asahi-fwextract: init at 0.7.9 (#420893)

pkgs/by-name/as/asahi-fwextract/package.nix

@@ -0,0 +1,45 @@
+{
+  lib,
+  python3,
+  fetchFromGitHub,
+  gzip,
+  gnutar,
+  lzfse,
+  nix-update-script,
+}:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "asahi-fwextract";
+  version = "0.7.9";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "AsahiLinux";
+    repo = "asahi-installer";
+    tag = "v${version}";
+    hash = "sha256-vbhepoZ52k5tW2Gd7tfQTZ5CLqzhV7dUcVh6+AYwECk=";
+  };
+
+  postPatch = ''
+    substituteInPlace asahi_firmware/img4.py \
+      --replace-fail 'liblzfse.so' '${lzfse}/lib/liblzfse.so'
+    substituteInPlace asahi_firmware/update.py \
+      --replace-fail '"tar"' '"${gnutar}/bin/tar"' \
+      --replace-fail '"xf"' '"-x", "-I", "${gzip}/bin/gzip", "-f"'
+  '';
+
+  build-system = [ python3.pkgs.setuptools ];
+
+  passthru = {
+    updateScript = nix-update-script { };
+  };
+
+  meta = {
+    description = "Asahi firmware extraction script";
+    homepage = "https://github.com/AsahiLinux/asahi-installer";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ normalcea ];
+    mainProgram = "asahi-fwextract";
+    platforms = [ "aarch64-linux" ];
+  };
+}