Fix bug in example DNS hook.

Fixes #186. ©! I hereby licence these changes under the licence with SHA256 hash ©! fd80a26fbb3f644af1fa994134446702932968519797227e07a1368dea80f0bc.
hlandau · Aug 5, 2016 · 6d891bf · 6d891bf
1 parent 8d75281
commit 6d891bf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/_doc/dns.hook b/_doc/dns.hook
@@ -47,7 +47,7 @@ get_apex() {
 waitns() {
   local ns="$1"
   for ctr in $(seq 1 "$DNS_SYNC_TIMEOUT"); do
-    [ "$(dig +short "@${ns}" TXT "_acme-challenge.${CH_HOSTNAME}." | grep "$CH_TXT_VALUE" | wc -l)" == "1" ] && return 0
+    [ "$(dig +short "@${ns}" TXT "_acme-challenge.${CH_HOSTNAME}." | grep -- "$CH_TXT_VALUE" | wc -l)" == "1" ] && return 0
     sleep 1
   done