$ git clone -n https://src.fedoraproject.org/rpms/katomic.git /var/lib/mock/f39-build-1955605-43238/root/chroot_tmpdir/scmroot/katomic
Cloning into '/var/lib/mock/f39-build-1955605-43238/root/chroot_tmpdir/scmroot/katomic'...
$ git fetch origin c2ccc83c7d0b30ba6082c6d361eb62834b422d3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/katomic
 * [new ref]         c2ccc83c7d0b30ba6082c6d361eb62834b422d3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2ccc83 Update to 23.08.4