class CreateBranchService < BaseService def execute(branch_name, ref) create_master_branch if project.empty_repo? result = ValidateNewBranchService.new(project, current_user) .execute(branch_name) return result if result[:status] == :error new_branch = repository.add_branch(current_user, branch_name, ref) if new_branch success(new_branch) else error('Invalid reference name') end rescue Gitlab::Git::PreReceiveError => ex error(ex.message) end def success(branch) super().merge(branch: branch) end private def create_master_branch project.repository.create_file( current_user, '/README.md', '', message: 'Add README.md', branch_name: 'master' ) end end