trezor-suite/flake.nix

{
  description = "Trezor Suite development environment";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; 
    flake-utils.url = "github:numtide/flake-utils";
    playwright-web-flake.url = "github:pietdevries94/playwright-web-flake/1.52.0";
    old-gcc-nixpkgs.url = "github:NixOS/nixpkgs/a78ed5cbdd5427c30ca02a47ce6cccc9b7d17de4";  # For GCC 10.2.0
  };

  outputs = { self, nixpkgs, flake-utils, playwright-web-flake, old-gcc-nixpkgs, ... }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        overlay = final: prev: {
          # Overlay playwright packages
          inherit (playwright-web-flake.packages.${system}) playwright-test playwright-driver;
          
          # Override GCC with older version
          gccPkgs = import old-gcc-nixpkgs { system = prev.system; };
        };

        pkgs = import nixpkgs {
          inherit system;
          overlays = [ overlay ];
          config.allowUnfree = true;
        };

      in {
        devShells.default = pkgs.mkShell {
          buildInputs = [
            pkgs.bash
            pkgs.git
            pkgs.git-lfs
            pkgs.gnupg
            pkgs.mdbook
            pkgs.xorg.xhost
            pkgs.docker
            pkgs.docker-compose
            pkgs.nodejs_22
            (pkgs.yarn.override { nodejs = null; })
            pkgs.python3
            pkgs.python3Packages.pip
            pkgs.jre
            pkgs.electron_36
            pkgs.pkg-config
            pkgs.pixman # build dependencies for node-canvas
            pkgs.cairo # build dependencies for node-canvas
            pkgs.giflib # build dependencies for node-canvas
            pkgs.libjpeg # build dependencies for node-canvas
            pkgs.libpng # build dependencies for node-canvas
            pkgs.librsvg # build dependencies for node-canvas
            pkgs.pango # build dependencies for node-canvas
            pkgs.shellcheck
            pkgs.playwright-test  # From playwright-web-flake
          ] ++ pkgs.lib.optionals pkgs.stdenv.isLinux [
            pkgs.nsis
            pkgs.p7zip
            pkgs.openjpeg
            pkgs.osslsigncode
            pkgs.squashfsTools
            pkgs.gccPkgs.gcc  # Older GCC
            pkgs.udev # used by node_module: usb
          ] ++ pkgs.lib.optionals pkgs.stdenv.isDarwin (with pkgs.darwin.apple_sdk.frameworks; [
            Cocoa
            CoreServices
          ]);

          NIX_PATCHELF_LIBRARY_PATH = "${pkgs.openssl.out}/lib:${pkgs.zlib}/lib:${pkgs.gcc.cc.lib}/lib";
          NIX_CC = "${pkgs.gcc}";

          shellHook = ''
            export NODE_OPTIONS=--max_old_space_size=4096
            export CURDIR="$(pwd)"
            export PATH="$PATH:$CURDIR/node_modules/.bin"
            export ELECTRON_BUILDER_CACHE="$CURDIR/.cache/electron-builder"
            export PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1
            export PLAYWRIGHT_SKIP_VALIDATE_HOST_REQUIREMENTS=true
            export PLAYWRIGHT_BROWSERS_PATH="${pkgs.playwright-driver.browsers}"
                        
            echo "welcome to the Trezor Suite development environment"
            echo "- Node.js $(node --version)"
            echo "- npm $(npm --version)"
            echo "- Yarn $(yarn --version)"
            echo "- Playwright $(playwright --version)"
            
          '' + pkgs.lib.optionalString pkgs.stdenv.isDarwin ''
            export ELECTRON_OVERRIDE_DIST_PATH="${pkgs.electron_36}/Applications/"
          '' + pkgs.lib.optionalString pkgs.stdenv.isLinux ''
            export ELECTRON_OVERRIDE_DIST_PATH="${pkgs.electron_36}/bin/"
            export npm_config_build_from_source=true
          '';
        };
      });
}