$ git clone -n https://src.fedoraproject.org/rpms/nauty.git /var/lib/mock/f40-build-752004-116554/root/chroot_tmpdir/scmroot/nauty
Cloning into '/var/lib/mock/f40-build-752004-116554/root/chroot_tmpdir/scmroot/nauty'...
$ git reset --hard da392decd8187b79f7d9e766db52f03a648d0e97
HEAD is now at da392de Version 2.8.8.  Drop upstreamed gentreeg patch.