flake: Use nixpkgs 24.11

nixpkgs 24.11 changes how we access xonsh yet again
and updates clang.

Unfortunately, clang 18 produces significantly more
warnings on existing code that is challenging to fix.
Make sure that doesn't error when we're running
`-Werror` builds.

Change-Id: If0141a46a8b445a0e7d6f86f939e8c8e03569bf5

flake.lock

@@ -34,16 +34,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1727184566,
-        "narHash": "sha256-mgdK8BcFsLSNhe780+cHbEUbZ3OruLa1T/xgQlL4Aj4=",
+        "lastModified": 1732237847,
+        "narHash": "sha256-WwtrPxym9sQtwZkemxUfT00iCWfXxzuVAC7uFP1m1Y0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "48c3030083c46042584531bc9d931020f1975677",
+        "rev": "9bbcb9a5a7e54369faaced5fb0ddad1fda21b751",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-24.05-small",
+        "ref": "nixos-24.11-small",
         "repo": "nixpkgs",
         "type": "github"
       }

flake.nix

@@ -2,7 +2,7 @@
   description = "Lix: A modern, delicious implementation of the Nix package manager";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05-small";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11-small";
     nixpkgs-regression.url = "github:NixOS/nixpkgs/215d4d0fd80ca5163643b03a33fde804a29cc1e2";
     pre-commit-hooks = {
       url = "github:cachix/git-hooks.nix";

meson.build

@@ -486,6 +486,7 @@ add_project_arguments(
   '-include', 'config.h',
   '-Wno-unused-parameter',
   '-Wno-deprecated-declarations',
+  '-Wno-missing-field-initializers',
   '-Wimplicit-fallthrough',
   '-Werror=switch',
   '-Werror=switch-enum',

package.nix

@@ -470,7 +470,6 @@ stdenv.mkDerivation (finalAttrs: {
         just,
         nixfmt-rfc-style,
         skopeo,
-        xonsh,
 
         # Lix specific packages
         pre-commit-checks,
@@ -506,7 +505,7 @@ stdenv.mkDerivation (finalAttrs: {
             p.requests
             p.xdg-base-dirs
             p.packaging
-            (p.toPythonModule pkgsBuildHost.xonsh.passthru.unwrapped)
+            p.xonsh
           ]
         );
         pythonEnv = python3.pythonOnBuildForHost.withPackages pythonPackages;