depot/third_party/nixpkgs/pkgs/build-support/dotnet/dotnetenv/build-solution.nix

{
  lib,
  stdenv,
  dotnetfx,
}:
{
  name,
  src,
  baseDir ? ".",
  slnFile,
  targets ? "ReBuild",
  verbosity ? "detailed",
  options ? "/p:Configuration=Debug;Platform=Win32",
  assemblyInputs ? [ ],
  preBuild ? "",
  modifyPublicMain ? false,
  mainClassFile ? null,
}:

assert modifyPublicMain -> mainClassFile != null;

stdenv.mkDerivation {
  inherit name src;

  buildInputs = [ dotnetfx ];

  preConfigure = ''
    cd ${baseDir}
  '';

  preBuild = ''
    ${lib.optionalString modifyPublicMain ''
      sed -i -e "s|static void Main|public static void Main|" ${mainClassFile}
    ''}
    ${preBuild}
  '';

  installPhase = ''
    runHook preInstall

    addDeps() {
      if [ -f $1/nix-support/dotnet-assemblies ]; then
        for i in $(cat $1/nix-support/dotnet-assemblies); do
          windowsPath=$(cygpath --windows $i)
          assemblySearchPaths="$assemblySearchPaths;$windowsPath"

          addDeps $i
        done
      fi
    }

    for i in ${toString assemblyInputs}; do
      windowsPath=$(cygpath --windows $i)
      echo "Using assembly path: $windowsPath"

      if [ "$assemblySearchPaths" = "" ]; then
        assemblySearchPaths="$windowsPath"
      else
        assemblySearchPaths="$assemblySearchPaths;$windowsPath"
      fi

      addDeps $i
    done

    echo "Assembly search paths are: $assemblySearchPaths"

    if [ "$assemblySearchPaths" != "" ]; then
      echo "Using assembly search paths args: $assemblySearchPathsArg"
      export AssemblySearchPaths=$assemblySearchPaths
    fi

    mkdir -p $out
    MSBuild.exe ${toString slnFile} /nologo /t:${targets} /p:IntermediateOutputPath=$(cygpath --windows $out)\\ /p:OutputPath=$(cygpath --windows $out)\\ /verbosity:${verbosity} ${options}

    # Because .NET assemblies store strings as UTF-16 internally, we cannot detect
    # hashes. Therefore a text files containing the proper paths is created
    # We can also use this file the propagate transitive dependencies.

    mkdir -p $out/nix-support

    for i in ${toString assemblyInputs}; do
      echo $i >> $out/nix-support/dotnet-assemblies
    done

    runHook postInstall
  '';
}