#!/usr/bin/perl -w
# merge-banned-list -- copy BannedContent from one wiki to another
# Copyright (C) 2004, 2005  Alex Schroeder <alex@emacswiki.org>
#
# 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, see <http://www.gnu.org/licenses/>.

# This program copies the banned list from A to B, removing comments
# from A and keeping comments from B, and adding a date to entries
# that have none.

# $Id: merge-banned-lists,v 1.1 2006/04/26 23:36:29 as Exp $</p>'

use strict;
use LWP::UserAgent;

sub GetRaw {
  my $uri = shift;
  my $ua = LWP::UserAgent->new;
  $ua->agent('Mozilla/5.0'); # some block libwww-perl
  my $response = $ua->get($uri);
  die $uri . ": " . $response->status_line . "\n" unless $response->is_success;
  return $response->content;
}

sub Main {
  my ($source, $target) = map {
    $_ = GetRaw($_);
  } @ARGV;
  my ($sec, $min, $hour, $mday, $mon, $year) = gmtime();
  my $date = sprintf('%4d-%02d-%02d', $year+1900, $mon+1, $mday);
  my $result = join("\n", grep(/^(#|\s*$)/, split(/\n/, $target)));
  $result .= "\n" . join("\n", map {
    $_ .= " # $date" unless /#\s*\d\d\d\d-\d\d-\d\d/;
    $_;
  } sort(grep(/^[^#]/, split(/\n/, $source))));
  print $result, "\n";
}

if ($#ARGV != 1 && $#ARGV != 2) {
  die "Usage: $0 source-url target-url\n"
}

Main();
