$ git clone -n https://src.fedoraproject.org/rpms/rubygem-daemon_controller.git /var/lib/mock/f40-build-2247911-53927/root/chroot_tmpdir/scmroot/rubygem-daemon_controller
Cloning into '/var/lib/mock/f40-build-2247911-53927/root/chroot_tmpdir/scmroot/rubygem-daemon_controller'...
$ git fetch origin e948f990217ab9725a09387aad3a692fd80dbcc9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-daemon_controller
 * [new ref]         e948f990217ab9725a09387aad3a692fd80dbcc9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e948f99 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild