tests.haskell.ghcWithPackages: init (#415638)

{ lib, callPackage }:

lib.recurseIntoAttrs {

  shellFor = callPackage ./shellFor { };

  cabalSdist = callPackage ./cabalSdist { };

  documentationTarball = callPackage ./documentationTarball { };

  setBuildTarget = callPackage ./setBuildTarget { };

  ghcWithPackages = callPackage ./ghcWithPackages { };

  incremental = callPackage ./incremental { };

  setBuildTarget = callPackage ./setBuildTarget { };

  shellFor = callPackage ./shellFor { };

  upstreamStackHpackVersion = callPackage ./upstreamStackHpackVersion { };

}

{

  lib,

  runCommand,

  haskellPackages,

}:

lib.recurseIntoAttrs {

  # This is special-cased to return just `ghc`.

  trivial = haskellPackages.ghcWithPackages (hsPkgs: [ ]);

  # Here we actually build a trivial package.

  hello = haskellPackages.ghcWithPackages (hsPkgs: [

    hsPkgs.hello

  ]);

  # Here we build a database with multiple packages.

  multiple = haskellPackages.ghcWithPackages (hsPkgs: [

    hsPkgs.hspec

    hsPkgs.unordered-containers

  ]);

  # See: https://github.com/NixOS/nixpkgs/pull/224542

  regression-224542 =

    runCommand "regression-224542"

      {

        buildInputs = [

          (haskellPackages.ghcWithPackages (hsPkgs: [

            hsPkgs.hspec

          ]))

        ];

      }

      ''

        ghc --interactive \

          -Werror=unrecognised-warning-flags \

          -Werror=missed-extra-shared-lib \

          2>&1 \

        | tee ghc-output.txt

        # If GHC failed to find a shared library, linking dylibs in

        # `ghcWithPackages` didn't work correctly.

        if grep --quiet "error: .*-Wmissed-extra-shared-lib" ghc-output.txt \

          && grep --quiet "no such file" ghc-output.txt; then

          exit 1

        fi

        touch $out

      '';

}