$ git clone -n https://src.fedoraproject.org/rpms/libx86.git /var/lib/mock/f31-build-62859-29269/root/chroot_tmpdir/scmroot/libx86
Cloning into '/var/lib/mock/f31-build-62859-29269/root/chroot_tmpdir/scmroot/libx86'...
$ git reset --hard fc30b29318395d74885d23f0d9f92e04bb132931
HEAD is now at fc30b29 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild