jump to last know cursor position

lua/my_autocommands.lua

@@ -61,6 +61,24 @@ api.nvim_create_autocmd({ 'FocusLost' }, { command = [[wshada]] })
 --   { command = [[if line("'\"") > 1 && line("'\"") <= line("$") | execute "normal! g`\"" | endif]] }
 -- )
 
+-- When editing a file, always jump to the last known cursor position.
+-- Don't do it when the position is invalid, when inside an event handler
+-- (happens when dropping a file on gvim) and for a commit message (it's
+-- likely a different one than last time).
+local userGrp = api.nvim_create_augroup('UserGroup', { clear = true })
+vim.api.nvim_create_autocmd('BufReadPost', {
+  group = userGrp,
+  callback = function(args)
+    local valid_line = vim.fn.line([['"]]) >= 1 and vim.fn.line([['"]]) < vim.fn.line('$')
+    local not_commit = vim.b[args.buf].filetype ~= 'commit'
+
+    if valid_line and not_commit then
+      vim.cmd([[normal! g`"]])
+    end
+  end,
+})
+
+
 -- Check if we need to reload the file when it changed
 api.nvim_create_autocmd({ 'FocusGained', 'BufEnter' },
   { command = [[if !bufexists("[Command Line]") | checktime | endif]] })