$ git clone -n https://src.fedoraproject.org/rpms/ghc-libffi.git /var/lib/mock/f33-build-124320-39660/root/chroot_tmpdir/scmroot/ghc-libffi
Cloning into '/var/lib/mock/f33-build-124320-39660/root/chroot_tmpdir/scmroot/ghc-libffi'...
$ git reset --hard 657c06ebdc8ae04c575632a640fa3f7be360a8a1
HEAD is now at 657c06e - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild