Fix creation of deployment on build that is retried, redeployed or rollback

CHANGELOG

@@ -60,6 +60,7 @@ v 8.10.0 (unreleased)
   - Allow expanding and collapsing files in diff view (!4990)
   - Collapse large diffs by default (!4990)
   - Fix mentioned users list on diff notes
+  - Fix creation of deployment on build that is retried, redeployed or rollback
   - Check for conflicts with existing Project's wiki path when creating a new project.
   - Show last push widget in upstream after push to fork
   - Cache todos pending/done dashboard query counts.

app/models/ci/build.rb

@@ -53,6 +53,7 @@ module Ci
         new_build.stage_idx = build.stage_idx
         new_build.trigger_request = build.trigger_request
         new_build.user = user
+        new_build.environment = build.environment
         new_build.save
         MergeRequests::AddTodoWhenBuildFailsService.new(build.project, nil).close(new_build)
         new_build

spec/services/create_deployment_service_spec.rb

@@ -89,6 +89,12 @@ describe CreateDeploymentService, services: true do
         expect_any_instance_of(described_class).to receive(:execute)
         subject
       end
+
+      it 'is set as deployable' do
+        subject
+
+        expect(Deployment.last.deployable).to eq(deployable)
+      end
     end
 
     context 'without environment specified' do
@@ -105,6 +111,8 @@ describe CreateDeploymentService, services: true do
 
       context 'when build succeeds' do
         it_behaves_like 'does create environment and deployment' do
+          let(:deployable) { build }
+
           subject { build.success }
         end
       end
@@ -114,6 +122,14 @@ describe CreateDeploymentService, services: true do
           subject { build.drop }
         end
       end
+
+      context 'when build is retried' do
+        it_behaves_like 'does create environment and deployment' do
+          let(:deployable) { Ci::Build.retry(build) }
+
+          subject { deployable.success }
+        end
+      end
     end
   end
 end