$ git clone -n https://src.fedoraproject.org/rpms/ppl.git /var/lib/mock/f31-build-49553-27309/root/chroot_tmpdir/scmroot/ppl
Cloning into '/var/lib/mock/f31-build-49553-27309/root/chroot_tmpdir/scmroot/ppl'...
$ git reset --hard 64be30465862547b412798d75c752a75887e5c8b
HEAD is now at 64be304 Fix building with pl 8.x.  Fix C++11 detection.