bulk versions.json

packages/raspberrypi/linux-rpi/default.nix

@@ -4,15 +4,22 @@
   lib,
   fetchFromGitHub,
   buildLinux,
+  pkgs,
   rpiVersion ? 5,
   ...
 }@args:
 
 let
   # stdenv = ccacheStdenv;
-  modDirVersion = "6.12.47";
-  tag = "stable_20250916";
-  hash = "sha256-HG8Oc04V2t54l0SOn4gKmNJWQUrZfjWusgKcWvx74H0==";
+  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;
+
+  modDirVersion = vars.modDirVersion;
+  tag = vars.tag;
   # NOTE: raspberrypifw & raspberryPiWirelessFirmware should be updated with this
 
   # all of these fail for various reasons
@@ -43,11 +50,7 @@ lib.overrideDerivation
       inherit modDirVersion;
       pname = "linux-rpi${toString rpiVersion}";
 
-      src = fetchFromGitHub {
-        owner = "raspberrypi";
-        repo = "linux";
-        inherit tag hash;
-      };
+      src = sources.kernel;
 
       defconfig =
         {

packages/raspberrypi/linux-rpi/version.json

@@ -0,0 +1,19 @@
+{
+  "schemaVersion": 1,
+  "variables": {
+    "modDirVersion": "6.12.47",
+    "tag": "stable_20250916"
+  },
+  "sources": {
+    "kernel": {
+      "fetcher": "github",
+      "owner": "raspberrypi",
+      "repo": "linux",
+      "tag": "${tag}",
+      "hash": "sha256-HG8Oc04V2t54l0SOn4gKmNJWQUrZfjWusgKcWvx74H0=="
+    }
+  },
+  "notes": {
+    "hint": "raspberrypifw & raspberryPiWirelessFirmware should be updated alongside this."
+  }
+}