#!/usr/bin/env perl

# wdiff wrapper to be used as a "svn --diff-cmd" command.
# Copyright 2012 Vincent Lefevre <vincent@vinc17.net>.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA

use strict;

my @cmd = split / +/,
  "wdiff -n -w \033[30;41m -x \033[0m -y \033[30;42m -z \033[0m";
my @f = qw(--- +++);
my $lopt;
foreach my $arg (@ARGV)
  {
    if ($lopt)
      {
        my $p = shift @f;
        defined $p or $! = 2, die "$0: too many -L options\n";
        print "$p $arg\n";
        undef $lopt;
        next;
      }
    $arg eq '-u' and next;
    $arg eq '-L' and $lopt = 1, next;
    push @cmd, $arg;
  }

exec @cmd;

# $Id: swdiff 54259 2012-08-17 15:53:35Z vinc17/xvii $