ShortVim, Autoread

This should be in everyone’s .vimrc
No exceptions!!

Automatically updates a file being viewed in vim when it is updated outside of vim.

:help autoread

" When a file has been detected to have been changed outside of Vim and
" it has not been changed inside of Vim, automatically read it again.
" When the file has been deleted this is not done.  |timestamp|
" If this option has a local value, use this command to switch back to
" using the global value:

Just add to your .vimrc file

set autoread