Make .viminfo respect XDG Base Directory (#877)

* Make .viminfo respect XDG Base Directory

Fixes GH-871

* Ensure to put vim directory in statehome

* Fix with avoiding missing xdg.stateHome

home-manager/vim.nix

@@ -1,6 +1,14 @@
-{ pkgs, homemade-pkgs, ... }:
+{
+ pkgs,
+ config,
+ homemade-pkgs,
+ ...
+}:
 
 {
+ # TODO: Prefer xdg.stateFile since home-manager release-24.11. See https://github.com/nix-community/home-manager/pull/5779
+ home.file."${config.xdg.stateHome}/vim/.keep".text = "Keep this directory because of home-manager and vim does not create the file if directory is missing";
+
  # https://github.com/nix-community/home-manager/blob/release-24.05/modules/programs/vim.nix
  # https://nixos.wiki/wiki/Vim
  programs.vim = {
@@ -20,6 +28,7 @@
  extraConfig = ''
  colorscheme iceberg
  set termguicolors
+ set viminfofile=${config.xdg.stateHome}/vim/viminfo
  '';
  };
 }