From 1f39b0f568021a771044b5d471e258e3a4417883 Mon Sep 17 00:00:00 2001
From: Felipe Santos <felipecassiors@gmail.com>
Date: Wed, 29 Jul 2020 20:19:32 +0000
Subject: [PATCH] Add fail on function

---
 mo | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/mo b/mo
index 1ae7707..c758775 100755
--- a/mo
+++ b/mo
@@ -155,7 +155,7 @@ mo() (
 #
 # Returns nothing.
 moCallFunction() {
-    local moArgs moFunctionArgs
+    local moArgs moFunctionArgs moFunctionResult
 
     moArgs=()
     moTrimWhitespace moFunctionArgs "$3"
@@ -166,6 +166,12 @@ moCallFunction() {
     fi
 
     echo -n "$2" | MO_FUNCTION_ARGS="$moFunctionArgs" eval "$1" "$moArgs"
+    moFunctionResult=$?
+
+    if [[ -n "${MO_FAIL_ON_FUNCTION-}" && "$moFunctionResult" != 0 ]]; then
+        echo "Function '$1' with args '${moArgs@}' failed with status code $moFunctionResult"
+        exit $moFunctionResult
+    fi
 }