#!/usr/bin/env perl

=head
    Remove any unreferenced images
    Copyright (C) 2008 Red Hat, Inc.

    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 2 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.

=cut

use strict;
use warnings;

my $cmd
    = q/find . -type f -regex '.*\(svg\|png\|jpg\|jpeg\|gif\)' | grep -v Common_Content | sort/;

foreach my $file (`$cmd`) {
    chomp($file);
    $file =~ /^.*\/([^\/]*)$/;
    my $img = $1;
    if ( $img ne "icon.svg" && `grep -rle '[\/"]$img' *` !~ /./ ) {
        print("Removing unused image: $file\n");
        system("rm -f $file") == 0 || die("Could not remove $file");
    }
}
