NIXPKG1 http://releases.strategoxt.org/pgen-with-aterm64/pgen-2.8.1pre26912-6h80saaj/MANIFEST pgen-2.8.1pre26912 i686-linux /nix/store/9ss5diyrvpz06wnn746l8028a77nnl0y-pgen.drv /nix/store/xp35iqxqcmksawng9q1bkwkx9p5zl4p3-pgen