update autocmd.vim

Automatically quit vim if actual files are closed.

Author: veggiemonk

config/autocmd.vim

@@ -19,3 +19,24 @@ autocmd BufRead,BufNewFile .jshintrc setfiletype json
 "autocmd CursorMovedI * if pumvisible() == 0|pclose|endif
 autocmd InsertLeave * if pumvisible() == 0|pclose|endif
 
+function! CheckLeftBuffers()
+  if tabpagenr('$') == 1
+    let i = 1
+    while i <= winnr('$')
+      if getbufvar(winbufnr(i), '&buftype') == 'help' ||
+          \ getbufvar(winbufnr(i), '&buftype') == 'quickfix' ||
+          \ exists('t:NERDTreeBufName') &&
+          \   bufname(winbufnr(i)) == t:NERDTreeBufName ||
+          \ bufname(winbufnr(i)) == '__Tag_List__'
+        let i += 1
+      else
+        break
+      endif
+    endwhile
+    if i == winnr('$') + 1
+      qall
+    endif
+    unlet i
+  endif
+endfunction
+autocmd BufEnter * call CheckLeftBuffers()