch(:name),
               pipeline: @pipeline,

spec/lib/gitlab/ci/pipeline/seed/build_spec.rb

@@ -21,16 +21,6 @@ describe Gitlab::Ci::Pipeline::Seed::Build do
     end
   end
 
-  describe '#user=' do
-    let(:user) { build(:user) }
-
-    it 'assignes user to a build' do
-      subject.user = user
-
-      expect(subject.attributes).to include(user: user)
-    end
-  end
-
   describe '#to_resource' do
     it 'returns a valid build resource' do
       expect(subject.to_resource).to be_a(::Ci::Build)

spec/lib/gitlab/ci/pipeline/seed/stage_spec.rb

@@ -95,16 +95,6 @@ describe Gitlab::Ci::Pipeline::Seed::Stage do
     end
   end
 
-  describe '#user=' do
-    let(:user) { build(:user) }
-
-    it 'assignes relevant pipeline attributes' do
-      subject.user = user
-
-      expect(subject.seeds.map(&:attributes)).to all(include(user: user))
-    end
-  end
-
   describe '#to_resource' do
     it 'builds a valid stage object with all builds' do
       subject.to_resource.save!