neovim: fix remember cursor position

modules/terminal-life/nvim/default.nix

@@ -193,6 +193,7 @@ in {
     (builtins.readFile ./ui.vim)
     (builtins.readFile ./quickfixopenall.vim)
     (builtins.readFile ./lsp.vim)
+    (builtins.readFile ./lastplace.lua)
     ''
       " fzf with file preview
       command! -bang -nargs=? -complete=dir Files

modules/terminal-life/nvim/init.vim

@@ -106,12 +106,6 @@ imap <c-x><c-l> <plug>(fzf-complete-line)
 " Clear quickfix shortcut
 nmap <Leader>c :ccl<CR>
 
-" Remember cursor position
-" Vim jumps to the last position when reopening a file
-if has("autocmd")
-  au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
-endif
-
 nmap - :NnnPicker %<CR>
 nmap <leader>n :NnnPicker %<CR>
 nmap <leader>N :NnnPicker<CR>

modules/terminal-life/nvim/lastplace.lua

@@ -0,0 +1,47 @@
+lua <<EOF
+  -- from https://github.com/neovim/neovim/issues/16339#issuecomment-1348133829
+  local ignore_buftype = { "quickfix", "nofile", "help" }
+  local ignore_filetype = { "gitcommit", "gitrebase", "svn", "hgcommit" }
+
+  local function run()
+      if vim.tbl_contains(ignore_buftype, vim.bo.buftype) then
+          return
+      end
+
+      if vim.tbl_contains(ignore_filetype, vim.bo.filetype) then
+          -- reset cursor to first line
+          vim.cmd.normal{'gg', bang = true}
+          return
+      end
+
+      -- If a line has already been specified on the command line, we are done
+      --   nvim file +num
+      if vim.fn.line(".") > 1 then
+          return
+      end
+
+      local last_line = vim.fn.line([['"]])
+      local buff_last_line = vim.fn.line("$")
+
+      -- If the last line is set and the less than the last line in the buffer
+      if last_line > 0 and last_line <= buff_last_line then
+          local win_last_line = vim.fn.line("w$")
+          local win_first_line = vim.fn.line("w0")
+          -- Check if the last line of the buffer is the same as the win
+          if win_last_line == buff_last_line then
+              -- Set line to last line edited
+              vim.cmd.normal{[[g`"]], bang = true}
+              -- Try to center
+          elseif buff_last_line - last_line > ((win_last_line - win_first_line) / 2) - 1 then
+              vim.cmd.normal{[[g`"zz]], bang = true}
+          else
+              vim.cmd.normal{[[G'"<c-e>]], bang = true}
+          end
+      end
+  end
+
+vim.api.nvim_create_autocmd({'BufWinEnter', 'FileType'}, {
+    group    = vim.api.nvim_create_augroup('nvim-lastplace', { clear = true }),
+    callback = run
+})
+EOF