json.gitlink_repo_address "#{EduSetting.get("gitlink_repo_domain")}/#{@project.owner&.login}/#{@project.identifier}.git"
json.external_repo_address @sync_repository1.external_repo_address
json.sync_granularity @sync_repository1.sync_granularity
json.gitlink_branch_name @sync_repository_branch1&.gitlink_branch_name
json.external_branch_name @sync_repository_branch1&.external_branch_name