1 files changed, 8 insertions, 0 deletions
diff --git a/app/services/packages/generic/create_package_file_service.rb b/app/services/packages/generic/create_package_file_service.rb
index 1451a022a39..42a191fb415 100644
--- a/app/services/packages/generic/create_package_file_service.rb
+++ b/app/services/packages/generic/create_package_file_service.rb
@@ -23,6 +23,10 @@ module Packages
           .new(project, current_user, package_params)
           .execute
 
+        unless Namespace::PackageSetting.duplicates_allowed?(package)
+          raise ::Packages::DuplicatePackageError if target_file_is_duplicate?(package)
+        end
+
         package.update_column(:status, params[:status]) if params[:status] && params[:status] != package.status
 
         package.build_infos.safe_find_or_create_by!(pipeline: params[:build].pipeline) if params[:build].present?
@@ -40,6 +44,10 @@ module Packages
 
         ::Packages::CreatePackageFileService.new(package, file_params).execute
       end
+
+      def target_file_is_duplicate?(package)
+        package.package_files.with_file_name(params[:file_name]).exists?
+      end
     end
   end
 end