$ git clone -n https://src.fedoraproject.org/rpms/juk.git /var/lib/mock/f41-build-857343-168046/root/chroot_tmpdir/scmroot/juk
Cloning into '/var/lib/mock/f41-build-857343-168046/root/chroot_tmpdir/scmroot/juk'...
$ git fetch origin 16db747e61b62f0976a9148478e741b7327f2b27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/juk
 * [new ref]         16db747e61b62f0976a9148478e741b7327f2b27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16db747 24.08.2