NIXPKG1 http://releases.strategoxt.org/pgen-with-aterm64/pgen-2.8.1pre27746-xs00kzkq/MANIFEST pgen-2.8.1pre27746 i686-darwin /nix/store/wwa4m27767fa5pvm4rxslhk0nigjhn0d-pgen.drv /nix/store/7kjah723h5q6s8xx1b7zv63c7yr9rkvm-pgen