ProgressMeter keeps state. Unfortunately, term is shared between processes.

Adds supplementary code that was first tested in proot, but may be needed
to split pkg_add into processes in the future.

2 files changed, 10 insertions, 2 deletions

diff --git a/usr.sbin/pkg_add/OpenBSD/ProgressMeter.pm b/usr.sbin/pkg_add/OpenBSD/ProgressMeter.pm
index 6265ab94778..17ffdc6cc41 100644
--- a/usr.sbin/pkg_add/OpenBSD/ProgressMeter.pm
+++ b/usr.sbin/pkg_add/OpenBSD/ProgressMeter.pm
@@ -1,5 +1,5 @@
 # ex:ts=8 sw=4:
-# $OpenBSD: ProgressMeter.pm,v 1.47 2015/05/18 10:41:20 espie Exp $
+# $OpenBSD: ProgressMeter.pm,v 1.48 2016/06/15 15:31:09 espie Exp $
 #
 # Copyright (c) 2010 Marc Espie <espie@openbsd.org>
 #
@@ -84,6 +84,8 @@ sub for_list
 package OpenBSD::ProgressMeter::Stub;
 our @ISA = qw(OpenBSD::ProgressMeter);
 
+sub forked {}
+
 sub clear {}
 
 
diff --git a/usr.sbin/pkg_add/OpenBSD/ProgressMeter/Term.pm b/usr.sbin/pkg_add/OpenBSD/ProgressMeter/Term.pm
index cc050b9e1c1..ef72c7f401f 100644
--- a/usr.sbin/pkg_add/OpenBSD/ProgressMeter/Term.pm
+++ b/usr.sbin/pkg_add/OpenBSD/ProgressMeter/Term.pm
@@ -1,5 +1,5 @@
 # ex:ts=8 sw=4:
-# $OpenBSD: Term.pm,v 1.35 2016/05/15 10:29:01 espie Exp $
+# $OpenBSD: Term.pm,v 1.36 2016/06/15 15:31:09 espie Exp $
 #
 # Copyright (c) 2004-2007 Marc Espie <espie@openbsd.org>
 #
@@ -86,6 +86,12 @@ use POSIX;
 use Term::Cap;
 use Term::ReadKey;
 
+sub forked
+{
+	my $self = shift;
+	$self->{lastdisplay} = ' 'x($self->{width}-1);
+}
+
 sub init
 {
 	my $self = shift;