" $Id$ vim: set syntax=vim:
" Define the function we'll use.  It's easier to do this than to faff about 
" trying to run a sequence of normal mode commands.
fun! SVNcommit()
  " Allow closing an unmodified spec.
  set nomod

  " Create a new window, move it below the spec and read in a diff.
  botright new
  r!svn diff
  setf diff

  " Delete the blank line left above the diff.
  1
  delete
  se nobuflisted
  set buftype=nofile
  set bufhidden=hide
  setlocal noswapfile

  " Switch back to the top window.
  wincmd k
endfun

" Expand the command line window so we don't have to press RETURN later.
let s:cmdheight = &cmdheight
se cmdheight=2

" Call and then discard our function.
call SVNcommit()
delfunction SVNcommit

" Restore the command window.
exe "se cmdheight=" . s:cmdheight

" Close the scratch buffer.
if version >= 700
  " Vim 7 lets us close the buffer by number.  The changelist is always in #1.
  au BufWinLeave <buffer=1> qa!
else
  " Prior versions can only do it by name.  Fall back to a temporary file.
  au BufWinLeave /tmp/tmp.*.* qa!
endif