updates

lua/core/autocmd.lua

@@ -1,5 +1,5 @@
 local function augroup(name)
-    return vim.api.nvim_create_augroup('nvim2k_' .. name, { clear = true })
+    return vim.api.nvim_create_augroup('nvim' .. name, { clear = true })
 end
 
 -- Strip trailing spaces before write
@@ -119,8 +119,31 @@ enable_autoformat()
 
 vim.api.nvim_create_user_command('WriteNoFormat', function()
     -- Temporarily disable the autoformat autocmd
-    vim.api.nvim_del_augroup_by_name('nvim2k_autoformat')
+    vim.api.nvim_del_augroup_by_name('nvim_autoformat')
     vim.cmd('write')
     -- Re-enable the autoformat autocmd
     enable_autoformat()
 end, {})
+
+-- Toggle between relative/absolute line numbers
+local numbertoggle = augroup('numbertoggle')
+vim.api.nvim_create_autocmd({ 'BufEnter', 'FocusGained', 'InsertLeave', 'CmdlineLeave', 'WinEnter' }, {
+    pattern = '*',
+    group = numbertoggle,
+    callback = function()
+        if vim.o.nu and vim.api.nvim_get_mode().mode ~= 'i' then
+            vim.opt.relativenumber = true
+        end
+    end,
+})
+
+vim.api.nvim_create_autocmd({ 'BufLeave', 'FocusLost', 'InsertEnter', 'CmdlineEnter', 'WinLeave' }, {
+    pattern = '*',
+    group = numbertoggle,
+    callback = function()
+        if vim.o.nu then
+            vim.opt.relativenumber = false
+            vim.cmd.redraw()
+        end
+    end,
+})