NIXPKG1 http://releases.strategoxt.org/pgen-with-aterm64/pgen-2.8.1pre27746-8m0vmm14/MANIFEST pgen-2.8.1pre27746 i686-darwin /nix/store/d4lbibv8haz9r2z5s8cw9xh6qypx4zr7-pgen.drv /nix/store/cjvc9c5pkzbsn2jyz6qixs8bpqgfnnm8-pgen