Fix bad conflict resolution

app/policies/ci/pipeline_policy.rb

@@ -1,6 +1,6 @@
 module Ci
   class PipelinePolicy < BasePolicy
-    delegate { pipeline.project }
+    delegate { @subject.project }
 
     condition(:user_cannot_update) do
       !::Gitlab::UserAccess

app/services/ci/create_pipeline_service.rb

@@ -51,19 +51,13 @@ module Ci
         return error('No stages / jobs for this pipeline.')
       end
 
-      process!
+      process! do
+        pipeline_created_counter.increment(source: source)
+      end
     end
 
     private
 
-    def triggering_user_allowed_for_ref?(trigger_request, ref)
-      triggering_user = current_user || trigger_request.trigger.owner
-
-      (triggering_user &&
-        Ci::Pipeline.allowed_to_create?(triggering_user, project, ref)) ||
-        !project.protected_for?(ref)
-    end
-
     def process!
       Ci::Pipeline.transaction do
         update_merge_requests_head_pipeline if pipeline.save
@@ -75,11 +69,19 @@ module Ci
 
       cancel_pending_pipelines if project.auto_cancel_pending_pipelines?
 
-      pipeline_created_counter.increment(source: source)
+      yield
 
       pipeline.tap(&:process!)
     end
 
+    def triggering_user_allowed_for_ref?(trigger_request, ref)
+      triggering_user = current_user || trigger_request.trigger.owner
+
+      (triggering_user &&
+        Ci::Pipeline.allowed_to_create?(triggering_user, project, ref)) ||
+        !project.protected_for?(ref)
+    end
+
     def update_merge_requests_head_pipeline
       return unless pipeline.latest?
 

spec/policies/ci/build_policy_spec.rb

@@ -110,7 +110,7 @@ describe Ci::BuildPolicy, :models do
         let(:branch_policy) { :no_one_can_push }
 
         it 'does not include ability to update build' do
-          expect(policies).to be_disallowed :update_build
+          expect(policy).to be_disallowed :update_build
         end
       end
 
@@ -118,7 +118,7 @@ describe Ci::BuildPolicy, :models do
         let(:branch_policy) { :developers_can_push }
 
         it 'includes ability to update build' do
-          expect(policies).to be_allowed :update_build
+          expect(policy).to be_allowed :update_build
         end
       end
 
@@ -126,7 +126,7 @@ describe Ci::BuildPolicy, :models do
         let(:branch_policy) { :developers_can_merge }
 
         it 'includes ability to update build' do
-          expect(policies).to be_allowed :update_build
+          expect(policy).to be_allowed :update_build
         end
       end
     end

spec/policies/ci/pipeline_policy_spec.rb

@@ -4,8 +4,8 @@ describe Ci::PipelinePolicy, :models do
   let(:user) { create(:user) }
   let(:pipeline) { create(:ci_empty_pipeline, project: project) }
 
-  let(:policies) do
-    described_class.abilities(user, pipeline).to_set
+  let(:policy) do
+    described_class.new(user, pipeline)
   end
 
   describe 'rules' do
@@ -23,7 +23,7 @@ describe Ci::PipelinePolicy, :models do
         let(:branch_policy) { :no_one_can_push }
 
         it 'does not include ability to update pipeline' do
-          expect(policies).to be_disallowed :update_pipeline
+          expect(policy).to be_disallowed :update_pipeline
         end
       end
 
@@ -31,7 +31,7 @@ describe Ci::PipelinePolicy, :models do
         let(:branch_policy) { :developers_can_push }
 
         it 'includes ability to update pipeline' do
-          expect(policies).to be_allowed :update_pipeline
+          expect(policy).to be_allowed :update_pipeline
         end
       end
 
@@ -39,7 +39,7 @@ describe Ci::PipelinePolicy, :models do
         let(:branch_policy) { :developers_can_merge }
 
         it 'includes ability to update pipeline' do
-          expect(policies).to be_allowed :update_pipeline
+          expect(policy).to be_allowed :update_pipeline
         end
       end
     end