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module MergeRequests
class CreateService < MergeRequests::BaseService
def execute
# @project is used to determine whether the user can set the merge request's
# assignee, milestone and labels. Whether they can depends on their
# permissions on the target project.
source_project = @project
@project = Project.find(params[:target_project_id]) if params[:target_project_id]
merge_request = MergeRequest.new
merge_request.target_project = @project
merge_request.source_project = source_project
merge_request.source_branch = params[:source_branch]
merge_request.merge_params['force_remove_source_branch'] = params.delete(:force_remove_source_branch)
# n+1: https://gitlab.com/gitlab-org/gitlab-ce/issues/37439
Gitlab::GitalyClient.allow_n_plus_1_calls do
create(merge_request)
end
end
def before_create(merge_request)
# current_user (defined in BaseService) is not available within run_after_commit block
user = current_user
merge_request.run_after_commit do
NewMergeRequestWorker.perform_async(merge_request.id, user.id)
end
end
def after_create(issuable)
todo_service.new_merge_request(issuable, current_user)
issuable.cache_merge_request_closes_issues!(current_user)
update_merge_requests_head_pipeline(issuable)
super
end
# expose issuable create method so it can be called from email
# handler CreateMergeRequestHandler
def create(merge_request)
super
end
private
def update_merge_requests_head_pipeline(merge_request)
pipeline = head_pipeline_for(merge_request)
merge_request.update(head_pipeline_id: pipeline.id) if pipeline
end
def head_pipeline_for(merge_request)
return unless merge_request.source_project
sha = merge_request.source_branch_sha
return unless sha
pipelines = merge_request.source_project.pipelines.where(ref: merge_request.source_branch, sha: sha)
pipelines.order(id: :desc).first
end
end
end
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