From 02254ccd1c05bf1f17a6c1abd6d121602e166f5d Mon Sep 17 00:00:00 2001
From: espie <espie@openbsd.org>
Date: Sat, 27 Aug 2016 18:17:46 +0000
Subject: [PATCH] in case we run delete_first (not enough room), delay the
 unlink of tied items so we can still skip extracting them.

better than the stopgap measure I committed a few weeks ago.
---
 usr.sbin/pkg_add/OpenBSD/Add.pm    |  5 ++---
 usr.sbin/pkg_add/OpenBSD/Delete.pm | 13 +++++++++----
 usr.sbin/pkg_add/OpenBSD/PkgAdd.pm | 19 +++++++++++++++++--
 3 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/usr.sbin/pkg_add/OpenBSD/Add.pm b/usr.sbin/pkg_add/OpenBSD/Add.pm
index 9b7f174dfcc..530f23ec8f1 100644
--- a/usr.sbin/pkg_add/OpenBSD/Add.pm
+++ b/usr.sbin/pkg_add/OpenBSD/Add.pm
@@ -1,5 +1,5 @@
 # ex:ts=8 sw=4:
-# $OpenBSD: Add.pm,v 1.171 2016/08/12 11:17:37 espie Exp $
+# $OpenBSD: Add.pm,v 1.172 2016/08/27 18:17:46 espie Exp $
 #
 # Copyright (c) 2003-2014 Marc Espie <espie@openbsd.org>
 #
@@ -420,8 +420,7 @@ use OpenBSD::Temp;
 sub find_extractible
 {
 	my ($self, $state, $wanted, $tied) = @_;
-	if ($self->{tieto} && !$state->{delete_first} 
-	    || $self->{link} || $self->{symlink}) {
+	if ($self->{tieto} || $self->{link} || $self->{symlink}) {
 		$tied->{$self->name} = $self;
 	} else {
 		$wanted->{$self->name} = $self;
diff --git a/usr.sbin/pkg_add/OpenBSD/Delete.pm b/usr.sbin/pkg_add/OpenBSD/Delete.pm
index dc83d25ca18..af94e56ed4d 100644
--- a/usr.sbin/pkg_add/OpenBSD/Delete.pm
+++ b/usr.sbin/pkg_add/OpenBSD/Delete.pm
@@ -1,5 +1,5 @@
 # ex:ts=8 sw=4:
-# $OpenBSD: Delete.pm,v 1.145 2016/02/03 18:30:15 robert Exp $
+# $OpenBSD: Delete.pm,v 1.146 2016/08/27 18:17:46 espie Exp $
 #
 # Copyright (c) 2003-2014 Marc Espie <espie@openbsd.org>
 #
@@ -451,9 +451,14 @@ sub delete
 		$state->say("deleting: #1", $realname);
 	}
 	return if $state->{not};
-	if (!unlink $realname) {
-		$state->errsay("Problem deleting #1: #2", $realname, $!);
-		$state->log("deleting #1 failed: #2", $realname, $!);
+	if ($state->{delete_first} && $self->{tied}) {
+		push(@{$state->{delayed}}, $realname);
+	} else {
+		if (!unlink $realname) {
+			$state->errsay("Problem deleting #1: #2", $realname, 
+			    $!);
+			$state->log("deleting #1 failed: #2", $realname, $!);
+		}
 	}
 }
 
diff --git a/usr.sbin/pkg_add/OpenBSD/PkgAdd.pm b/usr.sbin/pkg_add/OpenBSD/PkgAdd.pm
index e18f1a14d67..f1798267f4a 100644
--- a/usr.sbin/pkg_add/OpenBSD/PkgAdd.pm
+++ b/usr.sbin/pkg_add/OpenBSD/PkgAdd.pm
@@ -1,7 +1,7 @@
 #! /usr/bin/perl
 
 # ex:ts=8 sw=4:
-# $OpenBSD: PkgAdd.pm,v 1.88 2015/10/07 17:52:38 jmc Exp $
+# $OpenBSD: PkgAdd.pm,v 1.89 2016/08/27 18:17:46 espie Exp $
 #
 # Copyright (c) 2003-2014 Marc Espie <espie@openbsd.org>
 #
@@ -751,6 +751,19 @@ sub delete_old_packages
 	# Here there should be code to handle old libs
 }
 
+sub delayed_delete
+{
+	my $state = shift;
+	for my $realname (@{$state->{delayed}}) {
+		if (!unlink $realname) {
+			$state->errsay("Problem deleting #1: #2", $realname, 
+			    $!);
+			$state->log("deleting #1 failed: #2", $realname, $!);
+		}
+	}
+	delete $state->{delayed};
+}
+
 sub really_add
 {
 	my ($set, $state) = @_;
@@ -819,7 +832,9 @@ sub really_add
 			    $handle->pkgname." failed", $set, $state));
 		}
 	}
-	if (!$state->{delete_first}) {
+	if ($state->{delete_first}) {
+		delayed_delete($state);
+	} else {
 		$state->{hardkill} = 1;
 		delete_old_packages($set, $state);
 	}
-- 
2.20.1