module Commits class ChangeService < ::BaseService class ValidationError < StandardError; end class ChangeError < StandardError; end def execute @source_project = params[:source_project] || @project @target_branch = params[:target_branch] @commit = params[:commit] @create_merge_request = params[:create_merge_request].present? check_push_permissions unless @create_merge_request commit rescue Repository::CommitError, Gitlab::Git::Repository::InvalidBlobName, GitHooksService::PreReceiveError, ValidationError, ChangeError => ex error(ex.message) end def commit raise NotImplementedError end private def check_push_permissions allowed = ::Gitlab::GitAccess.new(current_user, project).can_push_to_branch?(@target_branch) unless allowed raise ValidationError.new('You are not allowed to push into this branch') end true end def create_target_branch(new_branch) # Temporary branch exists and contains the change commit return success if repository.find_branch(new_branch) result = CreateBranchService.new(@project, current_user) .execute(new_branch, @target_branch, source_project: @source_project) if result[:status] == :error raise ChangeError, "There was an error creating the source branch: #{result[:message]}" end end end end