go to last loc when opening a buffer

lua/emp/core/autocmd.lua

@@ -29,3 +29,21 @@ au({ "BufRead", "BufNewFile" }, {
     vim.opt_local.spelllang = "en,es"
   end,
 })
+
+-- go to last loc when opening a buffer
+local LastLoc = ag("last_loc", { clear = true })
+au("BufReadPost", {
+  group = LastLoc,
+  callback = function(event)
+    local exclude = { "gitcommit" }
+    local buf = event.buf
+    if vim.tbl_contains(exclude, vim.bo[buf].filetype) then
+      return
+    end
+    local mark = vim.api.nvim_buf_get_mark(buf, '"')
+    local lcount = vim.api.nvim_buf_line_count(buf)
+    if mark[1] > 0 and mark[1] <= lcount then
+      pcall(vim.api.nvim_win_set_cursor, 0, mark)
+    end
+  end,
+})