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, :commit_message def execute(merge_request, commit_message) @commit_message = commit_message @merge_request = merge_request unless @merge_request.mergeable? return error('Merge request is not mergeable') end 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: commit_message, author: committer, committer: committer } repository.merge(current_user, merge_request.source_sha, merge_request.target_branch, options) rescue Exception => 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) end end end