fix avahi

packages/homeassistant/ha-bambulab/default.nix

@@ -1,20 +1,27 @@
 {
+  lib,
+  namespace,
+  pkgs,
   buildHomeAssistantComponent,
-  fetchFromGitHub,
   home-assistant,
   ...
 }:
-buildHomeAssistantComponent rec {
-  owner = "greghesp";
-  domain = "bambu_lab";
-  version = "v2.2.21";
+let
+  inherit (lib.trivial) importJSON;
+  inherit (lib.${namespace}) selectVariant mkAllSources;
 
-  src = fetchFromGitHub {
-    owner = owner;
-    repo = "ha-bambulab";
-    tag = version;
-    hash = "sha256-56aAJAsmn+PzLZijFQ9DbTfHSrbeNk+OM/ibu32UHtg=";
-  };
+  versionSpec = importJSON ./version.json;
+  selected = selectVariant versionSpec null null;
+  sources = mkAllSources pkgs selected;
+  src-meta = selected.sources.bambu_lab;
+  version = if src-meta ? tag then src-meta.tag else src-meta.rev;
+in
+buildHomeAssistantComponent {
+  owner = src-meta.owner;
+  domain = "bambu_lab";
+  inherit version;
+
+  src = sources.bambu_lab;
 
   nativeBuildInputs = with home-assistant.python.pkgs; [
     beautifulsoup4

packages/homeassistant/ha-bambulab/version.json

@@ -0,0 +1,15 @@
+{
+  "schemaVersion": 1,
+  "variables": {
+    "version": "v2.2.21"
+  },
+  "sources": {
+    "bambu_lab": {
+      "fetcher": "github",
+      "owner": "greghesp",
+      "repo": "ha-bambulab",
+      "tag": "v2.2.21",
+      "hash": "sha256-56aAJAsmn+PzLZijFQ9DbTfHSrbeNk+OM/ibu32UHtg="
+    }
+  }
+}