feat: load additional autocommands.

modules/home-manager/neovim.nix

@@ -62,7 +62,10 @@
             enableTreesitter = true;
             enableFormat = true;
 
-            lua.enable = true;
+            lua = {
+              enable = true;
+              lsp.lazydev.enable = true;
+            };
             # python = {
             #   enable = true;
             #   format.type = "black-and-isort";
@@ -172,6 +175,8 @@
             }
           ];
 
+          extraLuaFiles = [./nvim/autocommands.lua];
+
           extraPlugins = with pkgs.vimPlugins; {
             harpoon = {
               package = harpoon2;

modules/home-manager/nvim/autocommands.lua

@@ -0,0 +1,16 @@
+local autocmd = vim.api.nvim_create_autocmd
+local function augroup(name)
+  return vim.api.nvim_create_augroup("crony_" .. name, { clear = true })
+end
+
+-- [[ Auto create parent directory if it doesn't exist ]]
+autocmd({ "BufWritePre" }, {
+  group = augroup("auto_create_dir"),
+  callback = function(event)
+    if event.match:match("^%w%w+://") then
+      return
+    end
+    local file = vim.loop.fs_realpath(event.match) or event.match
+    vim.fn.mkdir(vim.fn.fnamemodify(file, ":p:h"), "p")
+  end,
+})