Prevent failures on non-debian.org hosts

diff --git a/dsa-nagios-checks/checks/dsa-check-mirrorsync b/dsa-nagios-checks/checks/dsa-check-mirrorsync
index b869116..f3bf783 100755 (executable)
--- a/dsa-nagios-checks/checks/dsa-check-mirrorsync
+++ b/dsa-nagios-checks/checks/dsa-check-mirrorsync
@@ -53,7 +53,8 @@ sub usage($$) {
 };
 
 # Work around LWP not being able to verify service certs directly
-$ENV{'HTTPS_CA_DIR'} = '/etc/ssl/ca-debian';
+my $ca_dir = '/etc/ssl/ca-debian';
+$ENV{'HTTPS_CA_DIR'} = $ca_dir if -d $ca_dir;
 
 $ENV{'PATH'} = '/bin:/sbin:/usr/bin:/usr/sbin';
 delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};