1 files changed, 21 insertions, 0 deletions
diff --git a/lib/gitlab/gitaly_client/operation_service.rb b/lib/gitlab/gitaly_client/operation_service.rb
index cdb37e96057..2d5440e7ea8 100644
--- a/lib/gitlab/gitaly_client/operation_service.rb
+++ b/lib/gitlab/gitaly_client/operation_service.rb
@@ -19,6 +19,27 @@ module Gitlab
           raise Gitlab::Git::HooksService::PreReceiveError, pre_receive_error
         end
       end
+
+      def add_tag(tag_name, user, target, message)
+        request = Gitaly::UserCreateTagRequest.new(
+          repository: @gitaly_repo,
+          user: Util.gitaly_user(user),
+          tag_name: GitalyClient.encode(tag_name),
+          target_revision: GitalyClient.encode(target),
+          message: GitalyClient.encode(message.to_s)
+        )
+
+        response = GitalyClient.call(@repository.storage, :operation_service, :user_create_tag, request)
+        if pre_receive_error = response.pre_receive_error.presence
+          raise Gitlab::Git::HooksService::PreReceiveError, pre_receive_error
+        elsif response.exists
+          raise Gitlab::Git::Repository::TagExistsError
+        end
+
+        Util.gitlab_tag_from_gitaly_tag(@repository, response.tag)
+      rescue GRPC::FailedPrecondition => e
+        raise Gitlab::Git::Repository::InvalidRef, e
+      end
     end
   end
 end