$ git clone -n https://src.fedoraproject.org/rpms/modello.git /var/lib/mock/f38-build-side-42-init-devel-759653-27691/root/chroot_tmpdir/scmroot/modello
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-759653-27691/root/chroot_tmpdir/scmroot/modello'...
$ git fetch origin 6160830c4a0522f5409fdd6622d9db338daf509c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/modello
 * [new ref]         6160830c4a0522f5409fdd6622d9db338daf509c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6160830 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild