$ git clone -n https://src.fedoraproject.org/rpms/nightfall.git /var/lib/mock/f31-build-63057-29275/root/chroot_tmpdir/scmroot/nightfall
Cloning into '/var/lib/mock/f31-build-63057-29275/root/chroot_tmpdir/scmroot/nightfall'...
$ git reset --hard 6faf66c9e911dbcd0ff8b5b1689fae0eb50baaca
HEAD is now at 6faf66c - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild