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|
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 log_merge_error('Merge request is not mergeable', true) unless @merge_request.mergeable?
merge_request.in_locked_state do
if commit
after_merge
success
else
log_merge_error('Can not merge changes', true)
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, options)
if commit_id
merge_request.update(merge_commit_sha: commit_id)
else
merge_request.update(merge_error: 'Conflicts detected during merge')
false
end
rescue GitHooksService::PreReceiveError => e
merge_request.update(merge_error: e.message)
false
rescue StandardError => e
merge_request.update(merge_error: "Something went wrong during merge: #{e.message}")
log_merge_error(e.message)
false
ensure
merge_request.update(in_progress_merge_commit_sha: nil)
end
def after_merge
MergeRequests::PostMergeService.new(project, current_user).execute(merge_request)
if params[:should_remove_source_branch].present? || @merge_request.force_remove_source_branch?
DeleteBranchService.new(@merge_request.source_project, branch_deletion_user).
execute(merge_request.source_branch)
end
end
def branch_deletion_user
@merge_request.force_remove_source_branch? ? @merge_request.author : current_user
end
def log_merge_error(message, http_error = false)
Rails.logger.error("MergeService ERROR: #{merge_request_info} - #{message}")
error(message) if http_error
end
def merge_request_info
project = merge_request.project
"#{project.to_reference}#{merge_request.to_reference}"
end
end
end
|
