1# ex:ts=8 sw=4:
2# $OpenBSD: ForwardDependencies.pm,v 1.11 2010/12/24 09:04:14 espie Exp $
3#
4# Copyright (c) 2009 Marc Espie <espie@openbsd.org>
5#
6# Permission to use, copy, modify, and distribute this software for any
7# purpose with or without fee is hereby granted, provided that the above
8# copyright notice and this permission notice appear in all copies.
9#
10# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16
17# handling of forward dependency adjustments
18
19use strict;
20use warnings;
21
22package OpenBSD::ForwardDependencies;
23
24require OpenBSD::RequiredBy;
25
26sub find
27{
28	my ($class, $set) = @_;
29	my $forward = {};
30	for my $old ($set->older) {
31		for my $f (OpenBSD::RequiredBy->new($old->pkgname)->list) {
32			next if defined $set->{older}->{$f};
33			next if defined $set->{kept}->{$f};
34			$forward->{$f} = 1;
35		}
36	}
37	bless { forward => $forward, set => $set}, $class;
38}
39
40sub adjust
41{
42	my ($self, $state) = @_;
43	my $set = $self->{set};
44
45	for my $f (keys %{$self->{forward}}) {
46		my $deps_f = OpenBSD::Requiring->new($f);
47		for my $check ($deps_f->list) {
48			my $h = $set->{older}->{$check};
49			next unless defined $h;
50			if (!defined $h->{update_found}) {
51				$state->errsay("XXX #1", $check);
52				$deps_f->delete($check);
53			} else {
54				my $r = $h->{update_found}->pkgname;
55				$state->say("Adjusting #1 to #2 in #3",
56				    $check, $r, $f)
57					if $state->verbose >= 3;
58				if ($check ne $r) {
59					$deps_f->delete($check)->add($r);
60				}
61				OpenBSD::RequiredBy->new($r)->add($f);
62			}
63		}
64	}
65}
66
67sub check
68{
69	my ($self, $state) = @_;
70	my $forward = $self->{forward};
71	my $set = $self->{set};
72
73	my @r = keys %$forward;
74
75	my $result = {};
76
77	return $result if @r == 0;
78	$state->say("Verifying dependencies still match for #1",
79	    join(', ', @r)) if $state->verbose >= 2;
80
81	my @new = ($set->newer_names, $set->kept_names);
82	my @old = $set->older_names;
83
84	for my $f (@r) {
85		my $p2 = OpenBSD::PackingList->from_installation(
86		    $f, \&OpenBSD::PackingList::DependOnly);
87		if (!defined $p2) {
88			$state->errsay("Error: #1 missing from installation", $f);
89		} else {
90			$p2->check_forward_dependency($f, \@old, \@new, $result);
91		}
92	}
93	if (%$result) {
94		$state->say("#1 forward dependencies:", $set->print);
95		while (my ($pkg, $l) = each %$result) {
96			my $deps = join(',', map {$_->{pattern}} @$l);
97			if (@$l == 1) {
98				$state->say("| Dependency of #1 on #2 doesn't match",
99				    $pkg, $deps);
100			} else {
101				$state->say("| Dependencies of #1 on #2 don't match",
102				    $pkg, $deps);
103			}
104		}
105	}
106	return $result;
107}
108
109package OpenBSD::PackingElement;
110sub check_forward_dependency
111{
112}
113
114package OpenBSD::PackingElement::Dependency;
115sub check_forward_dependency
116{
117	my ($self, $f, $old, $new, $r) = @_;
118
119	# nothing to validate if old dependency doesn't concern us.
120	return unless $self->spec->filter(@$old);
121	# nothing to do if new dependency just matches
122	return if $self->spec->filter(@$new);
123
124	push(@{$r->{$f}}, $self);
125}
126
1271;
128