overlays: provide updated chrysalis package

hosts/boreal/default.nix

@@ -98,7 +98,7 @@
     "rfkill-release"
   ];
 
-  services.udev.packages = [pkgs.packages.kaleidoscope-udev-rules];
+  services.udev.packages = [pkgs.chrysalis];
 
   hardware.bluetooth = {
     enable = true;

hosts/zephyrus/default.nix

@@ -93,7 +93,7 @@
 
   environment.systemPackages = [pkgs.arandr pkgs.chrysalis];
 
-  services.udev.packages = [pkgs.packages.kaleidoscope-udev-rules];
+  services.udev.packages = [pkgs.chrysalis];
 
   hardware.bluetooth = {
     enable = true;

overlays/chrysalis/default.nix

@@ -0,0 +1,37 @@
+final: prev: {
+  chrysalis = let
+    pname = "chrysalis";
+    version = "0.11.3";
+    name = "${pname}-${version}-binary";
+  in
+    prev.appimageTools.wrapAppImage rec {
+      inherit name;
+
+      src = prev.appimageTools.extract {
+        inherit name;
+        src = prev.fetchurl {
+          url = "https://github.com/keyboardio/${pname}/releases/download/v${version}/${pname}-${version}.AppImage";
+          sha256 = "sha256-N0M1lZvPKAT+UXZgn68DaDupzXJupcOE06gFxKP6W0o=";
+        };
+      };
+
+      multiPkgs = null;
+      extraPkgs = p:
+        (prev.appimageTools.defaultFhsEnvArgs.multiPkgs p)
+        ++ [
+          p.glib
+        ];
+
+      # Also expose the udev rules here, so it can be used as:
+      #   services.udev.packages = [ pkgs.chrysalis ];
+      # to allow non-root modifications to the keyboards.
+
+      extraInstallCommands = ''
+        mv $out/bin/${name} $out/bin/${pname}
+        mkdir -p $out/lib/udev/rules.d
+        ln -s \
+          --target-directory=$out/lib/udev/rules.d \
+          ${src}/resources/static/udev/60-kaleidoscope.rules
+      '';
+    };
+}

overlays/default.nix

@@ -1,3 +1,4 @@
 {
   i3status-rust = import ./i3status-rust;
+  chrysalis = import ./chrysalis;
 }