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# ex:ts=8 sw=4:
# $OpenBSD: PackageInfo.pm,v 1.18 2005/09/04 22:47:56 espie Exp $
#
# Copyright (c) 2003-2004 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
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use strict;
use warnings;
package OpenBSD::PackageInfo;
our @ISA=qw(Exporter);
our @EXPORT=qw(installed_packages installed_info installed_name info_names is_info_name
lock_db unlock_db
add_installed delete_installed is_installed borked_package CONTENTS COMMENT DESC INSTALL DEINSTALL REQUIRE MODULE
REQUIRED_BY REQUIRING DISPLAY UNDISPLAY MTREE_DIRS);
use OpenBSD::PackageName;
use constant {
CONTENTS => '+CONTENTS',
COMMENT => '+COMMENT',
MODULE => '+MODULE.pm' ,
DESC => '+DESC',
INSTALL => '+INSTALL',
DEINSTALL => '+DEINSTALL',
REQUIRE => '+REQUIRE',
REQUIRED_BY => '+REQUIRED_BY',
REQUIRING => '+REQUIRING',
DISPLAY => '+DISPLAY',
UNDISPLAY => '+UNDISPLAY',
MTREE_DIRS => '+MTREE_DIRS' };
use Fcntl qw/:flock/;
my $pkg_db = $ENV{"PKG_DBDIR"} || '/var/db/pkg';
our $list;
our @info = (CONTENTS, COMMENT, DESC, REQUIRE, INSTALL, DEINSTALL, REQUIRED_BY, REQUIRING, DISPLAY, UNDISPLAY, MTREE_DIRS, MODULE);
our %info = ();
for my $i (@info) {
my $j = $i;
$j =~ s/\+/F/;
$info{$i} = $j;
$info{'+MODULE.pm'} = 'FMODULE';
}
sub _init_list
{
$list = {};
my @bad=();
opendir(my $dir, $pkg_db) or die "Bad pkg_db: $!";
while (my $e = readdir($dir)) {
next if $e eq '.' or $e eq '..';
next unless -d "$pkg_db/$e";
if (! -r _) {
push(@bad, $e);
next;
}
if (-f "$pkg_db/$e/+CONTENTS") {
$list->{$e} = 1;
} else {
print "Warning: $e is not really a package\n";
}
}
close($dir);
if (@bad > 0) {
print "Warning: can't access information for ", join(", ", @bad), "\n";
}
}
sub add_installed
{
if (!defined $list) {
_init_list();
}
for my $p (@_) {
$list->{$p} = 1;
}
}
sub delete_installed
{
if (!defined $list) {
_init_list();
}
for my $p (@_) {
delete $list->{$p};
}
}
sub installed_packages(;$)
{
if (!defined $list) {
_init_list();
}
if ($_[0]) {
return grep { !/^\./ } keys %$list;
} else {
return keys %$list;
}
}
sub installed_info($)
{
my $name = shift;
if ($name =~ m|^\Q$pkg_db\E/?|) {
return "$name/";
} else {
return "$pkg_db/$name/";
}
}
sub installed_contents($)
{
return installed_info(shift).CONTENTS;
}
sub borked_package($)
{
my $pkgname = $_[0];
unless (-e "$pkg_db/partial-$pkgname") {
return "partial-$pkgname";
}
my $i = 1;
while (-e "$pkg_db/partial-$pkgname.$i") {
$i++;
}
return "partial-$pkgname.$i";
}
sub is_installed($)
{
my $name = installed_name(shift);
if (!defined $list) {
installed_packages();
}
return defined $list->{$name};
}
sub installed_name($)
{
my $name = shift;
$name =~ s|/$||;
$name =~ s|^\Q$pkg_db\E/?||;
return $name;
}
sub info_names()
{
return @info;
}
sub is_info_name($)
{
my $name = shift;
return $info{$name};
}
my $dlock;
sub lock_db($;$)
{
my ($shared, $quiet) = @_;
my $mode = $shared ? LOCK_SH : LOCK_EX;
open($dlock, '<', $pkg_db) or return;
if (flock($dlock, $mode | LOCK_NB)) {
return;
}
print STDERR "Package database already locked... awaiting release\n"
unless $quiet;
while (!flock($dlock, $mode)) {
}
return;
}
sub unlock_db()
{
if (defined $dlock) {
flock($dlock, LOCK_UN);
close($dlock);
}
}
sub solve_installed_names
{
my ($old, $new, $msg, $state) = @_;
my $installed;
my $bad = 0;
for my $pkgname (@$old) {
$pkgname =~ s/\.tgz$//;
if (is_installed($pkgname)) {
push(@$new, installed_name($pkgname));
} else {
if (OpenBSD::PackageName::is_stem($pkgname)) {
if (!defined $installed) {
$installed = OpenBSD::PackageName::compile_stemlist(installed_packages());
}
my @l = $installed->findstem($pkgname);
if (@l == 0) {
print "Can't resolve $pkgname to an installed package name\n";
$bad = 1;
} elsif (@l == 1) {
push(@$new, $l[0]);
} elsif (@l != 0) {
print "Ambiguous: $pkgname could be ", join(' ', @l),"\n";
if ($state->{forced}->{ambiguous}) {
print "$msg\n";
push(@$new, @l);
} else {
if ($state->{interactive}) {
require OpenBSD::ProgressMeter;
my $result = OpenBSD::ProgressMeter::ask_list('Choose one package', 1, ("<None>", sort @l));
push(@$new, $result) if $result ne '<None>';
} else {
$bad = 1;
}
}
}
}
}
}
return $bad;
}
1;
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