nix-darwin/tests/system-packages.nix

{ config, pkgs, ... }:

let
  hello = pkgs.runCommand "hello-0.0.0" {} ''
    mkdir -p $out/bin $out/lib
    touch $out/bin/hello $out/lib/libhello.dylib
  '';
in

{
   environment.systemPackages = [ hello ];

   test = ''
     echo checking hello binary in /sw/bin >&2
     test -e ${config.out}/sw/bin/hello
     test "$(readlink -f ${config.out}/sw/bin/hello)" = "${hello}/bin/hello"

     echo checking for unexpected paths in /sw/bin >&2
     test -e ${config.out}/sw/lib/libhello.dylib && return
   '';
}