$ git clone -n https://src.fedoraproject.org/rpms/kf6-kauth.git /var/lib/mock/f40-build-2198761-51704/root/chroot_tmpdir/scmroot/kf6-kauth
Cloning into '/var/lib/mock/f40-build-2198761-51704/root/chroot_tmpdir/scmroot/kf6-kauth'...
$ git fetch origin 57ad4063794a97d321f3408a1fe3a30ff783e0f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kauth
 * [new ref]         57ad4063794a97d321f3408a1fe3a30ff783e0f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57ad406 5.247.0