set nocompatible
source $VIMRUNTIME/vimrc_example.vim
source $VIMRUNTIME/mswin.vim
behave mswin

set diffexpr=MyDiff()
function MyDiff()
  let opt = '-a --binary '
  if &diffopt =~ 'icase' | let opt = opt . '-i ' | endif
  if &diffopt =~ 'iwhite' | let opt = opt . '-b ' | endif
  let arg1 = v:fname_in
  if arg1 =~ ' ' | let arg1 = '"' . arg1 . '"' | endif
  let arg2 = v:fname_new
  if arg2 =~ ' ' | let arg2 = '"' . arg2 . '"' | endif
  let arg3 = v:fname_out
  if arg3 =~ ' ' | let arg3 = '"' . arg3 . '"' | endif
  let eq = ''
  if $VIMRUNTIME =~ ' '
    if &sh =~ '\<cmd'
      let cmd = '""' . $VIMRUNTIME . '\diff"'
      let eq = '"'
    else
      let cmd = substitute($VIMRUNTIME, ' ', '" ', '') . '\diff"'
    endif
  else
    let cmd = $VIMRUNTIME . '\diff'
  endif
  silent execute '!' . cmd . ' ' . opt . arg1 . ' ' . arg2 . ' > ' . arg3 . eq
endfunction
"
"
" customization to make vim more sexy
"
"
" default color scheme
colorscheme darkblue
" default font, use "\ " to indicate space, :h10 is the font size
set guifont=Bitstream\ Vera\ Sans\ Mono:h10
" backupdir to save all the temp file, the default folder is the same folder
" of the file you are editing, this makes your working folder very messy
set backupdir=$TEMP
set directory=$TEMP
" auto indent
set cindent
set autoindent
set smarttab
" indent size, 4 spaces in this case
set ts=4
set sw=4
" not sure what does it mean, I copied it from online
set cinoptions+=(1s
" show line number
set nu
map <MiddleMouse> <Nop>