Avoid unfree in local dev environment

home/default.nix

@@ -7,7 +7,7 @@ rec {
   greghellings =
     let
       system = "x86_64-linux";
-      pkgs = (import inputs.nixunstable { inherit system overlays; });
+      pkgs = (import inputs.nixunstable { inherit system overlays; config.allowUnfree = true; });
     in
     inputs.hmunstable.lib.homeManagerConfiguration {
       inherit pkgs;

home/modules/baseline/vim.nix

@@ -1,9 +1,9 @@
-{ pkgs, lib, ... }:
+{ config, pkgs, lib, ... }:
 
 {
   # The Hack font is used in the Fugitive sidebars
   fonts.fontconfig.enable = true;
   home.packages = [ (pkgs.nerdfonts.override { fonts = [ "Hack" ]; }) ];
 
-  programs.nixvim = (import ./vim/config.nix { inherit pkgs lib; }) // { enable = true; };
+  programs.nixvim = (import ./vim/config.nix { inherit config pkgs lib; }) // { enable = true; };
 }

home/modules/baseline/vim/config.nix

@@ -1,4 +1,4 @@
-{ pkgs, lib, ... }:
+{ config, pkgs, lib, ... }:
 let
   vim-xonsh = pkgs.vimUtils.buildVimPlugin {
     name = "vim-xonsh";
@@ -90,7 +90,7 @@ in
       };
     };
     copilot-vim = {
-      enable = true;
+      enable = config.nixpkgs.config.allowUnfree;
       settings.workspace_folders = [ "~/src/ivr" ];
     };
     direnv.enable = true;

shells.nix

@@ -1,4 +1,14 @@
 { self', pkgs, nixvimunstable, ... }:
+let
+  system = pkgs.system;
+  vim = (nixvimunstable.legacyPackages.${system}.makeNixvim
+    (import ./home/modules/baseline/vim/config.nix {
+      inherit pkgs;
+      inherit (pkgs) lib;
+      config.nixpkgs.config.allowUnfree = false; # I have tried to allow it, but I don't seem able to do so
+    })
+  );
+in
 {
   default = pkgs.mkShell {
     inherit (self'.checks.pre-commit-check) shellHook;
@@ -10,7 +20,7 @@
       gzip
       inject
       inject-darwin
-      (nixvimunstable.legacyPackages.${system}.makeNixvim (import ./home/modules/baseline/vim/config.nix { inherit pkgs; inherit (pkgs) lib; }))
+      vim
       self'.checks.pre-commit-check.enabledPackages
       tmux
       xonsh