bulk versions.json

packages/raspberrypi/uefi-rpi5/default.nix

@@ -2,8 +2,16 @@
   lib,
   stdenvNoCC,
   fetchurl,
+  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;
+
   defaultConfig = ''
     EOF
     armstub=RPI_EFI.fd
@@ -41,12 +49,9 @@ let
 in
 stdenvNoCC.mkDerivation rec {
   pname = "uefi-rpi5";
-  version = "test1";
+  version = vars.version;
 
-  src = fetchurl {
-    url = "https://github.com/NumberOneGit/rpi5-uefi/releases/download/${version}/RPI_EFI.fd";
-    hash = "sha256-GIgru10KCol9PXcdgR2d1BHf2In07OQ2P1kru7GUupY=";
-  };
+  src = sources.firmware;
 
   sourceRoot = ".";
 

packages/raspberrypi/uefi-rpi5/version.json

@@ -0,0 +1,13 @@
+{
+  "schemaVersion": 1,
+  "variables": {
+    "version": "test1"
+  },
+  "sources": {
+    "firmware": {
+      "fetcher": "url",
+      "urlTemplate": "https://github.com/NumberOneGit/rpi5-uefi/releases/download/${version}/RPI_EFI.fd",
+      "hash": "sha256-GIgru10KCol9PXcdgR2d1BHf2In07OQ2P1kru7GUupY="
+    }
+  }
+}