my-pkgs/pkgs/dolos/default.nix

{
  lib,
  buildNpmPackage,
  fetchFromGitHub,
  python3,
  nodejs,
}:

let
  version = "2.9.3";

  tree-sitter-elixir = fetchFromGitHub {
    owner = "elixir-lang";
    repo = "tree-sitter-elixir";
    rev = "v0.3.5";
    hash = "sha256-C5/+t49pcFh45GqLZRjRs/sH8Ej+dklR/brad+snsyQ=";
  };
in
buildNpmPackage rec {
  pname = "dolos";
  inherit version;

  inherit nodejs;

  src = fetchFromGitHub {
    owner = "dodona-edu";
    repo = "dolos";
    rev = "v${version}";
    hash = "sha256-kilCxSe4njHyoXVXpyLmx5HnGkzFptLYOypQmldGnzc=";
    fetchSubmodules = true;
  };

  npmWorkspace = "cli";
  npmDepsHash = "sha256-3RMUWo6vybfi0BvQ12jjxuYFPDe3HkTv24L3BsuOCFg=";

  nativeBuildInputs = [ python3 ];

  TREE_SITTER_BUILD_FROM_SOURCE = "1";
  npm_config_build_from_source = "true";

  dontNpmBuild = true;

  npmRebuildFlags = [ "--ignore-scripts" ];

  postConfigure = ''
    sed -i '2s/^/process.exit(0);\n/' node_modules/tree-sitter-cli/install.js
    npm rebuild
  '';

  preBuild = ''
    cp -r ${tree-sitter-elixir} parsers/elixir
    chmod -R u+w parsers/elixir

    cat > parsers/elixir/binding.gyp << 'GYPEOF'
{
  "targets": [
    {
      "target_name": "tree_sitter_elixir_binding",
      "dependencies": [
        "<!(node -p \"require('node-addon-api').targets\"):node_addon_api_except",
      ],
      "include_dirs": [
        "src",
        "src/tree_sitter",
      ],
      "sources": [
        "bindings/node/binding.cc",
        "src/parser.c",
        "src/scanner.c",
      ],
      "cflags_c": ["-std=c11"],
    }
  ]
}
GYPEOF

    cat > parsers/binding.gyp << 'GYPEOF'
{
  "includes": [
    "bash/binding.gyp",
    "c/binding.gyp",
    "cpp/binding.gyp",
    "c_sharp/binding.gyp",
    "elm/binding.gyp",
    "elixir/binding.gyp",
    "go/binding.gyp",
    "groovy/binding.gyp",
    "java/binding.gyp",
    "javascript/binding.gyp",
    "modelica/binding.gyp",
    "ocaml/binding.gyp",
    "php/binding.gyp",
    "python/binding.gyp",
    "r/binding.gyp",
    "rust/binding.gyp",
    "scala/binding.gyp",
    "sql/binding.gyp",
    "typescript/binding.gyp",
    "verilog/binding.gyp"
  ]
}
GYPEOF

    sed -i '/^parsers.verilog/a \
parsers.elixir = require("./build/Release/tree_sitter_elixir_binding");\
parsers.elixir.nodeTypeInfo = require("./elixir/src/node-types.json");
' parsers/index.js

    npm run build -w parsers
  '';

  buildPhase = ''
    runHook preBuild
    npm run build -w cli
    npm run build -w lib
    npm run build -w core
    npm run build -w web
    runHook postBuild
  '';

  postInstall = ''
    cp -r lib $out/lib/node_modules/dolos-meta/lib
    chmod -R u+w $out/lib/node_modules/dolos-meta/lib
    cp -r core $out/lib/node_modules/dolos-meta/core
    chmod -R u+w $out/lib/node_modules/dolos-meta/core
    cp -r parsers $out/lib/node_modules/dolos-meta/parsers
    chmod -R u+w $out/lib/node_modules/dolos-meta/parsers

    dolonsDir="$out/lib/node_modules/dolos-meta/node_modules/@dodona"

    rm -rf "$dolonsDir/dolos-web"
    mkdir -p "$dolonsDir/dolos-web"
    install -m644 web/index.js "$dolonsDir/dolos-web/index.js"
    install -m644 web/index.d.ts "$dolonsDir/dolos-web/index.d.ts" 2>/dev/null || true
    install -m644 web/package.json "$dolonsDir/dolos-web/package.json"
    cp -r web/dist "$dolonsDir/dolos-web/dist"
    chmod -R u+w "$dolonsDir/dolos-web"

    rm "$dolonsDir/dolos"
    ln -s ../.. "$dolonsDir/dolos"
  '';

  meta = {
    description = "Source code plagiarism detection tool for programming exercises";
    homepage = "https://dolos.ugent.be";
    license = lib.licenses.mit;
    mainProgram = "dolos";
    platforms = lib.platforms.linux ++ lib.platforms.darwin;
  };
}