require_relative 'base_service' class CreateBranchService < BaseService def execute(branch_name, ref, source_project: @project) valid_branch = Gitlab::GitRefValidator.validate(branch_name) if valid_branch == false return error('Branch name is invalid') end repository = project.repository existing_branch = repository.find_branch(branch_name) if existing_branch return error('Branch already exists') end new_branch = nil if source_project != @project repository.with_tmp_ref do |tmp_ref| repository.fetch_ref( source_project.repository.path_to_repo, "refs/heads/#{ref}", tmp_ref ) new_branch = repository.add_branch(current_user, branch_name, tmp_ref) end else new_branch = repository.add_branch(current_user, branch_name, ref) end if new_branch push_data = build_push_data(project, current_user, new_branch) project.execute_hooks(push_data.dup, :push_hooks) project.execute_services(push_data.dup, :push_hooks) success(new_branch) else error('Invalid reference name') end rescue GitHooksService::PreReceiveError error('Branch creation was rejected by Git hook') end def success(branch) out = super() out[:branch] = branch out end def build_push_data(project, user, branch) Gitlab::PushDataBuilder. build(project, user, Gitlab::Git::BLANK_SHA, branch.target, "#{Gitlab::Git::BRANCH_REF_PREFIX}#{branch.name}", []) end end