# conffiles -- lintian check script -*- perl -*-

# Copyright (C) 1998 Christian Schwarz
#
# 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, you can find it on the World Wide
# Web at http://www.gnu.org/copyleft/gpl.html, or write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.

package Lintian::conffiles;
use strict;
use Tags;
use Util;

sub run {

my $pkg = shift;
my $type = shift;

my $cf = "control/conffiles";

# conffiles?
unless (-f $cf) {
    return 0;
}

my %conffiles = ();

open(IN, '<', $cf) or fail("cannot open $cf for reading: $!");
while (<IN>) {
    chop;
    next if m/^\s*$/;

    unless (m,^/,) {
	tag "relative-conffile", $_;
	$_ = '/' . $_;
    }

    $conffiles{$_}++;

    if ($conffiles{$_} > 1) {
	tag "duplicate-conffile", $_;
    }

    if (m,^/usr/,) {
	tag "file-in-usr-marked-as-conffile", $_;
    } else {
	unless (m,^/etc/,) {
	    tag "non-etc-file-marked-as-conffile", $_;
	}
    }

}
close(IN);

}

1;
