$ git clone -n https://src.fedoraproject.org/rpms/jsonnet.git /var/lib/mock/f41-build-786009-13590/root/chroot_tmpdir/scmroot/jsonnet
Cloning into '/var/lib/mock/f41-build-786009-13590/root/chroot_tmpdir/scmroot/jsonnet'...
$ git fetch origin 35728343cc0e9cac34766a2e49721205ce457e04:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jsonnet
 * [new ref]         35728343cc0e9cac34766a2e49721205ce457e04 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3572834 Rebuilt for rapidyaml 0.6.0