NIXPKG1 http://releases.strategoxt.org/pgen-with-aterm64/pgen-2.8.1pre26912-2hh0kjyx/MANIFEST pgen-2.8.1pre26912 i686-darwin /nix/store/2si7f3xmbbgm11b9z8ha0ka85gbrfrxi-pgen.drv /nix/store/a0nm6a4vrsdmx2pminll29xc0mwch65b-pgen