debian-mirror-gitlab/app/services/merge_requests/merge_service.rb

116 lines
3.6 KiB
Ruby
Raw Normal View History

2014-09-02 18:07:02 +05:30
module MergeRequests
# MergeService class
#
2015-09-25 12:07:36 +05:30
# 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
2017-08-17 22:00:37 +05:30
MergeError = Class.new(StandardError)
attr_reader :merge_request, :source
2015-09-25 12:07:36 +05:30
2018-03-17 18:26:18 +05:30
delegate :merge_jid, :state, to: :@merge_request
2015-09-25 12:07:36 +05:30
2018-03-17 18:26:18 +05:30
def execute(merge_request)
if project.merge_requests_ff_only_enabled && !self.is_a?(FfMergeService)
FfMergeService.new(project, current_user, params).execute(merge_request)
return
2017-08-17 22:00:37 +05:30
end
2018-03-17 18:26:18 +05:30
@merge_request = merge_request
2017-08-17 22:00:37 +05:30
2018-03-17 18:26:18 +05:30
error_check!
2015-09-25 12:07:36 +05:30
merge_request.in_locked_state do
if commit
after_merge
2018-03-17 18:26:18 +05:30
clean_merge_jid
2015-09-25 12:07:36 +05:30
success
end
end
2018-03-17 18:26:18 +05:30
log_info("Merge process finished on JID #{merge_jid} with state #{state}")
2017-08-17 22:00:37 +05:30
rescue MergeError => e
2018-03-17 18:26:18 +05:30
handle_merge_error(log_message: e.message, save_message_on_model: true)
2015-09-25 12:07:36 +05:30
end
2014-09-02 18:07:02 +05:30
2015-09-25 12:07:36 +05:30
private
2018-03-17 18:26:18 +05:30
def error_check!
error =
if @merge_request.should_be_rebased?
'Only fast-forward merge is allowed for your project. Please update your source branch'
elsif !@merge_request.mergeable?
'Merge request is not mergeable'
elsif !source
'No source for merge'
end
raise MergeError, error if error
end
2015-09-25 12:07:36 +05:30
2018-03-17 18:26:18 +05:30
def commit
message = params[:commit_message] || merge_request.merge_commit_message
2015-09-25 12:07:36 +05:30
2018-03-17 18:26:18 +05:30
log_info("Git merge started on JID #{merge_jid}")
commit_id = repository.merge(current_user, source, merge_request, message)
log_info("Git merge finished on JID #{merge_jid} commit #{commit_id}")
2016-08-24 12:49:21 +05:30
2017-08-17 22:00:37 +05:30
raise MergeError, 'Conflicts detected during merge' unless commit_id
merge_request.update(merge_commit_sha: commit_id)
2018-03-17 18:26:18 +05:30
rescue Gitlab::Git::HooksService::PreReceiveError => e
2017-08-17 22:00:37 +05:30
raise MergeError, e.message
2015-12-23 02:04:40 +05:30
rescue StandardError => e
2017-08-17 22:00:37 +05:30
raise MergeError, "Something went wrong during merge: #{e.message}"
2016-08-24 12:49:21 +05:30
ensure
merge_request.update(in_progress_merge_commit_sha: nil)
2015-09-25 12:07:36 +05:30
end
2014-09-02 18:07:02 +05:30
2015-09-25 12:07:36 +05:30
def after_merge
2018-03-17 18:26:18 +05:30
log_info("Post merge started on JID #{merge_jid} with state #{state}")
2015-09-25 12:07:36 +05:30
MergeRequests::PostMergeService.new(project, current_user).execute(merge_request)
2018-03-17 18:26:18 +05:30
log_info("Post merge finished on JID #{merge_jid} with state #{state}")
2015-12-23 02:04:40 +05:30
2018-03-17 18:26:18 +05:30
if delete_source_branch?
DeleteBranchService.new(@merge_request.source_project, branch_deletion_user)
.execute(merge_request.source_branch)
2015-12-23 02:04:40 +05:30
end
2014-09-02 18:07:02 +05:30
end
2016-06-02 11:05:42 +05:30
2018-03-17 18:26:18 +05:30
def clean_merge_jid
merge_request.update_column(:merge_jid, nil)
end
2016-06-02 11:05:42 +05:30
def branch_deletion_user
@merge_request.force_remove_source_branch? ? @merge_request.author : current_user
end
2016-11-03 12:29:30 +05:30
2018-03-17 18:26:18 +05:30
# Verify again that the source branch can be removed, since branch may be protected,
# or the source branch may have been updated, or the user may not have permission
#
def delete_source_branch?
params.fetch('should_remove_source_branch', @merge_request.force_remove_source_branch?) &&
@merge_request.can_remove_source_branch?(branch_deletion_user)
end
def handle_merge_error(log_message:, save_message_on_model: false)
Rails.logger.error("MergeService ERROR: #{merge_request_info} - #{log_message}")
@merge_request.update(merge_error: log_message) if save_message_on_model
end
2016-11-03 12:29:30 +05:30
2018-03-17 18:26:18 +05:30
def log_info(message)
@logger ||= Rails.logger
@logger.info("#{merge_request_info} - #{message}")
2016-11-03 12:29:30 +05:30
end
def merge_request_info
2017-08-17 22:00:37 +05:30
merge_request.to_reference(full: true)
end
2016-11-03 12:29:30 +05:30
2018-03-17 18:26:18 +05:30
def source
@source ||= @merge_request.diff_head_sha
2016-11-03 12:29:30 +05:30
end
2014-09-02 18:07:02 +05:30
end
end