nixos/appimage: init

nixos/doc/manual/release-notes/rl-2405.section.md

@@ -103,6 +103,8 @@ The pre-existing [services.ankisyncd](#opt-services.ankisyncd.enable) has been m
 
 - [TuxClocker](https://github.com/Lurkki14/tuxclocker), a hardware control and monitoring program. Available as [programs.tuxclocker](#opt-programs.tuxclocker.enable).
 
+- binfmt option for AppImage-run to support running [AppImage](https://appimage.org/)'s seamlessly on NixOS.. Available as [programs.appimage.binfmt](#opt-programs.appimage.binfmt).
+
 - [ALVR](https://github.com/alvr-org/alvr), a VR desktop streamer. Available as [programs.alvr](#opt-programs.alvr.enable)
 
 - [RustDesk](https://rustdesk.com), a full-featured open source remote control alternative for self-hosting and security with minimal configuration. Alternative to TeamViewer.

nixos/modules/module-list.nix

@@ -142,6 +142,7 @@
   ./programs/adb.nix
   ./programs/alvr.nix
   ./programs/appgate-sdp.nix
+  ./programs/appimage.nix
   ./programs/atop.nix
   ./programs/ausweisapp.nix
   ./programs/autojump.nix

nixos/modules/programs/appimage.nix

@@ -0,0 +1,33 @@
+{ lib, config, pkgs, ... }:
+
+let
+  cfg = config.programs.appimage;
+in
+
+{
+  options.programs.appimage = {
+    enable = lib.mkEnableOption "appimage-run wrapper script for executing appimages on NixOS";
+    binfmt = lib.mkEnableOption "binfmt registration to run appimages via appimage-run seamlessly";
+    package = lib.mkPackageOption pkgs "appimage-run" {
+      example = ''
+        pkgs.appimage-run.override {
+          extraPkgs = pkgs: [ pkgs.ffmpeg pkgs.imagemagick ];
+        }
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    boot.binfmt.registrations.appimage = lib.mkIf cfg.binfmt {
+      wrapInterpreterInShell = false;
+      interpreter = lib.getExe cfg.package;
+      recognitionType = "magic";
+      offset = 0;
+      mask = ''\xff\xff\xff\xff\x00\x00\x00\x00\xff\xff\xff'';
+      magicOrExtension = ''\x7fELF....AI\x02'';
+    };
+    environment.systemPackages = [ cfg.package ];
+  };
+
+  meta.maintainers = with lib.maintainers; [ jopejoe1 atemu ];
+}