From b9dc371a1c87ab0504e25a8a0cab87109190197a Mon Sep 17 00:00:00 2001
From: Florent <florent.git@zeteo.me>
Date: Thu, 2 Feb 2023 16:33:01 +0100
Subject: [PATCH] Fixes $app unbound when running ynh_secure_remove

Fixes this issue: https://github.com/YunoHost/issues/issues/2138
---
 helpers/utils | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/helpers/utils b/helpers/utils
index bc83888e9..cd3b1b8d2 100644
--- a/helpers/utils
+++ b/helpers/utils
@@ -718,7 +718,7 @@ _acceptable_path_to_delete() {
     local forbidden_paths=$(ls -d / /* /{var,home,usr}/* /etc/{default,sudoers.d,yunohost,cron*})
 
     # Legacy : A couple apps still have data in /home/$app ...
-    if [[ -n "$app" ]]
+    if [[ -n "${app:-}" ]]
     then
         forbidden_paths=$(echo "$forbidden_paths" | grep -v "/home/$app")
     fi