gitlab-org--gitlab-foss/app/services/merge_requests/merge_service.rb

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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, :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_comitter(current_user)
options = {
message: commit_message,
author: committer,
committer: committer
}
repository.merge(current_user, merge_request.source_sha, merge_request.target_branch, options)
end
def after_merge
MergeRequests::PostMergeService.new(project, current_user).execute(merge_request)
end
end
end