#!/usr/bin/perl

# $OpenBSD: check-package-dependencies,v 1.2 2003/02/26 15:45:44 espie Exp $
# Copyright (c) 2000
# Marc Espie.  All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Neither the name of OpenBSD nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY ITS AUTHOR AND THE OpenBSD project ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

# check all packages in the current directory, and report all dependencies,
# including Broken: for apparently missing packages.
# Used to hunt ftp-packages/cdrom-packages problems.

use strict;

sub analyze {
	my $fh = shift;
	my $main;
	local $_;
	while (<$fh>) {
		chomp;
		if (m/^\@name\s+(\S+)\s*$/) {
			$main=$1;
		}
		elsif (m/^\@pkgdep\s+(\S*)\s*$/) {
			my $pkgname = $1;
			if (-e "$pkgname.tgz") {
				print "$main -> $pkgname\n";
			} else {
				print "Broken: $main -> $pkgname\n";
			}
		}
		elsif (m/^\@newdepend\s+(\S+?)\:\S+?\:(\S+)\s*$/ ||
			m/^\@libdepend\s+(\S+?)\:\S+?\:\S+?\:(\S+)\s*$/) {
			if ($1 eq $main) {
				my $pkgname = $2;
				if (-e "$pkgname.tgz") {
					print "$main -> $pkgname\n";
				} else {
					print "Broken: $main -> $pkgname\n";
				}
			}
		}
	}
}


for my $pkgname (<*.tgz>) {
	print STDERR "$pkgname\n";
	system "tar zxqf $pkgname +CONTENTS";
	if (open(my $fh, '<+CONTENTS')) {
	    analyze($fh);
	    unlink("+CONTENTS");
	} else {
	    warn "Problem with $pkgname";
	}
}