Home-manager vim properties override

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Hi guys,

I’m trying to configure vim with home-manager but some properties of overridden. I’m using home-manger for my user environment and my home is /Users/vrusnac.

My setup is located in the following file /Users/vrusnac/.config/home-manager/home.nix. Here are the contents of the file:

{ config, pkgs, ... }:

{
    # Let home manager install and manage itself
    programs.home-manager.enable = true;
    home.stateVersion = "23.11";
	home.username = "vrusnac";
	home.homeDirectory = "/Users/vrusnac";

	# Install packages
	home.packages = [
        # Fonts
        pkgs.fira-mono

        # Utils
        pkgs.nix
		pkgs.heroku
	];

    # Configure vim
    programs.vim = {
        enable = true;
        settings = {
            tabstop = 4;
            shiftwidth = 4;
        };
  };

    # Configure zsh
    programs.zsh = {
        enable = true;
    };

}

The home-manager switch runs successfully.
Here I’m specifying shiftwidth to be 4, but when I inspect the vim config I see this

 :verbose set shiftwidth ?
  shiftwidth=2
        Last set from /nix/store/0cc0r8vj2bw5s1xrjx2pdvksj66wfpka-vim-full-9.0.2116/share/vim/vim90/ftplugin/nix.vim line 17

As I understand the problem the tfplugin/nix.vim overrides the default shiftwidth config.

Versions:
home-manager 23.11-pre
nix-env (Nix) 2.18.1

Thank you in advance!