$ git clone -n https://src.fedoraproject.org/rpms/kmix.git /var/lib/mock/f42-build-863609-171716/root/chroot_tmpdir/scmroot/kmix
Cloning into '/var/lib/mock/f42-build-863609-171716/root/chroot_tmpdir/scmroot/kmix'...
$ git fetch origin 8608825911e81d2e1b753ea671e17943c285030a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmix
 * [new ref]         8608825911e81d2e1b753ea671e17943c285030a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8608825 24.12.0