$ git clone -n https://src.fedoraproject.org/rpms/fedscm-admin.git /var/lib/mock/f39-build-1720591-41229/root/chroot_tmpdir/scmroot/fedscm-admin
Cloning into '/var/lib/mock/f39-build-1720591-41229/root/chroot_tmpdir/scmroot/fedscm-admin'...
$ git fetch origin 53a1aa2eb56347ec958aaf6200421e7d06cf32aa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fedscm-admin
 * [new ref]         53a1aa2eb56347ec958aaf6200421e7d06cf32aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53a1aa2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild