Hyprland/nix/default.nix

{
  lib,
  stdenv,
  stdenvAdapters,
  pkg-config,
  pkgconf,
  makeWrapper,
  cmake,
  aquamarine,
  binutils,
  cairo,
  epoll-shim,
  git,
  glaze-hyprland,
  gtest,
  hyprcursor,
  hyprgraphics,
  hyprland-protocols,
  hyprland-guiutils,
  hyprlang,
  hyprutils,
  hyprwayland-scanner,
  hyprwire,
  lcms2,
  libGL,
  libdrm,
  libexecinfo,
  libinput,
  libxcb,
  libxcb-errors,
  libxcb-render-util,
  libxcb-wm,
  libxdmcp,
  libxcursor,
  libxkbcommon,
  libuuid,
  libgbm,
  muparser,
  pango,
  pciutils,
  re2,
  systemd,
  tomlplusplus,
  udis86-hyprland,
  wayland,
  wayland-protocols,
  wayland-scanner,
  xwayland,
  debug ? false,
  withTests ? false,
  enableXWayland ? true,
  withSystemd ? lib.meta.availableOn stdenv.hostPlatform systemd,
  wrapRuntimeDeps ? true,
  version ? "git",
  commit,
  revCount,
  date,
  # deprecated flags
  enableNvidiaPatches ? false,
  nvidiaPatches ? false,
  hidpiXWayland ? false,
  legacyRenderer ? false,
  withHyprtester ? false,
}:
let
  inherit (builtins) foldl' readFile;
  inherit (lib.asserts) assertMsg;
  inherit (lib.attrsets) mapAttrsToList;
  inherit (lib.lists)
    flatten
    concatLists
    optional
    optionals
    ;
  inherit (lib.strings)
    makeBinPath
    optionalString
    cmakeBool
    trim
    ;
  fs = lib.fileset;

  adapters = flatten [
    stdenvAdapters.useMoldLinker
    (lib.optional debug stdenvAdapters.keepDebugInfo)
  ];

  customStdenv = foldl' (acc: adapter: adapter acc) stdenv adapters;
in
assert assertMsg (!nvidiaPatches) "The option `nvidiaPatches` has been removed.";
assert assertMsg (!enableNvidiaPatches) "The option `enableNvidiaPatches` has been removed.";
assert assertMsg (!hidpiXWayland)
  "The option `hidpiXWayland` has been removed. Please refer https://wiki.hypr.land/Configuring/XWayland";
assert assertMsg (
  !legacyRenderer
) "The option `legacyRenderer` has been removed. Legacy renderer is no longer supported.";
assert assertMsg (
  !withHyprtester
) "The option `withHyprtester` has been removed. Hyprtester is always built now.";
customStdenv.mkDerivation (finalAttrs: {
  pname = "hyprland${optionalString debug "-debug"}";
  inherit version withTests;

  src = fs.toSource {
    root = ../.;
    fileset =
      fs.intersection
        # allows non-flake builds to only include files tracked by git
        (fs.gitTracked ../.)
        (
          fs.unions (flatten [
            ../assets/hyprland-portals.conf
            ../assets/install
            ../hyprctl
            ../hyprland.pc.in
            ../hyprpm
            ../LICENSE
            ../protocols
            ../src
            ../start
            ../systemd
            ../VERSION
            (fs.fileFilter (file: file.hasExt "1") ../docs)
            (fs.fileFilter (file: file.hasExt "conf" || file.hasExt "in") ../example)
            (fs.fileFilter (file: file.hasExt "sh") ../scripts)
            (fs.fileFilter (file: file.name == "CMakeLists.txt") ../.)
            (optional withTests [
              ../tests
              ../hyprtester
            ])
          ])
        );
  };

  postPatch = ''
    # Fix hardcoded paths to /usr installation
    sed -i "s#/usr#$out#" src/render/OpenGL.cpp

    # Remove extra @PREFIX@ to fix some paths
    sed -i "s#@PREFIX@/##g" hyprland.pc.in
    sed -i "s#@PREFIX@/##g" example/hyprland.desktop.in
  '';

  env = {
    GIT_COMMITS = revCount;
    GIT_COMMIT_DATE = date;
    GIT_COMMIT_HASH = commit;
    GIT_DIRTY = if (commit == "") then "clean" else "dirty";
    GIT_TAG = "v${trim (readFile "${finalAttrs.src}/VERSION")}";
  };

  depsBuildBuild = [
    pkg-config
  ];

  nativeBuildInputs = [
    hyprwayland-scanner
    hyprwire
    makeWrapper
    cmake
    pkg-config
  ];

  outputs = [
    "out"
    "man"
    "dev"
  ];

  buildInputs = concatLists [
    [
      aquamarine
      cairo
      git
      glaze-hyprland
      gtest
      hyprcursor
      hyprgraphics
      hyprland-protocols
      hyprlang
      hyprutils
      hyprwire
      lcms2
      libdrm
      libgbm
      libGL
      libinput
      libuuid
      libxcursor
      libxkbcommon
      muparser
      pango
      pciutils
      re2
      tomlplusplus
      udis86-hyprland
      wayland
      wayland-protocols
      wayland-scanner
    ]
    (optionals customStdenv.hostPlatform.isBSD [ epoll-shim ])
    (optionals customStdenv.hostPlatform.isMusl [ libexecinfo ])
    (optionals enableXWayland [
      libxcb
      libxcb-errors
      libxcb-render-util
      libxcb-wm
      libxdmcp
      xwayland
    ])
    (optional withSystemd systemd)
  ];

  strictDeps = true;

  cmakeBuildType = if debug then "Debug" else "RelWithDebInfo";

  # we want as much debug info as possible
  dontStrip = debug;

  cmakeFlags = mapAttrsToList cmakeBool {
    "BUILT_WITH_NIX" = true;
    "NO_XWAYLAND" = !enableXWayland;
    "LEGACY_RENDERER" = legacyRenderer;
    "NO_SYSTEMD" = !withSystemd;
    "CMAKE_DISABLE_PRECOMPILE_HEADERS" = true;
    "NO_UWSM" = !withSystemd;
    "TRACY_ENABLE" = false;
    "WITH_TESTS" = withTests;
  };

  preConfigure = ''
    substituteInPlace hyprtester/CMakeLists.txt --replace-fail \
      "\''${CMAKE_CURRENT_BINARY_DIR}" \
      "${placeholder "out"}/bin"
  '';

  postInstall = ''
    ${optionalString wrapRuntimeDeps ''
      wrapProgram $out/bin/Hyprland \
        --suffix PATH : ${
          makeBinPath [
            binutils
            hyprland-guiutils
            pciutils
            pkgconf
          ]
        }
    ''}

    ${optionalString withTests ''
      install hyprtester/pointer-warp -t $out/bin
      install hyprtester/pointer-scroll -t $out/bin
      install hyprtester/shortcut-inhibitor -t $out/bin
      install hyprland_gtests -t $out/bin
      install hyprtester/child-window -t $out/bin
    ''}
  '';

  passthru.providedSessions = [ "hyprland" ] ++ optionals withSystemd [ "hyprland-uwsm" ];

  meta = {
    homepage = "https://github.com/hyprwm/Hyprland";
    description = "Dynamic tiling Wayland compositor that doesn't sacrifice on its looks";
    license = lib.licenses.bsd3;
    platforms = lib.platforms.linux;
    mainProgram = "Hyprland";
  };
})