$ git clone -n https://src.fedoraproject.org/rpms/cervisia.git /var/lib/mock/f38-build-716132-95855/root/chroot_tmpdir/scmroot/cervisia
Cloning into '/var/lib/mock/f38-build-716132-95855/root/chroot_tmpdir/scmroot/cervisia'...
$ git fetch origin 3c82d6aea5a0eca825a46f0d4d88d79d592a9ac9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cervisia
 * [new ref]         3c82d6aea5a0eca825a46f0d4d88d79d592a9ac9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c82d6a 23.04.1