default.nix

{ nixpkgs ? (import <nixpkgs> {}).pkgsMusl, compiler ? "default", doBenchmark ? false }:

let

  inherit (nixpkgs) pkgs;

  f = { mkDerivation, aeson, base, bytestring, directory, filepath
      , hasql, optparse-applicative, stdenv, text, time
      }:
      mkDerivation {
        pname = "atrc-audit";
        version = "0.1.0.0";
        src = ./.;
        isLibrary = false;
        isExecutable = true;
        executableHaskellDepends = [
          aeson base bytestring directory hasql filepath optparse-applicative
          text time
        ];
        license = stdenv.lib.licenses.bsd3;
        enableSharedExecutables = false;
        enableSharedLibraries = false;
        configureFlags = [
          "--ghc-option=-optl=-pthread"
          "--ghc-option=-optl=-static -fPIC"
          "--ghc-option=-optl=-L${pkgs.gmp6.override { withStatic = true; }}/lib"
          "--ghc-option=-optl=-L${pkgs.zlib.static}/lib"
          "--ghc-option=-optl=-L${pkgs.glibc.static}/lib"
        ];
      };

  haskellPackages = if compiler == "default"
                       then pkgs.haskellPackages
                       else pkgs.haskell.packages.${compiler};

  variant = if doBenchmark then pkgs.haskell.lib.doBenchmark else pkgs.lib.id;

  drv = variant (haskellPackages.callPackage f {});

in

  if pkgs.lib.inNixShell then drv.env else drv