From d152f8b0ee639fc08138a19fef8653346ed4762b Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Wed, 12 Oct 2016 11:35:19 +0200
Subject: [PATCH] SectionConfig: always write out explicitly set booleans

Because when only writing the ones which are true we're
breaking the ones which default to true (like the mkdir
option on directory storages, where we need a false value
to be written out explicitly).
---
 src/PVE/SectionConfig.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/PVE/SectionConfig.pm b/src/PVE/SectionConfig.pm
index 3030f60..a6301e2 100644
--- a/src/PVE/SectionConfig.pm
+++ b/src/PVE/SectionConfig.pm
@@ -400,7 +400,8 @@ my $format_config_line = sub {
 	if ($key =~ m/[\n\r]/) || ($value =~ m/[\n\r]/);
 
     if ($ct eq 'boolean') {
-	return $value ? "\t$key\n" : '';
+	return "\t$key " . ($value ? 1 : 0) . "\n"
+	    if defined($value);
     } else {
 	return "\t$key $value\n" if "$value" ne '';
     }