$ git clone -n https://src.fedoraproject.org/rpms/rust-netlink-packet-route.git /var/lib/mock/f40-build-2681986-67963/root/chroot_tmpdir/scmroot/rust-netlink-packet-route
Cloning into '/var/lib/mock/f40-build-2681986-67963/root/chroot_tmpdir/scmroot/rust-netlink-packet-route'...
$ git fetch origin ff00071ae0956d7b832c92d4aa023ed4046bf4ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-netlink-packet-route
 * [new ref]         ff00071ae0956d7b832c92d4aa023ed4046bf4ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff00071 Upgrade to 0.19.0