$ git clone -n https://src.fedoraproject.org/rpms/cmrt.git /var/lib/mock/f38-build-side-42-init-devel-860790-28428/root/chroot_tmpdir/scmroot/cmrt
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-860790-28428/root/chroot_tmpdir/scmroot/cmrt'...
$ git fetch origin eaa343f290bb3f63509c230881d3afcdfda43ff5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cmrt
 * [new ref]         eaa343f290bb3f63509c230881d3afcdfda43ff5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eaa343f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild