Vim GitDiffCheck

gitdiffcheck.vim

" ~/.vim/plugin/gitdiffcheck.vim
" Open up whitespace errors in the Quickfix List
" Jeff McCune
" Shamelessly stolen from http://blog.ant0ine.com/typepad/2007/03/ack-and-vim-integration.html
"
" Just run :GitDiffCheck 2.x
"
" this will check your current branch for against the 2.x branch
" which is useful if you want to know if you're about to merge in
" a pull request that contains a bunch of syntax errors.

function! GitDiffCheck(args)
  let cmd = "git diff --check " . a:args
  echo "running: " . cmd

  let tmpfile = tempname()
  let cmd = cmd . " > " . tmpfile
  call system(cmd)

  let efm_bak = &efm
  set efm=%f:%l:%m
  execute "silent! cgetfile " . tmpfile
  let &efm = efm_bak
  botright copen

  call delete(tmpfile)
endfunction

command! -nargs=* -complete=file GitDiffCheck call GitDiffCheck(<q-args>)