#!/bin/bash
#
# Copyright (C) 2005,
#   Stefano Zacchiroli	<zack@cs.unibo.it>
#   Enrico Tassi	<tassi@cs.unibo.it>
#   Mikael Berthe	<mikael.berthe@lilotux.net>
#
# This is free software, you can redistribute it and/or modify it under the
# terms of the GNU General Public License version 2 as published by the Free
# Software Foundation.
#

vimdiff="vimdiff"
suffix="vimhgdiff"
files="$1"

if [ -z "$files" ]; then
  files=$(hg status 2> /dev/null | grep "^M " | cut -c 3-)
fi

for f in $files; do
  if ! [ -f $f ]; then break; fi
  patch=`tempfile -p $suffix`
  orig=`tempfile -p $suffix`
  # We should check if the file belongs to the repository
  #cut -d '/' -f 2 < CVS/Entries | grep "^$f\$" > /dev/null || break
  trap "rm -f $patch $orig" EXIT
  cp "$f" $orig
  hg diff "$f" > $patch
  if ! [ $? -eq 0 ]; then
    echo "hg diff error for $f" >&2
    rm -f $patch $orig
    continue
  fi
  patch -R -p0 $orig $patch
  $vimdiff $orig $f
  rm -f $patch $orig
done