zbar: copy locally and fix for macos aarch64

home/default.nix

@@ -1,6 +1,6 @@
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
 
-let mypkgs = (import ../modules/pkgs.nix { inherit pkgs; });
+let mypkgs = pkgs.callPackage ../modules/pkgs.nix { };
 in {
   home.packages = mypkgs.all;
   home.sessionVariables = {

pkgs/default.nix

@@ -1,4 +1,6 @@
 # TODO: auto import everything
-{ pkgs }: {
+{ pkgs, ... }:
+{
   qrclip = pkgs.callPackage ./qrclip { };
+  zbar = pkgs.callPackage ./zbar { };
 }

pkgs/qrclip/default.nix

@@ -1,5 +1,6 @@
 { pkgs }:
-pkgs.writeShellScriptBin "qrclip" ''
+let zbar = pkgs.mypkgs.zbar.override { enableVideo = false; };
+in pkgs.writeShellScriptBin "qrclip" ''
   set -eo pipefail
-  ${pkgs.pngpaste}/bin/pngpaste - | ${pkgs.zbar}/bin/zbarimg --raw -q1 -
+  ${pkgs.pngpaste}/bin/pngpaste - | ${zbar}/bin/zbarimg --raw -q1 -
 ''

pkgs/zbar/default.nix

@@ -0,0 +1,86 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, imagemagickBig
+, pkg-config
+, libX11
+, libv4l
+, libiconv
+, qtbase ? null
+, darwin
+, qtx11extras ? null
+, wrapQtAppsHook ? null
+, wrapGAppsHook
+, gtk3
+, xmlto
+, docbook_xsl
+, autoreconfHook
+, dbus
+, enableVideo ? stdenv.isLinux
+  # The implementation is buggy and produces an error like
+  # Name Error (Connection ":1.4380" is not allowed to own the service "org.linuxtv.Zbar" due to security policies in the configuration file)
+  # for every scanned code.
+  # see https://github.com/mchehab/zbar/issues/104
+, enableDbus ? false
+, libintl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "zbar";
+  version = "0.23.90";
+
+  outputs = [ "out" "lib" "dev" "doc" "man" ];
+
+  src = fetchFromGitHub {
+    owner = "mchehab";
+    repo = "zbar";
+    rev = version;
+    sha256 = "sha256-FvV7TMc4JbOiRjWLka0IhtpGGqGm5fis7h870OmJw2U=";
+  };
+
+  nativeBuildInputs =
+    [ pkg-config xmlto autoreconfHook docbook_xsl ] ++ lib.optionals enableVideo [ wrapQtAppsHook wrapGAppsHook ];
+
+  buildInputs = [ imagemagickBig libX11 libintl ] ++ lib.optionals enableDbus [ dbus ]
+    ++ lib.optionals enableVideo [ libv4l gtk3 qtbase qtx11extras ]
+    ++ lib.optionals stdenv.isDarwin [ libiconv darwin.apple_sdk.frameworks.Foundation ];
+
+  # Disable assertions which include -dev QtBase file paths.
+  NIX_CFLAGS_COMPILE = "-DQT_NO_DEBUG";
+
+  configureFlags = [ "--without-python" ] ++ (if enableDbus then
+    [ "--with-dbusconfdir=${placeholder "out"}/share" ]
+  else
+    [ "--without-dbus" ]) ++ (if enableVideo then
+    [ "--with-gtk=gtk3" ]
+  else [
+    "--disable-video"
+    "--without-gtk"
+    "--without-qt"
+  ]);
+
+  dontWrapQtApps = true;
+  dontWrapGApps = true;
+
+  postFixup = lib.optionalString enableVideo ''
+    wrapGApp "$out/bin/zbarcam-gtk"
+    wrapQtApp "$out/bin/zbarcam-qt"
+  '';
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Bar code reader";
+    longDescription = ''
+      ZBar is an open source software suite for reading bar codes from various
+      sources, such as video streams, image files and raw intensity sensors. It
+      supports many popular symbologies (types of bar codes) including
+      EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5 and QR
+      Code.
+    '';
+    maintainers = with maintainers; [ delroth raskin ];
+    platforms = platforms.unix;
+    license = licenses.lgpl21;
+    homepage = "https://github.com/mchehab/zbar";
+  };
+}