Geo - Create repository updated events only if the repository exists

ee/app/services/geo/repository_updated_service.rb

@@ -10,6 +10,7 @@ module Geo
 
     def initialize(repository, params = {})
       @project    = repository.project
+      @repository = repository
       @params     = params
       @refs       = params.fetch(:refs, [])
       @changes    = params.fetch(:changes, [])
@@ -27,11 +28,13 @@ module Geo
 
     private
 
-    attr_reader :project, :refs, :changes, :source
+    attr_reader :project, :repository, :refs, :changes, :source
 
     delegate :repository_state, to: :project
 
     def create_repository_updated_event!
+      return unless repository.exists?
+
       Geo::RepositoryUpdatedEventStore.new(
         project, refs: refs, changes: changes, source: source
       ).create!

ee/changelogs/unreleased/250315-fix-create-repository-updated-events.yml

+---
+title: Geo - Create repository updated events only if the repository exists
+merge_request: 42519
+author:
+type: fixed

ee/spec/services/geo/repository_updated_service_spec.rb

@@ -37,10 +37,18 @@ RSpec.describe Geo::RepositoryUpdatedService do
       end
 
       context 'when running on a primary node' do
-        it 'creates a repository updated event' do
+        it 'creates a repository updated event when repository exists' do
+          allow(repository).to receive(:exists?).and_return(true)
+
           expect { subject.execute }.to change(Geo::RepositoryUpdatedEvent, :count).by(1)
         end
 
+        it 'does not create a repository updated event when repository does not exist' do
+          allow(repository).to receive(:exists?).and_return(false)
+
+          expect { subject.execute }.not_to change(Geo::RepositoryUpdatedEvent, :count)
+        end
+
         it 'resets the repository verification checksum' do
           expect { subject.execute }.to change { repository_state.reload.public_send("#{method_prefix}_verification_checksum") }.to(nil)
         end
@@ -91,9 +99,17 @@ RSpec.describe Geo::RepositoryUpdatedService do
     context 'when design repository is being updated' do
       let(:repository) { project.design_repository }
 
-      it 'creates a design repository updated event' do
+      it 'creates a design repository updated event when repository exists' do
+        allow(repository).to receive(:exists?).and_return(true)
+
         expect { subject.execute }.to change(Geo::RepositoryUpdatedEvent, :count).by(1)
       end
+
+      it 'does not create a repository updated event when repository does not exist' do
+        allow(repository).to receive(:exists?).and_return(false)
+
+        expect { subject.execute }.not_to change(Geo::RepositoryUpdatedEvent, :count)
+      end
     end
   end
 end