From 3fc57ef26f091ee46536757e05e4da71b944b8cd Mon Sep 17 00:00:00 2001
From: yalh76 <yalh@yahoo.com>
Date: Mon, 30 Dec 2019 20:49:29 +0100
Subject: [PATCH] fix previous_version

---
 scripts/upgrade | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/scripts/upgrade b/scripts/upgrade
index 8fd0731..83c0676 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -90,6 +90,13 @@ fi
 ynh_secure_remove --file="/etc/apt/sources.list.d/erlang-solutions.list"
 apt-key del A14F4FCA
 
+#=================================================
+# CHECK VERSION NUMBER
+#=================================================
+
+abort_if_up_to_date
+# previous function is what defines 'version', more precisely the 'previous version'
+previous_version="${version}"
 
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP