localvimrc.vim

" if the current buffer has a different working directory than the one when
" Vim starts, source the .localvimrc

augroup Localvimrc
  autocmd!
  autocmd VimEnter * if filereadable('.localvimrc')
        \| so .localvimrc
        \| endif
        \| let g:localvimrc_directory = getcwd()
  autocmd BufEnter,BufNewFile * if getcwd() != g:localvimrc_directory && filereadable('.localvimrc')
        \| so .localvimrc
        \| endif
augroup END