#!/usr/bin/perl -w
# nmu -- lintian check script

# Copyright (C) 2004 Jeroen van Wolffelaar
#
# 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., 59 Temple Place - Suite 330, Boston,
# MA 02111-1307, USA.

use strict;

($#ARGV == 1) or fail("syntax: nmu <pkg> <type>");
my $pkg = shift;
my $type = shift;
my $changelog_mentions_nmu = 0;
my $changelog_mentions_qa = 0;
my $uploader = undef;

open CHANGELOG, "debfiles/changelog" or fail("Failed opening changelog");
<CHANGELOG>;
my $firstline = 1;
while (<CHANGELOG>) {
	if ($firstline) {
		$changelog_mentions_nmu = 1
			if (/nmu/i or /non-maintainer upload/i) and not /(ackno|confir)/i;
		$changelog_mentions_qa = 1 if /orphan/i or /qa (?:group )?upload/i;
		$firstline = 0 if /^\s+\S/ 
	}
	if (/^ -- ([^>]+>)/) {
		$uploader = $1;
		last;
	}
}
close CHANGELOG;

my $version = getfield("version");
my $maintainer = getfield("maintainer");
my $uploaders = getfield("uploaders");

my $version_nmuness = 0;
if ($version =~ /-[^.-]+(\.[^.-]+)?(\.[^.-]+)?$/) {
	$version_nmuness = 1 if defined $1;
	$version_nmuness = 2 if defined $2;
}

my $upload_is_nmu = $uploader ne $maintainer;
if (defined $uploaders) {
	my @uploaders = split /,/, $uploaders;
	$upload_is_nmu = 0 if grep /^\s*\Q$uploader\E\s*$/, @uploaders;
}

if ($maintainer =~ /packages\@qa.debian.org/) {
	print "E: $pkg $type: orphaned-package-should-not-have-uploaders\n"
		if defined $uploaders;
	print "W: $pkg $type: qa-upload-has-incorrect-version-number $version\n"
		if $version_nmuness;
	print "W: $pkg $type: changelog-should-mention-qa\n"
		if !$changelog_mentions_qa;
} else {
	print "W: $pkg $type: changelog-should-mention-nmu\n"
		if !$changelog_mentions_nmu && $upload_is_nmu;
	print "W: $pkg $type: source-nmu-has-incorrect-version-number $version\n"
		if $upload_is_nmu && $version_nmuness != 1;
	print "W: $pkg $type: maintainer-upload-has-incorrect-version-number $version\n"
		if !$upload_is_nmu && $version_nmuness;
}

exit 0;

# -----------------------------------

sub fail {
	if ($_[0]) {
		warn "internal error: $_[0]\n";
	} elsif ($!) {
		warn "internal error: $!\n";
	} else {
		warn "internal error.\n";
	}
	exit 1;
}

sub getfield {
	return undef if not open FIELD, "fields/".shift;
	my $field = <FIELD>;
	close FIELD;
	$field =~ s/\n$//;
	return $field;
}

# vim: ts=4 sw=4
