From 7a0aa851a69c3073b437b056afc981c5b824a10e Mon Sep 17 00:00:00 2001
From: Kayou <pierre@kayou.io>
Date: Thu, 26 Nov 2020 11:00:24 +0100
Subject: [PATCH] Keep helpers consistent

---
 data/helpers.d/utils | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/data/helpers.d/utils b/data/helpers.d/utils
index 75347cc7c..3ab56747e 100644
--- a/data/helpers.d/utils
+++ b/data/helpers.d/utils
@@ -576,9 +576,10 @@ ynh_app_upstream_version () {
     # Declare an array to define the options of this helper.
     local legacy_args=m
     local -A args_array=( [m]=manifest= )
-    local manifest=""
+    local manifest
     # Manage arguments with getopts
     ynh_handle_getopts_args "$@"
+    manifest="${manifest:-}"
 
     if [[ "$manifest" != "" ]] && [[ -e "$manifest" ]];
     then