TLS keys: Cope if archive-query-tls-key unset

diff --git a/dgit b/dgit
index 1aea272c413a246eaad93ae1672dee4a3253254e..4986dd081e35142222cd1152d9e18eababd5c763 100755 (executable)
--- a/dgit
+++ b/dgit
@@ -706,7 +706,7 @@ sub archive_api_query_cmd ($) {
     my $url = access_cfg('archive-query-url');
     if ($url =~ m#^https://([-.0-9a-z]+)/#) {
        my $host = $1;
-       my $keys = access_cfg('archive-query-tls-key','RETURN-UNDEF');
+       my $keys = access_cfg('archive-query-tls-key','RETURN-UNDEF') //'';
        foreach my $key (split /\:/, $keys) {
            $key =~ s/\%HOST\%/$host/g;
            if (!stat $key) {