The example hook script uses bash test regex

Use bash explictly as done for the main script.

Signed-off-by: Simon Deziel <simon.deziel@gmail.com>

diff --git a/docs/examples/hook.sh b/docs/examples/hook.sh
index b7bd8361abd132443859dcb01f5652f8debb1226..18233722241732417007c3c8acd35e9db825fdea 100755 (executable)
--- a/docs/examples/hook.sh
+++ b/docs/examples/hook.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 deploy_challenge() {
     local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"