xref: /openbsd/usr.sbin/pkg_add/OpenBSD/PkgCfl.pm (revision 898184e3) 
1# ex:ts=8 sw=4:
2# $OpenBSD: PkgCfl.pm,v 1.37 2011/07/02 12:12:58 espie Exp $
3#
4# Copyright (c) 2003-2005 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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
18use strict;
19use warnings;
20
21package OpenBSD::PkgCfl;
22use OpenBSD::PackageName;
23use OpenBSD::Search;
24use OpenBSD::PackageInfo;
25
26sub make_conflict_list
27{
28	my ($class, $plist) = @_;
29	my $l = [];
30	my $pkgname = $plist->pkgname;
31	my $stem = OpenBSD::PackageName::splitstem($pkgname);
32
33	unless (defined $plist->{'no-default-conflict'}) {
34		push(@$l, OpenBSD::Search::PkgSpec->new("$stem-*|partial-$stem-*"));
35	} else {
36		push(@$l, OpenBSD::Search::Exact->new("$pkgname|partial-$pkgname"));
37	}
38	if (defined $plist->{conflict}) {
39		for my $cfl (@{$plist->{conflict}}) {
40		    push(@$l, $cfl->spec);
41		}
42	}
43	bless $l, $class;
44}
45
46sub conflicts_with
47{
48	my ($self, @pkgnames) = @_;
49	my @libs = grep {/^\.libs\d*\-/} @pkgnames;
50	@pkgnames = grep {!/^\.libs\d*\-/} @pkgnames;
51	if (wantarray) {
52		my @l = ();
53		for my $cfl (@$self) {
54			push(@l, $cfl->filter(@pkgnames));
55			push(@l, $cfl->filter_libs(@libs));
56		}
57		return @l;
58	} else {
59		for my $cfl (@$self) {
60			if ($cfl->filter(@pkgnames)) {
61				return 1;
62			}
63			if ($cfl->filter_libs(@libs)) {
64				return 1;
65			}
66		}
67		return 0;
68	}
69}
70
71sub register($$)
72{
73	my ($plist, $state) = @_;
74
75	$state->{conflict_list}->{$plist->pkgname} = $plist->conflict_list;
76}
77
78sub unregister($$)
79{
80	my ($plist, $state) = @_;
81	delete $state->{conflict_list}->{$plist->pkgname};
82}
83
84sub fill_conflict_lists($)
85{
86	my $state = shift;
87	for my $pkg (installed_packages()) {
88		my $plist = OpenBSD::PackingList->from_installation($pkg,
89		    \&OpenBSD::PackingList::ConflictOnly);
90		next unless defined $plist;
91		if (!defined $plist->pkgname) {
92			print STDERR "No pkgname in packing-list for $pkg\n";
93			next;
94		}
95		register($plist, $state);
96	}
97}
98
99sub find($$)
100{
101	my ($pkgname, $state) = @_;
102	my @bad = ();
103	if (is_installed $pkgname) {
104		push(@bad, $pkgname);
105	}
106	if (!defined $state->{conflict_list}) {
107		fill_conflict_lists($state);
108	}
109	while (my ($name, $l) = each %{$state->{conflict_list}}) {
110		next if $name eq $pkgname;
111		if (!defined $l) {
112			die "Error: $name has no definition";
113		}
114		if ($l->conflicts_with($pkgname)) {
115			push(@bad, $name);
116		}
117	}
118	return @bad;
119}
120
121sub find_all
122{
123	my ($plist, $state) = @_;
124
125	my @first = $plist->conflict_list->conflicts_with(installed_packages());
126	# XXX optimization
127	if (@first > 0 && !$state->{allow_replacing}) {
128		return @first;
129	}
130
131	my @conflicts = find($plist->pkgname, $state);
132	return (@conflicts, @first);
133}
134
1351;
136