[PATCH 5/7] config: allow "0" as a valid mainrepo path

[Eric Wong <e@80x24.org>]

It's probably wrong to use relative path names, but things are
all relative these days anyways with shared and networked FSes.
---
 lib/PublicInbox/Config.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/Config.pm b/lib/PublicInbox/Config.pm
index e0329ebf..509de0a0 100644
--- a/lib/PublicInbox/Config.pm
+++ b/lib/PublicInbox/Config.pm
@@ -93,7 +93,7 @@ sub each_inbox {
 	# may auto-vivify if config file is non-existent:
 	foreach my $section (@{$self->{-section_order}}) {
 		next if $section !~ m!\Apublicinbox\.([^/]+)\z!;
-		$self->{"publicinbox.$1.mainrepo"} or next;
+		defined($self->{"publicinbox.$1.mainrepo"}) or next;
 		my $ibx = lookup_name($self, $1) or next;
 		$cb->($ibx);
 	}