$ git clone -n https://src.fedoraproject.org/rpms/suricata.git /var/lib/mock/f42-build-863107-171404/root/chroot_tmpdir/scmroot/suricata
Cloning into '/var/lib/mock/f42-build-863107-171404/root/chroot_tmpdir/scmroot/suricata'...
$ git fetch origin b5778a84b8b7a6448c7c76f364b8c525f961c94d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/suricata
 * [new ref]         b5778a84b8b7a6448c7c76f364b8c525f961c94d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5778a8 Rebuild for Jansson 2.14