module MergeRequests # MergeService class # # Do git merge and in case of success # mark merge request as merged and execute all hooks and notifications # Executed when you do merge via GitLab UI # class MergeService < MergeRequests::BaseService attr_reader :merge_request def execute(merge_request) @merge_request = merge_request return error('Merge request is not mergeable') unless @merge_request.mergeable? merge_request.in_locked_state do if commit after_merge success else error('Can not merge changes') end end end private def commit committer = repository.user_to_committer(current_user) options = { message: params[:commit_message] || merge_request.merge_commit_message, author: committer, committer: committer } commit_id = repository.merge(current_user, merge_request.source_sha, merge_request.target_branch, options) merge_request.update(merge_commit_sha: commit_id) rescue StandardError => e merge_request.update(merge_error: "Something went wrong during merge") Rails.logger.error(e.message) return false end def after_merge MergeRequests::PostMergeService.new(project, current_user).execute(merge_request) if params[:should_remove_source_branch].present? DeleteBranchService.new(@merge_request.source_project, current_user). execute(merge_request.source_branch) end end end end