From fafeb6e6bc1e1174c1da901a8295669be0ad8088 Mon Sep 17 00:00:00 2001
From: Marc Espie <espie@cvs.openbsd.org>
Date: Fri, 8 Jan 2010 16:42:57 +0000
Subject: stat objects with more than value (store symlinks eventually)

---
 usr.sbin/pkg_add/OpenBSD/CollisionReport.pm |  6 +--
 usr.sbin/pkg_add/OpenBSD/Vstat.pm           | 66 +++++++++++++++++++++++++----
 usr.sbin/pkg_add/TODO                       |  1 +
 3 files changed, 62 insertions(+), 11 deletions(-)

(limited to 'usr.sbin')

diff --git a/usr.sbin/pkg_add/OpenBSD/CollisionReport.pm b/usr.sbin/pkg_add/OpenBSD/CollisionReport.pm
index 00df272e7e4..aec557ee572 100644
--- a/usr.sbin/pkg_add/OpenBSD/CollisionReport.pm
+++ b/usr.sbin/pkg_add/OpenBSD/CollisionReport.pm
@@ -1,5 +1,5 @@
 # ex:ts=8 sw=4:
-# $OpenBSD: CollisionReport.pm,v 1.29 2009/12/20 22:38:45 espie Exp $
+# $OpenBSD: CollisionReport.pm,v 1.30 2010/01/08 16:42:56 espie Exp $
 #
 # Copyright (c) 2003-2006 Marc Espie <espie@openbsd.org>
 #
@@ -29,8 +29,8 @@ sub find_collisions
 	my $bypkg = {};
 	for my $name (keys %$todo) {
 		my $p = $state->vstat->exists($name);
-		if (ref $p) {
-			my $pkg = $$p;
+		if (defined $p && $p->value) {
+			my $pkg = $p->value;
 			push(@{$bypkg->{$pkg}}, $name);
 			delete $todo->{$name};
 		}
diff --git a/usr.sbin/pkg_add/OpenBSD/Vstat.pm b/usr.sbin/pkg_add/OpenBSD/Vstat.pm
index ab67914b81f..e4f48e92858 100644
--- a/usr.sbin/pkg_add/OpenBSD/Vstat.pm
+++ b/usr.sbin/pkg_add/OpenBSD/Vstat.pm
@@ -1,5 +1,5 @@
 # ex:ts=8 sw=4:
-# $OpenBSD: Vstat.pm,v 1.54 2010/01/05 11:00:57 espie Exp $
+# $OpenBSD: Vstat.pm,v 1.55 2010/01/08 16:42:56 espie Exp $
 #
 # Copyright (c) 2003-2007 Marc Espie <espie@openbsd.org>
 #
@@ -24,6 +24,59 @@
 use strict;
 use warnings;
 
+{
+package OpenBSD::Vstat::Object;
+my $cache = {};
+my $x = undef;
+my $dummy = bless \$x, __PACKAGE__;
+
+sub new
+{
+	my ($class, $value) = shift;
+	if (!defined $value) {
+		return $dummy;
+	}
+	if (!defined $cache->{$value}) {
+		$cache->{value} = bless \$value, $class;
+	}
+	return $cache->{value};
+}
+
+sub exists
+{
+	return 1;
+}
+
+sub value
+{
+	my $self = shift;
+	return $$self;
+}
+
+sub none
+{
+	return OpenBSD::Vstat::Object::None->new;
+}
+
+}
+{
+package OpenBSD::Vstat::Object::None;
+our @ISA = qw(OpenBSD::Vstat::Object);
+
+my $x = undef;
+my $none = bless \$x, __PACKAGE__;
+
+sub exists
+{
+	return 0;
+}
+
+sub new
+{
+	return $none;
+}
+}
+
 package OpenBSD::Vstat;
 use File::Basename;
 use OpenBSD::Paths;
@@ -67,7 +120,7 @@ sub exists
 	my ($self, $name) = @_;
 	for my $v (@{$self->{v}}) {
 		if (defined $v->{$name}) {
-			return $v->{$name};
+			return $v->{$name}->exists;
 		}
 	}
 	return -e $name;
@@ -105,18 +158,15 @@ sub drop_changes
 sub add
 {
 	my ($self, $name, $size, $value) = @_;
-	if (defined $value) {
-		$self->{v}[0]->{$name} = $value;
-	} else {
-		$self->{v}[0]->{$name} = 1;
-	}
+	$self->{v}[0]->{$name} = OpenBSD::Vstat::Object->new($value);
+
 	return defined($size) ? $self->account_for($name, $size) : undef;
 }
 
 sub remove
 {
 	my ($self, $name, $size) = @_;
-	$self->{v}[0]->{$name} = 0;
+	$self->{v}[0]->{$name} = OpenBSD::Vstat::Object->none;
 	return defined($size) ? $self->account_later($name, -$size) : undef;
 }
 
diff --git a/usr.sbin/pkg_add/TODO b/usr.sbin/pkg_add/TODO
index 7ef47a0f0d0..00a58fe247c 100644
--- a/usr.sbin/pkg_add/TODO
+++ b/usr.sbin/pkg_add/TODO
@@ -17,3 +17,4 @@ different but older.
 cases, we're going to install this package right away, so we should try to
 keep it open to avoid spurious ftp disconnects.
 - get an update path for libraries to be able to adjust dependencies correctly.
+- provide a "smart" is it installed ? option. pkg_info -u package ?
-- 
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