$ git clone -n https://src.fedoraproject.org/rpms/libX11.git /var/lib/mock/f31-build-67748-30085/root/chroot_tmpdir/scmroot/libX11
Cloning into '/var/lib/mock/f31-build-67748-30085/root/chroot_tmpdir/scmroot/libX11'...
$ git reset --hard c408ce0ff7e1bd857f312bd845f0bb8b85aa9840
HEAD is now at c408ce0 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild