{ pkgs ? import ./nix {}
}:
let
  stripDeps = pkg: pkgs.runCommand "${pkg.name}-deps-stripped" {}
  ''
    cp -r ${pkg} $out
    chmod -R a+w $out
    rm -rf $out/lib
    find $out/bin -name '*.d' -delete
    chmod -R a-w $out
  '';
in {
  ofborg.rs = let
    drv = (pkgs.callPackage ./nix/ofborg-carnix.nix {}).ofborg {};
    build = drv.override {
      crateOverrides = pkgs.defaultCrateOverrides // {
        ofborg = attrs: {
          buildInputs = pkgs.lib.optionals pkgs.stdenv.isDarwin
                     [ pkgs.darwin.apple_sdk.frameworks.Security ];
        };
      };
    };
  in pkgs.runCommand "ofborg-rs-symlink-compat" {
    src = stripDeps build;
  } ''

    set -x

    mkdir -p $out/bin
    for f in $(find $src -type f); do
      bn=$(basename "$f")
      ln -s "$f" "$out/bin/$bn"

      # Rust 1.n? or Cargo  starting outputting bins with dashes
      # instead of underscores ... breaking all the callers.
      if echo "$bn" | grep -q "-"; then
        ln -s "$f" "$out/bin/$(echo "$bn" | tr '-' '_')"
      fi
    done

    test -e $out/bin/builder
    test -e $out/bin/github_comment_filter
    test -e $out/bin/github_comment_poster
    test -e $out/bin/log_message_collector
    test -e $out/bin/evaluation_filter
  '';

  ircbot = stripDeps ((pkgs.callPackage ./nix/ircbot-carnix.nix {}).ircbot {});

  ofborg.php = pkgs.runCommand
    "ofborg"
    {
      src = builtins.filterSource
        (path: type: !(
             (type == "symlink" && baseNameOf path == "result")
          || (type == "directory" && baseNameOf path == ".git")
        ))
        ./php;
    }
    ''
      cp -r $src ./ofborg
      chmod -R u+w ./ofborg
      cd ofborg
      ls -la
      cd ..
      mv ofborg $out
    '';
}