Do not auto-reapply incident label to all incidents

app/presenters/alert_management/alert_presenter.rb

@@ -8,7 +8,6 @@ module AlertManagement
 
     MARKDOWN_LINE_BREAK = "  \n"
     HORIZONTAL_LINE = "\n\n---\n\n"
-    INCIDENT_LABEL_NAME = ::IncidentManagement::CreateIncidentLabelService::LABEL_PROPERTIES[:title]
 
     delegate :metrics_dashboard_url, :runbook, to: :parsed_payload
 
@@ -48,7 +47,7 @@ module AlertManagement
     end
 
     def incident_issues_link
-      project_issues_url(project, label_name: INCIDENT_LABEL_NAME)
+      project_incidents_url(project)
     end
 
     def performance_dashboard_link

app/services/issues/base_service.rb

@@ -73,22 +73,6 @@ module Issues
 
       Milestones::IssuesCountService.new(milestone).delete_cache
     end
-
-    # Applies label "incident" (creates it if missing) to incident issues.
-    # Please use in "after" hooks only to ensure we are not appyling
-    # labels prematurely.
-    def add_incident_label(issue)
-      return unless issue.incident?
-
-      label = ::IncidentManagement::CreateIncidentLabelService
-        .new(project, current_user)
-        .execute
-        .payload[:label]
-
-      return if issue.label_ids.include?(label.id)
-
-      issue.labels << label
-    end
   end
 end
 

app/services/issues/create_service.rb

@@ -49,6 +49,22 @@ module Issues
     def user_agent_detail_service
       UserAgentDetailService.new(@issue, @request)
     end
+
+    # Applies label "incident" (creates it if missing) to incident issues.
+    # For use in "after" hooks only to ensure we are not appyling
+    # labels prematurely.
+    def add_incident_label(issue)
+      return unless issue.incident?
+
+      label = ::IncidentManagement::CreateIncidentLabelService
+        .new(project, current_user)
+        .execute
+        .payload[:label]
+
+      return if issue.label_ids.include?(label.id)
+
+      issue.labels << label
+    end
   end
 end
 

app/services/issues/update_service.rb

@@ -34,7 +34,6 @@ module Issues
     end
 
     def after_update(issue)
-      add_incident_label(issue)
       IssuesChannel.broadcast_to(issue, event: 'updated') if Gitlab::ActionCable::Config.in_app? || Feature.enabled?(:broadcast_issue_updates, issue.project)
     end
 

changelogs/unreleased/sy-allow-to-unlabel-incidents.yml

+---
+title: Do not automatically reapply incident label after user removes it
+merge_request: 49188
+author:
+type: fixed

spec/mailers/emails/projects_spec.rb

@@ -19,11 +19,9 @@ RSpec.describe Emails::Projects do
         create(:project_incident_management_setting, project: project, create_issue: true)
       end
 
-      let(:incident_issues_url) do
-        project_issues_url(project, label_name: 'incident')
-      end
+      let(:incidents_url) { project_incidents_url(project) }
 
-      it { is_expected.to have_body_text(incident_issues_url) }
+      it { is_expected.to have_body_text(incidents_url) }
     end
   end
 

spec/services/incident_management/incidents/create_service_spec.rb

@@ -37,6 +37,8 @@ RSpec.describe IncidentManagement::Incidents::CreateService do
         end
 
         let(:issue) { new_issue }
+
+        include_examples 'has incident label'
       end
 
       context 'with default severity' do

spec/services/issues/create_service_spec.rb

@@ -63,6 +63,7 @@ RSpec.describe Issues::CreateService do
         subject { issue }
 
         it_behaves_like 'incident issue'
+        it_behaves_like 'has incident label'
         it_behaves_like 'an incident management tracked event', :incident_management_incident_created
 
         it 'does create an incident label' do

spec/services/issues/update_service_spec.rb

@@ -99,31 +99,18 @@ RSpec.describe Issues::UpdateService, :mailer do
       context 'when issue type is incident' do
         let(:issue) { create(:incident, project: project) }
 
-        it 'changes updates the severity' do
+        before do
           update_issue(opts)
-
-          expect(issue.severity).to eq('low')
-        end
-
-        it_behaves_like 'incident issue' do
-          before do
-            update_issue(opts)
-          end
         end
 
-        context 'with existing incident label' do
-          let_it_be(:incident_label) { create(:label, :incident, project: project) }
+        it_behaves_like 'incident issue'
 
-          before do
-            opts.delete(:label_ids) # don't override but retain existing labels
-            issue.labels << incident_label
-          end
+        it 'changes updates the severity' do
+          expect(issue.severity).to eq('low')
+        end
 
-          it_behaves_like 'incident issue' do
-            before do
-              update_issue(opts)
-            end
-          end
+        it 'does not apply incident labels' do
+          expect(issue.labels).to match_array [label]
         end
       end
 
@@ -155,7 +142,6 @@ RSpec.describe Issues::UpdateService, :mailer do
 
       context 'issue in incident type' do
         let(:current_user) { user }
-        let(:incident_label_attributes) { attributes_for(:label, :incident) }
 
         before do
           opts.merge!(issue_type: 'incident', confidential: true)
@@ -170,21 +156,6 @@ RSpec.describe Issues::UpdateService, :mailer do
             subject
           end
         end
-
-        it 'does create an incident label' do
-          expect { subject }
-            .to change { Label.where(incident_label_attributes).count }.by(1)
-        end
-
-        context 'when invalid' do
-          before do
-            opts.merge!(title: '')
-          end
-
-          it 'does not create an incident label prematurely' do
-            expect { subject }.not_to change(Label, :count)
-          end
-        end
       end
 
       it 'updates open issue counter for assignees when issue is reassigned' do

spec/support/shared_examples/services/incident_shared_examples.rb

@@ -11,11 +11,13 @@
 #
 #   include_examples 'incident issue'
 RSpec.shared_examples 'incident issue' do
-  let(:label_properties) { attributes_for(:label, :incident) }
-
   it 'has incident as issue type' do
     expect(issue.issue_type).to eq('incident')
   end
+end
+
+RSpec.shared_examples 'has incident label' do
+  let(:label_properties) { attributes_for(:label, :incident) }
 
   it 'has exactly one incident label' do
     expect(issue.labels).to be_one do |label|