Can't remove treesitter from nvim-cmp sources

[KN13KOMETA]

I tried to remove treesitter from nvim-cmp sources by making it null:

config.vim = {
  treesitter = {
    fold = true;
    context.enable = true;
  };
  autocomplete.nvim-cmp = {
    enable = true;
    sourcePlugins = [
      "cmp-nvim-lsp"
      "cmp-path"
    ];
    sources = {
      treesitter = null;
    };
  };
};

And I got that error:

error: The option `vim.autocomplete.nvim-cmp.sources.treesitter` is defined both null and not null, in `/nix/store/fnbinzfzkwiw9kihfaig18x2raf3zxdz-source/modules/plugins/treesitter/config.nix' and `<unknown-file>'.

I assume the problem is here, where treesitter automatically add itself to nvim-cmp sources:

nvf/modules/plugins/treesitter/config.nix

Lines 16 to 20 in d07d8f6

	# cmp-treesitter doesn't work on blink.cmp
	autocomplete.nvim-cmp = mkIf config.vim.autocomplete.nvim-cmp.enable {
	sources = {treesitter = "[Treesitter]";};
	sourcePlugins = ["cmp-treesitter"];
	};

[snoweuph]

try using treesitter = lib.mkForce null;

[KN13KOMETA]

Okay I tried adding treesitter = inputs.nixpkgs.lib.mkForce null; but it for some reason only removed [Treesitter].

# treesitter = inputs.nixpkgs.lib.mkForce null;

treesitter = inputs.nixpkgs.lib.mkForce null;

[snoweuph]

try forcing your sourcePlugins 🤔 I dont really use nvim-cmp, im a blink user.

[snoweuph]

sourcePlugins = lib.mkForce [
      "cmp-nvim-lsp"
      "cmp-path"
];

that should fix it, as nix by default merges lists, instead of overwriting them. lib.mkForce tells it to force overwrite everything in the list

[KN13KOMETA]

Sorry wasn't able to test that in a while. But yeah this works. I will also take a look at blink later. But can lib.mkForce potentially bring some unwanted behavior?

(and should this issue be closed then if everything works? xd)

[snoweuph]

waited for a response of yours, before closing this. as it now works for you, I will close this.

As for your other question:
https://nixos-and-flakes.thiscute.world/nixos-with-flakes/modularize-the-configuration#lib-mkoverride-lib-mkdefault-and-lib-mkforce

by default nix will merge all places and default values of options that are lists, thats just how nix works. with mkForce you can basically tell it to through away any other sources and defaults and just use what you specified.