zen-browser-flake/flake.nix

{
  description = "Zen Browser";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
  };

  outputs = {
    self,
    nixpkgs,
  }: let
    system = "x86_64-linux";
    version = "1.7.4b";
    downloadUrl = {
      url = "https://github.com/zen-browser/desktop/releases/download/${version}/zen.linux-x86_64.tar.bz2";
      sha256 = "sha256:1d2mfm3g54n71rc9xg4pad3d60ws8kxhcfkvx6df5fc0ikd9n8c6";
    };

    pkgs = import nixpkgs {
      inherit system;
    };

    runtimeLibs = with pkgs;
      [
        libGL
        libGLU
        libevent
        libffi
        libjpeg
        libpng
        libstartup_notification
        libvpx
        libwebp
        stdenv.cc.cc
        fontconfig
        libxkbcommon
        zlib
        freetype
        gtk3
        libxml2
        dbus
        xcb-util-cursor
        alsa-lib
        libpulseaudio
        pango
        atk
        cairo
        gdk-pixbuf
        glib
        udev
        libva
        mesa
        libnotify
        cups
        pciutils
        ffmpeg
        libglvnd
        pipewire
      ]
      ++ (with pkgs.xorg; [
        libxcb
        libX11
        libXcursor
        libXrandr
        libXi
        libXext
        libXcomposite
        libXdamage
        libXfixes
        libXScrnSaver
      ]);

    mkZen = pkgs.stdenv.mkDerivation {
      inherit version;
      pname = "zen-browser";

      src = builtins.fetchTarball {
        url = downloadUrl.url;
        sha256 = downloadUrl.sha256;
      };

      desktopSrc = ./.;

      phases = ["installPhase" "fixupPhase"];

      nativeBuildInputs = [pkgs.makeWrapper pkgs.copyDesktopItems pkgs.wrapGAppsHook];

      installPhase = ''
        mkdir -p $out/bin && cp -r $src/* $out/bin
        install -D $desktopSrc/zen.desktop $out/share/applications/zen.desktop
        install -D $src/browser/chrome/icons/default/default128.png $out/share/icons/hicolor/128x128/apps/zen.png
      '';

      fixupPhase = ''
        chmod 755 $out/bin/*
        patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/zen
        wrapProgram $out/bin/zen --set LD_LIBRARY_PATH "${pkgs.lib.makeLibraryPath runtimeLibs}" \
                        --set MOZ_LEGACY_PROFILES 1 --set MOZ_ALLOW_DOWNGRADE 1 --set MOZ_APP_LAUNCHER zen --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH"
        patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/zen-bin
        wrapProgram $out/bin/zen-bin --set LD_LIBRARY_PATH "${pkgs.lib.makeLibraryPath runtimeLibs}" \
                        --set MOZ_LEGACY_PROFILES 1 --set MOZ_ALLOW_DOWNGRADE 1 --set MOZ_APP_LAUNCHER zen --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH"
        patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/glxtest
        wrapProgram $out/bin/glxtest --set LD_LIBRARY_PATH "${pkgs.lib.makeLibraryPath runtimeLibs}"
        patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/updater
        wrapProgram $out/bin/updater --set LD_LIBRARY_PATH "${pkgs.lib.makeLibraryPath runtimeLibs}"
        patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/bin/vaapitest
        wrapProgram $out/bin/vaapitest --set LD_LIBRARY_PATH "${pkgs.lib.makeLibraryPath runtimeLibs}"
      '';

      meta.mainProgram = "zen";
    };
  in {
    packages."${system}" = {
      default = mkZen;
    };
  };
}