$ git clone -n https://src.fedoraproject.org/rpms/ghc-libffi.git /var/lib/mock/f33-build-288104-54000/root/chroot_tmpdir/scmroot/ghc-libffi
Cloning into '/var/lib/mock/f33-build-288104-54000/root/chroot_tmpdir/scmroot/ghc-libffi'...
$ git reset --hard 77ab56f636cb093360cac6424ebebf64a10ace9e
HEAD is now at 77ab56f - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild