Set pipeline config source attribute in a build step

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

@@ -18,6 +18,8 @@ module Gitlab
               pipeline_schedule: @command.schedule,
               protected: protected_ref?
             )
+
+            @pipeline.set_config_source
           end
           def break?

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

@@ -20,7 +20,7 @@ describe Gitlab::Ci::Pipeline::Chain::Build do
   let(:step) { described_class.new(pipeline, command) }
   before do
-    stub_ci_pipeline_to_return_yaml_file
+    stub_repository_ci_yaml_file(sha: anything)
     step.perform!
   end

spec/services/ci/create_pipeline_service_spec.rb

@@ -8,7 +8,7 @@ describe Ci::CreatePipelineService do
   let(:ref_name) { 'refs/heads/master' }
   before do
-    stub_ci_pipeline_to_return_yaml_file
+    stub_repository_ci_yaml_file(sha: anything)
   end
   describe '#execute' do
@@ -44,6 +44,7 @@ describe Ci::CreatePipelineService do
         expect(pipeline).to eq(project.pipelines.last)
         expect(pipeline).to have_attributes(user: user)
         expect(pipeline).to have_attributes(status: 'pending')
+        expect(pipeline.repository_source?).to be true
         expect(pipeline.builds.first).to be_kind_of(Ci::Build)
       end

spec/support/stub_gitlab_calls.rb

@@ -21,6 +21,12 @@ module StubGitlabCalls
     allow_any_instance_of(Ci::Pipeline).to receive(:ci_yaml_file) { ci_yaml }
   end
+  def stub_repository_ci_yaml_file(sha:, path: '.gitlab-ci.yml')
+    allow_any_instance_of(Repository)
+      .to receive(:gitlab_ci_yml_for).with(sha, path)
+      .and_return(gitlab_ci_yaml)
+  end
+
   def stub_ci_builds_disabled
     allow_any_instance_of(Project).to receive(:builds_enabled?).and_return(false)
   end