difit

flake.nix

{
  description = "Standalone flake for yoshiko-pg/difit";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/da5ad661ba4e5ef59ba743f0d112cbc30e474f32";
  };

  outputs =
    { self, nixpkgs }:
    let
      lib = nixpkgs.lib;
      systems = [
        "x86_64-linux"
        "aarch64-linux"
        "x86_64-darwin"
        "aarch64-darwin"
      ];
      forAllSystems = lib.genAttrs systems;
    in
    {
      packages = forAllSystems (
        system:
        let
          pkgs = import nixpkgs { inherit system; };
          pnpmPkg = pkgs.pnpm_10 or pkgs.pnpm;
          difit = pkgs.stdenv.mkDerivation (finalAttrs: {
            pname = "difit";
            version = "5.0.0";

            src = pkgs.fetchFromGitHub {
              owner = "yoshiko-pg";
              repo = "difit";
              tag = "v${finalAttrs.version}";
              hash = "sha256-4YFja6wQmWfRlUmXnUwxAO2IF9T17azNEXn5X4i+YMc=";
            };

            pnpmDeps = pkgs.fetchPnpmDeps {
              inherit (finalAttrs) pname version src;
              pnpm = pnpmPkg;
              fetcherVersion = 3;
              hash = "sha256-EIugUnOyVDZ7tWXeoUdYcp0q4xaEKeC+Hx3yIL0UGbs=";
            };

            nativeBuildInputs = [
              pkgs.nodejs
              pkgs.pnpmConfigHook
              pnpmPkg
              pkgs.makeWrapper
            ];

            postPatch = ''
              ${pkgs.jq}/bin/jq 'del(.scripts.prepare)' package.json > package.json.tmp
              mv package.json.tmp package.json
            '';

            buildPhase = ''
              runHook preBuild
              pnpm build
              CI=true pnpm prune --prod
              find node_modules -xtype l -delete
              rm -f node_modules/.modules.yaml
              runHook postBuild
            '';

            installPhase = ''
              runHook preInstall

              appdir="$out/lib/difit"
              mkdir -p "$appdir" "$out/bin"
              cp -r dist node_modules package.json "$appdir"/
              find "$appdir/node_modules" -xtype l -delete

              makeWrapper ${pkgs.nodejs}/bin/node "$out/bin/difit" \
                --add-flags "$appdir/dist/cli/index.js" \
                --set NODE_PATH "$appdir/node_modules" \
                --prefix PATH : ${lib.makeBinPath [ pkgs.git ]}

              runHook postInstall
            '';

            nativeInstallCheckInputs = [ pkgs.versionCheckHook ];
            doInstallCheck = true;
            versionCheckProgramArg = "--version";

            meta = {
              description = "CLI tool to view local git diffs in a GitHub-style web viewer";
              homepage = "https://github.com/yoshiko-pg/difit";
              changelog = "https://github.com/yoshiko-pg/difit/releases/tag/v${finalAttrs.version}";
              license = lib.licenses.mit;
              mainProgram = "difit";
              platforms = lib.platforms.unix;
            };
          });
        in
        {
          default = difit;
          difit = difit;
        }
      );

      apps = forAllSystems (system: {
        default = {
          type = "app";
          program = "${self.packages.${system}.default}/bin/difit";
        };
      });
    };
}

https://github.com/yoshiko-pg/difit

nix run --refresh --no-write-lock-file git+https://gist.github.com/mausch/26506e6ba0c588e02b763ffef6b500c8.git