Fix no repo error message for group-level wikis

The replicator.class.git_access_class.error_message(:no_repo) returns
the wrong error message for group wiki repositories. The helper method
handle the error message for each datatype.

Changelog: fixed
EE: true

.gitlab/issue_templates/Geo Replicate a new Git repository type.md

@@ -313,6 +313,10 @@ That's all of the required database changes.
         ::Gitlab::GitAccessCoolWidget
       end
 
+      def self.no_repo_message
+        git_access_class.error_message(:no_repo)
+      end
+
       # The feature flag follows the format `geo_#{replicable_name}_replication`,
       # so here it would be `geo_cool_widget_replication`
       def self.replication_enabled_by_default?
@@ -351,6 +355,9 @@ That's all of the required database changes.
   ```
 
 - [ ] Make sure a Geo secondary site can request and download Cool Widgets on the Geo primary site. You may need to make some changes to `Gitlab::GitAccessCoolWidget`. For example, see [this change for Group-level Wikis](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/54914/diffs?commit_id=0f2b36f66697b4addbc69bd377ee2818f648dd33).
+
+- [ ] Make sure a Geo secondary site can replicate Cool Widgets where repository does not exist on the Geo primary site. The only way to know about this is to parse the error text. You may need to make some changes to `Gitlab::CoolWidgetReplicator.no_repo_message` to return the proper error message. For example, see [this change for Group-level Wikis](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/74133).
+
 - [ ] Generate the feature flag definition file by running the feature flag command and following the command prompts:
 
   ```shell

ee/app/replicators/geo/group_wiki_repository_replicator.rb

@@ -12,6 +12,10 @@ module Geo
       ::Gitlab::GitAccessWiki
     end
 
+    def self.no_repo_message
+      git_access_class.error_message(:no_group_repo)
+    end
+
     def repository
       model_record.repository
     end

ee/app/replicators/geo/snippet_repository_replicator.rb

@@ -13,6 +13,10 @@ module Geo
       ::Gitlab::GitAccessSnippet
     end
 
+    def self.no_repo_message
+      git_access_class.error_message(:no_repo)
+    end
+
     override :verification_feature_flag_enabled?
     def self.verification_feature_flag_enabled?
       true

ee/app/services/geo/framework_repository_sync_service.rb

@@ -45,9 +45,11 @@ module Geo
       log_info('Expiring caches')
       repository.after_create
     rescue Gitlab::Shell::Error, Gitlab::Git::BaseError => e
-      # In some cases repository does not exist, the only way to know about this is to parse the error text.
-      # If it does not exist we should consider it as successfully downloaded.
-      if e.message.include?(replicator.class.git_access_class.error_message(:no_repo))
+      # In some cases repository does not exist, the only way to know about this
+      # is to parse the error text. If the repository does not exist on the
+      # primary, then the state on this secondary matches the primary, and
+      # therefore the repository is successfully synced.
+      if e.message.include?(replicator.class.no_repo_message)
         log_info('Repository is not found, marking it as successfully synced')
         mark_sync_as_successful(missing_on_primary: true)
       else

ee/spec/replicators/geo/group_wiki_repository_replicator_spec.rb

@@ -6,4 +6,10 @@ RSpec.describe Geo::GroupWikiRepositoryReplicator do
   let(:model_record) { build(:group_wiki_repository, group: create(:group)) }
 
   include_examples 'a repository replicator'
+
+  describe '.no_repo_message' do
+    it 'returns the proper error message for group-level wikis' do
+      expect(replicator.class.no_repo_message).to eq(::Gitlab::GitAccessWiki.error_message(:no_group_repo))
+    end
+  end
 end

ee/spec/replicators/geo/snippet_repository_replicator_spec.rb

@@ -8,4 +8,10 @@ RSpec.describe Geo::SnippetRepositoryReplicator do
 
   include_examples 'a repository replicator'
   it_behaves_like 'a verifiable replicator'
+
+  describe '.no_repo_message' do
+    it 'returns the proper error message for snippet repositories' do
+      expect(replicator.class.no_repo_message).to eq(::Gitlab::GitAccessSnippet.error_message(:no_repo))
+    end
+  end
 end

ee/spec/services/geo/framework_repository_sync_service_spec.rb

@@ -120,6 +120,8 @@ RSpec.describe Geo::FrameworkRepositorySyncService, :geo do
         .with(url_to_repo, forced: true, http_authorization_header: anything)
         .and_raise(Gitlab::Shell::Error.new(Gitlab::GitAccessSnippet::ERROR_MESSAGES[:no_repo]))
 
+      expect(replicator.class).to receive(:no_repo_message).once.and_call_original
+
       subject.execute
 
       expect(registry).to have_attributes(

ee/spec/support/shared_examples/models/concerns/repository_replicator_strategy_shared_examples.rb

@@ -128,6 +128,12 @@ RSpec.shared_examples 'a repository replicator' do
     end
   end
 
+  describe '.no_repo_message' do
+    it 'is implemented' do
+      expect(replicator.class.no_repo_message).to be_a(String)
+    end
+  end
+
   describe '#model' do
     let(:invoke_model) { replicator.class.model }