$ git clone -n https://src.fedoraproject.org/rpms/granatier.git /var/lib/mock/f39-build-1670781-40852/root/chroot_tmpdir/scmroot/granatier
Cloning into '/var/lib/mock/f39-build-1670781-40852/root/chroot_tmpdir/scmroot/granatier'...
$ git fetch origin d2919637269292dcd9c08e6b1204fe7eec1f4afa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/granatier
 * [new ref]         d2919637269292dcd9c08e6b1204fe7eec1f4afa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d291963 23.08.2