Update nvim config, flakes

modules/home/nvim.nix

@@ -96,6 +96,10 @@ in
     # Allow for editing the lua modules without a nix rebuild
     xdg.configFile."nvim/lua".source = config.lib.file.mkOutOfStoreSymlink "${config.dot.dotfilesPath}/modules/nvim/lua";
 
+    home.sessionVariables = {
+      VISUAL = "nvim";
+    };
+
     home.packages = with pkgs; [
       nodejs-slim
     ];

modules/nvim/lua/base.lua

@@ -26,8 +26,6 @@ vim.opt.smartcase = true
 vim.opt.hidden = true
 vim.opt.splitright = true
 vim.opt.splitbelow = true
-vim.opt.swapfile = true
-vim.opt.directory= '~/.cache/nvim/swap//,$TEMP//,/tmp//'
 vim.opt.wildmode = 'longest,list'
 vim.opt.wildignore = vim.opt.wildignore + 'main,*.o,*.d,*.aux,*.bbl,*.lof,*.loa,*.blg,*.fdb_latexmk,*.fls,*.tdo,*.pdf,*.pyc'
 vim.opt.spell = false
@@ -52,6 +50,17 @@ vim.opt.completeopt = 'menu,menuone,noselect'
 vim.opt.termguicolors = true
 vim.opt.conceallevel = 1
 
+----------------------------
+----------- SWAP -----------
+----------------------------
+local swapdir = vim.fn.expand("~/.cache/nvim/swap//")
+if vim.fn.isdirectory(swapdir) == 0 then
+    vim.fn.mkdir(swapdir, "p")
+end
+local temp = (os.getenv("TEMP") or "/tmp") .. "//"
+
+vim.opt.swapfile = true
+vim.opt.directory = swapdir .. "," .. temp
 
 ----------------------------
 -------- CLIPBOARD ---------
@@ -67,9 +76,6 @@ end
 
 vim.cmd('filetype plugin indent on')
 
--- vim.cmd('colorscheme lucius')
--- vim.cmd('LuciusWhite')
-
 
 ----------------------------
 -------- AUTOGROUPS --------