$ git clone -n https://src.fedoraproject.org/rpms/kdnssd.git /var/lib/mock/f43-build-side-115065-61050747-6588198/root/chroot_tmpdir/scmroot/kdnssd
Cloning into '/var/lib/mock/f43-build-side-115065-61050747-6588198/root/chroot_tmpdir/scmroot/kdnssd'...
$ git fetch origin a6cff496b982e2b7b88bc3a7613b1cbab3c388d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdnssd
 * [new ref]         a6cff496b982e2b7b88bc3a7613b1cbab3c388d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6cff49 25.07.80