$ git clone -n https://src.fedoraproject.org/rpms/cylindrix.git /var/lib/mock/f39-build-1457818-33017/root/chroot_tmpdir/scmroot/cylindrix
Cloning into '/var/lib/mock/f39-build-1457818-33017/root/chroot_tmpdir/scmroot/cylindrix'...
$ git fetch origin f78ea89f7c4fd53a83e6d9872be3af70f2049276:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cylindrix
 * [new ref]         f78ea89f7c4fd53a83e6d9872be3af70f2049276 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f78ea89 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild