$ git clone -n https://src.fedoraproject.org/rpms/kiss.git /var/lib/mock/f39-build-1962926-43272/root/chroot_tmpdir/scmroot/kiss
Cloning into '/var/lib/mock/f39-build-1962926-43272/root/chroot_tmpdir/scmroot/kiss'...
$ git fetch origin 9dab1a39823392b3455ee7369752e71fa514eba7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kiss
 * [new ref]         9dab1a39823392b3455ee7369752e71fa514eba7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9dab1a3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild