Add mirror flag to `import_repository`

app/models/repository.rb

@@ -942,7 +942,7 @@ class Repository
   end
 
   def clone_as_mirror(url, http_authorization_header: "")
-    import_repository(url, http_authorization_header: http_authorization_header)
+    import_repository(url, http_authorization_header: http_authorization_header, mirror: true)
   end
 
   def fetch_as_mirror(url, forced: false, refmap: :all_refs, prune: true, http_authorization_header: "")

lib/gitlab/git/repository.rb

@@ -841,11 +841,11 @@ module Gitlab
         end
       end
 
-      def import_repository(url, http_authorization_header: '')
+      def import_repository(url, http_authorization_header: '', mirror: false)
         raise ArgumentError, "don't use disk paths with import_repository: #{url.inspect}" if url.start_with?('.', '/')
 
         wrapped_gitaly_errors do
-          gitaly_repository_client.import_repository(url, http_authorization_header: http_authorization_header)
+          gitaly_repository_client.import_repository(url, http_authorization_header: http_authorization_header, mirror: mirror)
         end
       end
 

lib/gitlab/gitaly_client/repository_service.rb

@@ -145,11 +145,12 @@ module Gitlab
         )
       end
 
-      def import_repository(source, http_authorization_header: '')
+      def import_repository(source, http_authorization_header: '', mirror: false)
         request = Gitaly::CreateRepositoryFromURLRequest.new(
           repository: @gitaly_repo,
           url: source,
-          http_authorization_header: http_authorization_header
+          http_authorization_header: http_authorization_header,
+          mirror: mirror
         )
 
         GitalyClient.call(

spec/lib/gitlab/git/repository_spec.rb

@@ -2448,7 +2448,7 @@ RSpec.describe Gitlab::Git::Repository, :seed_helper do
 
     it 'delegates to Gitaly' do
       expect_next_instance_of(Gitlab::GitalyClient::RepositoryService) do |svc|
-        expect(svc).to receive(:import_repository).with(url, http_authorization_header: '').and_return(nil)
+        expect(svc).to receive(:import_repository).with(url, http_authorization_header: '', mirror: false).and_return(nil)
       end
 
       repository.import_repository(url)

spec/models/project_import_state_spec.rb

@@ -22,7 +22,7 @@ RSpec.describe ProjectImportState, type: :model do
 
     before do
       allow_any_instance_of(Gitlab::GitalyClient::RepositoryService).to receive(:import_repository)
-        .with(project.import_url, http_authorization_header: '').and_return(true)
+        .with(project.import_url, http_authorization_header: '', mirror: false).and_return(true)
 
       # Works around https://github.com/rspec/rspec-mocks/issues/910
       allow(Project).to receive(:find).with(project.id).and_return(project)