From 7a3e9ef2a1754a597180b81742bbc196d5fa6527 Mon Sep 17 00:00:00 2001
From: Mihai Fufezan <fufexan@protonmail.com>
Date: Mon, 13 Feb 2023 18:53:46 +0200
Subject: [PATCH] howdy: init at 3.0.0

---
 pkgs/by-name/ho/howdy/package.nix | 166 ++++++++++++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100644 pkgs/by-name/ho/howdy/package.nix

diff --git a/pkgs/by-name/ho/howdy/package.nix b/pkgs/by-name/ho/howdy/package.nix
new file mode 100644
index 000000000000..76736305daf9
--- /dev/null
+++ b/pkgs/by-name/ho/howdy/package.nix
@@ -0,0 +1,166 @@
+{
+  stdenv,
+  lib,
+  copyDesktopItems,
+  fetchFromGitHub,
+  fetchpatch,
+  fetchurl,
+  bzip2,
+  gobject-introspection,
+  imagemagick,
+  meson,
+  ninja,
+  pkg-config,
+  wrapGAppsHook3,
+  makeDesktopItem,
+  makeWrapper,
+  fmt,
+  gettext,
+  gtk3,
+  inih,
+  libevdev,
+  pam,
+  python3,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "howdy";
+  version = "3.0.0";
+
+  src = fetchFromGitHub {
+    owner = "boltgolt";
+    repo = "howdy";
+    # The 3.0.0 release does not have a corresponding tag yet.
+    # The maintainer was asked to provide one here https://github.com/boltgolt/howdy/pull/1023#issuecomment-3722339500
+    rev = "d3ab99382f88f043d15f15c1450ab69433892a1c";
+    hash = "sha256-Xd/uScMnX1GMwLD5GYSbE2CwEtzrhwHocsv0ESKV8IM=";
+  };
+
+  patches = [
+    # Allows specifying whether to install config file. Paired with the
+    # `install_config` meson option. Needed to disallow installing the config
+    # file in `/etc/howdy`, as it is not allowed by the Nix sandbox. A NixOS
+    # module creates `/etc/howdy` and the config file of course.
+    # PR sent upstream https://github.com/boltgolt/howdy/pull/1050
+    (fetchpatch {
+      url = "https://github.com/boltgolt/howdy/commit/1f3b83e2db5a8dfd9c7c88706ecce033e154060a.patch";
+      hash = "sha256-OIN8A4q0zjtMOMzZgBqrKy2qOD8BDPB+euG6zerFbCE=";
+    })
+
+    # Fix python path for howdy-gtk. Uses python from meson option instead of
+    # the system installation (which is not defined in this package).
+    # PR sent upstream https://github.com/boltgolt/howdy/pull/1049
+    (fetchpatch {
+      url = "https://github.com/boltgolt/howdy/commit/b056724f84361dc6150554e7a806152af032c54b.patch";
+      hash = "sha256-ZOb+QmWagKWtyXI0Xg00tnw8UP8uDWw7wb4Fwjy3VeE=";
+    })
+  ];
+
+  mesonFlags = lib.concatLists [
+    (lib.mapAttrsToList lib.mesonOption {
+      config_dir = "/etc/howdy";
+      python_path = "${finalAttrs.finalPackage.pythonEnv}/bin/python";
+      user_models_dir = "/var/lib/howdy/models";
+    })
+    (lib.mapAttrsToList lib.mesonBool {
+      install_config = false;
+      with_polkit = true;
+    })
+  ];
+
+  nativeBuildInputs = [
+    bzip2
+    copyDesktopItems
+    gobject-introspection
+    imagemagick
+    meson
+    ninja
+    pkg-config
+    wrapGAppsHook3
+    makeWrapper
+  ];
+
+  buildInputs = [
+    fmt
+    gettext
+    gtk3
+    inih
+    libevdev
+    pam
+  ];
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = "howdy";
+      exec = "howdy-gtk";
+      icon = "howdy";
+      comment = "Howdy facial authentication";
+      desktopName = "Howdy";
+      genericName = "Facial authentication";
+      categories = [
+        "System"
+        "Security"
+      ];
+    })
+  ];
+
+  postInstall = ''
+    # install dlib data
+    rm -rf $out/share/dlib-data/*
+    ${lib.concatStrings (
+      lib.mapAttrsToList (n: v: ''
+        bzip2 -dc ${v} > $out/share/dlib-data/${n}.dat
+      '') finalAttrs.finalPackage.passthru.dlibModels
+    )}
+
+    for size in 16 24 32 48 64 128 256 512; do
+      mkdir -p $out/share/icons/hicolor/"$size"x"$size"/apps
+      magick -background none "$out/share/howdy-gtk/logo.png" -resize "$size"x"$size" $out/share/icons/hicolor/"$size"x"$size"/apps/howdy.png
+    done
+
+    chmod +x $out/lib/howdy-gtk/init.py
+  '';
+
+  pythonEnv = python3.buildEnv.override {
+    extraLibs = lib.attrVals finalAttrs.finalPackage.passthru.pythonDeps python3.pkgs;
+    makeWrapperArgs = [
+      "--set"
+      "OMP_NUM_THREADS"
+      "1"
+    ];
+  };
+
+  passthru = {
+    pythonDeps = [
+      "dlib"
+      "elevate"
+      "face-recognition"
+      "keyboard"
+      "opencv4Full"
+      "pycairo"
+      "pygobject3"
+    ];
+    dlibModels = lib.mapAttrs (
+      name: hash:
+      fetchurl {
+        name = "howdy-${name}.dat";
+        url = "https://github.com/davisking/dlib-models/raw/daf943f7819a3dda8aec4276754ef918dc26491f/${name}.dat.bz2";
+        inherit hash;
+      }
+    ) finalAttrs.finalPackage.passthru.dlibModelsHashes;
+    dlibModelsHashes = {
+      dlib_face_recognition_resnet_model_v1 = "sha256-q7H2EEHkNEZYVc6Bwr1UboMNKLy+2NJ/++W7QIsRVTo=";
+      mmod_human_face_detector = "sha256-256eQPCSwRjV6z5kOTWyFoOBcHk1WVFVQcVqK1DZ/IQ=";
+      shape_predictor_5_face_landmarks = "sha256-bnh7vr9cnv23k/bNHwIyMMRBMwZgXyTymfEoaflapHI=";
+    };
+  };
+
+  meta = {
+    description = "Windows Hello™ style facial authentication for Linux";
+    homepage = "https://github.com/boltgolt/howdy";
+    license = lib.licenses.mit;
+    mainProgram = "howdy";
+    platforms = lib.platforms.linux;
+    maintainers = with lib.maintainers; [ fufexan ];
+  };
+})