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path: root/pkgs/development/compilers/jsonnet/default.nix
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{ stdenv, lib, jekyll, cmake, fetchFromGitHub, gtest }:

stdenv.mkDerivation rec {
  pname = "jsonnet";
  version = "0.20.0";
  outputs = [ "out" "doc" ];

  src = fetchFromGitHub {
    rev = "v${version}";
    owner = "google";
    repo = "jsonnet";
    sha256 = "sha256-FtVJE9alEl56Uik+nCpJMV5DMVVmRCnE1xMAiWdK39Y=";
  };

  nativeBuildInputs = [ jekyll cmake ];
  buildInputs = [ gtest ];

  cmakeFlags = [
    "-DUSE_SYSTEM_GTEST=ON"
    "-DBUILD_STATIC_LIBS=${if stdenv.hostPlatform.isStatic then "ON" else "OFF"}"
  ] ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [
    "-DBUILD_SHARED_BINARIES=${if stdenv.hostPlatform.isStatic then "OFF" else "ON"}"
  ];

  # https://github.com/google/jsonnet/issues/778
  patches = [
    ./fix-cpp-unresolved-symbols.patch
  ];

  enableParallelBuilding = true;

  # Upstream writes documentation in html, not in markdown/rst, so no
  # other output formats, sorry.
  postBuild = ''
    jekyll build --source ../doc --destination ./html
  '';

  postInstall = ''
    mkdir -p $out/share/doc/jsonnet
    cp -r ./html $out/share/doc/jsonnet
  '';

  meta = {
    description = "Purely-functional configuration language that helps you define JSON data";
    maintainers = with lib.maintainers; [ benley copumpkin ];
    license = lib.licenses.asl20;
    homepage = "https://github.com/google/jsonnet";
    platforms = lib.platforms.unix;
  };
}