nvim: Change init autocmds to lua versions

With neovim 0.7 bringing autocmd bindings in lua, we can now rely on a
built-in api instead of having to use our own helper function. Last
missing migration is the lsp formatting autogroup.

nvim/.config/nvim/init.lua

@@ -1,6 +1,5 @@
--- much of this config comes from
+-- many ideas for this config come from
 -- https://github.com/elianiva/dotfiles/ - with much gratitude
-local augroup = require("helpers.augroup")
 local api = vim.api
 
 require('settings')
@@ -9,34 +8,28 @@ require('look')
 require('maps')
 
 -- Highlight whatever is being yanked
-augroup({
-    {
-        'TextYankPost', '*',
-        'silent! lua require"vim.highlight".on_yank{timeout=500}'
-    }
-}, 'highlightyanks')
-
--- Compile on plugin edits
-augroup({{'BufWritePost', 'plugins.lua', 'PackerCompile'}}, 'compilepackages')
+vim.api.nvim_create_autocmd({ "TextYankPost" }, {
+    command = 'silent! lua require"vim.highlight".on_yank{timeout=500}',
+    desc = "Highlight yanked text whenevery yanking something",
+    group = vim.api.nvim_create_augroup('highlightyanks', { clear = true }),
+})
 
 -- Special setting for editing gopass files - make sure nothing leaks outside the directories it is supposed to
-augroup({
-    {
-        'BufNewFile,BufRead', '/dev/shm/gopass.*',
-        'setlocal noswapfile nobackup noundofile nowritebackup viminfo='
-    }, {
-        'BufNewFile,BufRead', '/dev/shm/pass.?*/?*.txt',
-        'setlocal noswapfile nobackup noundofile nowritebackup viminfo='
-    }, {
-        'BufNewFile,BufRead', '$TMPDIR/pass.?*/?*.txt',
-        'setlocal noswapfile nobackup noundofile nowritebackup viminfo='
-    }, {
-        'BufNewFile,BufRead', '/tmp/pass.?*/?*.txt',
-        'setlocal noswapfile nobackup noundofile nowritebackup viminfo='
-    }
-}, 'passnoleak')
-
--- fixing neovim opening up at same moment as alacritty (see https://github.com/neovim/neovim/issues/11330)
-augroup({{'VimEnter', '*', 'silent exec "!kill -s SIGWINCH $PPID"'}}, 'fixsize')
+vim.api.nvim_create_autocmd({ "BufNewFile", "BufRead" }, {
+    pattern = { "/dev/shm/gopass.*", "/dev/shm/pass.?*/?*.txt", "$TMPDIR/pass.?*/?*.txt", "/tmp/pass.?*/?*.txt" },
+    command = 'setlocal noswapfile nobackup noundofile nowritebackup viminfo=',
+    desc = "Don't leak any information when editing potential password files",
+    group = vim.api.nvim_create_augroup('passnoleak', { clear = true }),
+})
 
 api.nvim_exec('runtime abbrev.vim', false)
+
+-- fixing neovim opening up at same moment as alacritty (see https://github.com/neovim/neovim/issues/11330)
+vim.api.nvim_create_autocmd({ "VimEnter" }, {
+    callback = function()
+        local pid, WINCH = vim.fn.getpid(), vim.loop.constants.SIGWINCH
+        vim.defer_fn(function() vim.loop.kill(pid, WINCH) end, 20)
+    end,
+    desc = "Fix neovim sizing issues if opening same time as alacritty",
+    group = vim.api.nvim_create_augroup('alacritty_fixsize', { clear = true }),
+})