fix(xonsh): account for new nixos option

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1739580444,
-        "narHash": "sha256-+/bSz4EAVbqz8/HsIGLroF8aNaO8bLRL7WfACN+24g4=",
+        "lastModified": 1739866667,
+        "narHash": "sha256-EO1ygNKZlsAC9avfcwHkKGMsmipUk1Uc0TbrEZpkn64=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "8bb37161a0488b89830168b81c48aed11569cb93",
+        "rev": "73cf49b8ad837ade2de76f87eb53fc85ed5d4680",
         "type": "github"
       },
       "original": {

flake.nix

@@ -14,19 +14,6 @@
         f {
           pkgs = nixpkgs.legacyPackages.${system};
         });
-    filterAttrs = f: attrs: let
-      names = builtins.attrNames attrs;
-      filtered = builtins.filter (n: f n attrs.${n}) names;
-    in
-      builtins.listToAttrs (
-        map (
-          name: {
-            inherit name;
-            value = attrs.${name};
-          }
-        )
-        filtered
-      );
   in {
     overlays.default = _: prev: (builtins.listToAttrs (
       builtins.map (
@@ -35,7 +22,7 @@
           value = prev.callPackage ./packages/${name} {inherit inputs;};
         }
       ) (builtins.attrNames (
-        filterAttrs (
+        nixpkgs.lib.filterAttrs (
           _: v: v == "directory"
         ) (builtins.readDir ./packages)
       ))

packages/amadaluzian-xonsh/default.nix

@@ -6,6 +6,7 @@
   inputs,
   system,
   zoxide,
+  ... # fuck you nixpkgs
 }: let
   xonsh =
     python3