$ git clone -n https://src.fedoraproject.org/rpms/kompare.git /var/lib/mock/f39-build-1629087-39508/root/chroot_tmpdir/scmroot/kompare
Cloning into '/var/lib/mock/f39-build-1629087-39508/root/chroot_tmpdir/scmroot/kompare'...
$ git fetch origin a5da495c1585bf3267ebda1bbfedf35c61d7b50b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kompare
 * [new ref]         a5da495c1585bf3267ebda1bbfedf35c61d7b50b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5da495 23.08.2