$ git clone -n https://src.fedoraproject.org/rpms/libnetfilter_conntrack.git /var/lib/mock/f31-build-59169-28548/root/chroot_tmpdir/scmroot/libnetfilter_conntrack
Cloning into '/var/lib/mock/f31-build-59169-28548/root/chroot_tmpdir/scmroot/libnetfilter_conntrack'...
$ git reset --hard 42ea58c7523338276db64ac6b682cfd578b2a071
HEAD is now at 42ea58c - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild