fix avahi

packages/homeassistant/ha-gehome/default.nix

@@ -1,22 +1,27 @@
 {
-  buildHomeAssistantComponent,
-  fetchFromGitHub,
-  home-assistant,
-  pkgs,
+  lib,
   namespace,
+  pkgs,
+  buildHomeAssistantComponent,
+  home-assistant,
   ...
 }:
-buildHomeAssistantComponent rec {
-  owner = "simbaja";
-  domain = "ge_home";
-  version = "v2026.2.0";
+let
+  inherit (lib.trivial) importJSON;
+  inherit (lib.${namespace}) selectVariant mkAllSources;
 
-  src = fetchFromGitHub {
-    owner = owner;
-    repo = "ha_gehome";
-    tag = version;
-    hash = "sha256-7c2GfTagNsIsSiT/sCqSV+BZZJMcvlsecDD+ZDZx9BA=";
-  };
+  versionSpec = importJSON ./version.json;
+  selected = selectVariant versionSpec null null;
+  sources = mkAllSources pkgs selected;
+  src-meta = selected.sources.ge_home;
+  version = if src-meta ? tag then src-meta.tag else src-meta.rev;
+in
+buildHomeAssistantComponent {
+  owner = src-meta.owner;
+  domain = "ge_home";
+  inherit version;
+
+  src = sources.ge_home;
 
   # gehomesdk and magicattr must be built against HA's Python
   dependencies = with pkgs.${namespace}; [

packages/homeassistant/ha-gehome/version.json

@@ -0,0 +1,15 @@
+{
+  "schemaVersion": 1,
+  "variables": {
+    "version": "v2026.2.0"
+  },
+  "sources": {
+    "ge_home": {
+      "fetcher": "github",
+      "owner": "simbaja",
+      "repo": "ha_gehome",
+      "tag": "v2026.2.0",
+      "hash": "sha256-7c2GfTagNsIsSiT/sCqSV+BZZJMcvlsecDD+ZDZx9BA="
+    }
+  }
+}