don't pass along keep-options equal to zero to PBS

In PBS, zero is not allowed for these options.

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>

diff --git a/PVE/Storage/PBSPlugin.pm b/PVE/Storage/PBSPlugin.pm
index 41d5b89730c0647570f0c95b889e3f40730c22f4..2e6d3f6f48e3651fbbec3053da8cc9735d7e5da0 100644 (file)
--- a/PVE/Storage/PBSPlugin.pm
+++ b/PVE/Storage/PBSPlugin.pm
@@ -314,6 +314,7 @@ sub prune_backups {
 
     my @param;
     foreach my $opt (keys %{$keep}) {
+       next if $keep->{$opt} == 0;
        push @param, "--$opt";
        push @param, "$keep->{$opt}";
     }