bulk versions.json

packages/raspberrypi/raspberrypi-overlays/default.nix

@@ -2,19 +2,23 @@
   lib,
   stdenvNoCC,
   fetchFromGitHub,
+  pkgs,
 }:
+let
+  inherit (lib.trivial) importJSON;
+  versionSpec = importJSON ./version.json;
+  versioning = import ../../../lib/versioning.nix { inherit lib pkgs; };
+  selected = versioning.selectVariant versionSpec null null;
+  vars = selected.variables or {};
+  sources = versioning.mkAllSources selected;
+in
 
 stdenvNoCC.mkDerivation rec {
   # NOTE: this should be updated with linux_rpi
   pname = "raspberrypi-dtoverlays";
-  version = "stable_20250916";
+  version = vars.version;
 
-  src = fetchFromGitHub {
-    owner = "raspberrypi";
-    repo = "linux";
-    tag = version;
-    hash = "sha256-HG8Oc04V2t54l0SOn4gKmNJWQUrZfjWusgKcWvx74H0==";
-  };
+  src = sources.linux;
 
   installPhase = ''
     mkdir -p $out/dtbs/raspberrypi-overlays/

packages/raspberrypi/raspberrypi-overlays/version.json

@@ -0,0 +1,15 @@
+{
+  "schemaVersion": 1,
+  "variables": {
+    "version": "stable_20250916"
+  },
+  "sources": {
+    "linux": {
+      "fetcher": "github",
+      "owner": "raspberrypi",
+      "repo": "linux",
+      "tag": "${version}",
+      "hash": "sha256-HG8Oc04V2t54l0SOn4gKmNJWQUrZfjWusgKcWvx74H0=="
+    }
+  }
+}