$ git clone -n https://src.fedoraproject.org/rpms/xs.git /var/lib/mock/f31-build-111131-34118/root/chroot_tmpdir/scmroot/xs
Cloning into '/var/lib/mock/f31-build-111131-34118/root/chroot_tmpdir/scmroot/xs'...
$ git reset --hard 2f6bf220ae7c79e6e21e6d082cb3f2be713f1fff
HEAD is now at 2f6bf22 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild