$ git clone -n https://src.fedoraproject.org/rpms/libXau.git /var/lib/mock/f31-build-87010-31722/root/chroot_tmpdir/scmroot/libXau
Cloning into '/var/lib/mock/f31-build-87010-31722/root/chroot_tmpdir/scmroot/libXau'...
$ git reset --hard 656b70a43e1f223003e64214dfe94f52df293c1d
HEAD is now at 656b70a - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild