bulk versions.json

packages/raspberrypi/uefi-rpi4/default.nix

@@ -2,17 +2,21 @@
   lib,
   stdenvNoCC,
   fetchzip,
+  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 {
   pname = "uefi-rpi4";
-  version = "1.50";
+  version = vars.version;
 
-  src = fetchzip {
-    url = "https://github.com/pftf/RPi4/releases/download/v${version}/RPi4_UEFI_Firmware_v${version}.zip";
-    stripRoot = false;
-    hash = "sha256-g8046/Ox0hZgvU6u3ZfC6HMqoTME0Y7NsZD6NvUsp7w=";
-  };
+  src = sources.firmware;
 
   sourceRoot = ".";
 

packages/raspberrypi/uefi-rpi4/version.json

@@ -0,0 +1,14 @@
+{
+  "schemaVersion": 1,
+  "variables": {
+    "version": "1.50"
+  },
+  "sources": {
+    "firmware": {
+      "fetcher": "url",
+      "urlTemplate": "https://github.com/pftf/RPi4/releases/download/v${version}/RPi4_UEFI_Firmware_v${version}.zip",
+      "hash": "sha256-g8046/Ox0hZgvU6u3ZfC6HMqoTME0Y7NsZD6NvUsp7w=",
+      "extra": { "unpack": "zip", "stripRoot": false }
+    }
+  }
+}