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# ex:ts=8 sw=4:
# $OpenBSD: Replace.pm,v 1.89 2014/11/29 10:42:51 espie Exp $
#
# Copyright (c) 2004-2014 Marc Espie <espie@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
use strict;
use warnings;
use OpenBSD::Delete;
package OpenBSD::PackingElement;
sub can_update
{
my ($self, $installing, $state) = @_;
my $issue = $self->update_issue($installing);
if (defined $issue) {
push(@{$state->{journal}}, $issue);
}
}
sub update_issue { undef }
package OpenBSD::PackingElement::Exec;
sub update_issue
{
my ($self, $installing) = @_;
return if !$installing;
return '@'.$self->keyword.' '.$self->{expanded};
}
package OpenBSD::PackingElement::ExecAdd;
sub update_issue { undef }
package OpenBSD::PackingElement::Unexec;
sub update_issue
{
my ($self, $installing) = @_;
return if $installing;
return '@'.$self->keyword.' '.$self->{expanded};
}
package OpenBSD::PackingElement::UnexecDelete;
sub update_issue { undef }
package OpenBSD::Replace;
sub check_plist_exec
{
my ($plist, $state, $new) = @_;
$state->{journal} = [];
$plist->can_update($new, $state);
return 1 if @{$state->{journal}} == 0;
$state->errsay(($new ? "New": "Old").
" package #1 will run the following commands", $plist->pkgname);
for my $i (@{$state->{journal}}) {
if ($new) {
$state->errsay("+ #1", $i);
} else {
$state->errsay("- #1", $i);
}
}
return 0;
}
sub can_old_package_be_replaced
{
my ($plist, $state) = @_;
return check_plist_exec($plist, $state, 0);
}
sub is_new_package_safe
{
my ($plist, $state) = @_;
return check_plist_exec($plist, $state, 1);
}
sub is_set_safe
{
my ($set, $state) = @_;
if (!$state->defines('paranoid') && !$state->verbose) {
return 1;
}
my $ok = 1;
for my $pkg ($set->older) {
$ok = 0 unless can_old_package_be_replaced($pkg->plist, $state);
}
for my $pkg ($set->newer) {
$ok = 0 unless is_new_package_safe($pkg->plist, $state);
}
return 1 if $ok;
if (!$state->defines('paranoid')) {
$state->errsay("Running update");
return 1;
} elsif ($state->is_interactive) {
if ($state->confirm("proceed with update anyway", 0)) {
return 1;
} else {
return 0;
}
} else {
$state->errsay("Cannot install #1",
$set->print);
return 0;
}
}
1;
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