From 9c79307ef972dbd8e188bf58eca43241452288e5 Mon Sep 17 00:00:00 2001
From: William Petit <wpetit@cadoles.com>
Date: Wed, 21 Sep 2022 11:33:58 +0200
Subject: [PATCH] hook: check for null object before introspection

---
 vars/hook.groovy | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/vars/hook.groovy b/vars/hook.groovy
index 0fa6f0d..b5e203a 100644
--- a/vars/hook.groovy
+++ b/vars/hook.groovy
@@ -6,6 +6,11 @@ def call(String name) {
         return
     }
     def hook = load(filepath)
+
+    if (hook == null) {
+        error("Hook '${filepath}' seems to be null. Did you forget to add 'return this' at the end of the script ?")
+    }
+
     if (hook.metaClass.respondsTo(hook, 'exec')) {
         hook.exec()
     } else {