brave.flake.nix

{
  description = "Build configuration for brave browser";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
  };

  outputs = { nixpkgs, ... }@inputs: let
    system = "x86_64-linux";
    pkgs = import nixpkgs { inherit system; };

    nixpkgs_chromium_path = "${inputs.nixpkgs}/pkgs/applications/networking/browsers/chromium";

    python3WithPackages = pkgs.python3.pythonOnBuildForHost.withPackages (
        ps: with ps; [
          ply
          jinja2
          setuptools
        ]
      );

    # https://github.com/NixOS/nixpkgs/blob/d2cb712ff42e36a466e25131b17a5403c7b3d4f3/pkgs/applications/networking/browsers/chromium/common.nix#L294
    nativeBuildInputs = pkgs: with pkgs; [
      nodejs_22 # brave requires to node be v22.
      # chromium
      ninja
      gn # new version required?

      pkg-config
      python3WithPackages
      perl
      which
      buildPackages.rustc.llvmPackages.bintools
      bison
      gperf

      libusb1
      udev
      curlFull # libcurl-gnutls.so.4
      curlWithGnuTls
      lief
      zlib

      # https://chromium.googlesource.com/chromium/src/+/refs/heads/main/tools/nix/make-shell-for-system.nix
      google-cloud-sdk pkg-config zlib gperf expat glib nss nspr
    ];

    PROJECT_ROOT = builtins.getEnv "PWD";

  in with pkgs; {
    devShells.${system}.default = (buildFHSEnv {
      name = "brave-dev";
      targetPkgs = nativeBuildInputs;
      multiArch = true;
      profile = ''
        export PATH=${PROJECT_ROOT}/src/third_party/depot_tools:$PATH
        alias cd="cd -P"
      '';
    }).env;
  };
}