$ git clone -n https://src.fedoraproject.org/rpms/snip.git /var/lib/mock/f39-build-1520747-35831/root/chroot_tmpdir/scmroot/snip
Cloning into '/var/lib/mock/f39-build-1520747-35831/root/chroot_tmpdir/scmroot/snip'...
$ git fetch origin b456638c83b34cbe1876bf318d2da00c79910f5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/snip
 * [new ref]         b456638c83b34cbe1876bf318d2da00c79910f5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b456638 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild