bulk versions.json

packages/uboot/default.nix

@@ -19,11 +19,14 @@
 }@pkgs:
 
 let
-  defaultVersion = "2025.07";
-  defaultSrc = fetchurl {
-    url = "https://ftp.denx.de/pub/u-boot/u-boot-${defaultVersion}.tar.bz2";
-    hash = "sha256-D5M/bFpCaJW/MG6T5qxTxghw5LVM2lbZUhG+yZ5jvsc=";
-  };
+  inherit (lib.trivial) importJSON;
+  versionSpec = importJSON ./version.json;
+  versioning = import ../../lib/versioning.nix { inherit lib pkgs; };
+  selected = versioning.selectVariant versionSpec null null;
+  sources = versioning.mkAllSources selected;
+
+  defaultVersion = selected.variables.version;
+  defaultSrc = sources.uboot;
 
   # Dependencies for the tools need to be included as either native or cross,
   # depending on which we're building

packages/uboot/version.json

@@ -0,0 +1,13 @@
+{
+  "schemaVersion": 1,
+  "variables": {
+    "version": "2025.07"
+  },
+  "sources": {
+    "uboot": {
+      "fetcher": "url",
+      "urlTemplate": "https://ftp.denx.de/pub/u-boot/u-boot-${version}.tar.bz2",
+      "hash": "sha256-D5M/bFpCaJW/MG6T5qxTxghw5LVM2lbZUhG+yZ5jvsc="
+    }
+  }
+}

packages/uboot/versions.json

@@ -1,5 +0,0 @@
-{
-    "repo": "https://ftp.denx.de/pub/u-boot/u-boot-${defaultVersion}.tar.bz2",
-    "tag": "2025.07",
-    "hash": "sha256-D5M/bFpCaJW/MG6T5qxTxghw5LVM2lbZUhG+yZ5jvsc="
-}