$ git clone -n https://src.fedoraproject.org/rpms/rust-netlink-packet-route.git /var/lib/mock/f40-build-2092936-50295/root/chroot_tmpdir/scmroot/rust-netlink-packet-route
Cloning into '/var/lib/mock/f40-build-2092936-50295/root/chroot_tmpdir/scmroot/rust-netlink-packet-route'...
$ git fetch origin 55d37896d261ede6a42a6931a9750435121ff0a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-netlink-packet-route
 * [new ref]         55d37896d261ede6a42a6931a9750435121ff0a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55d3789 Upgrade to 0.18.1