From a177ed774e35067199387a040d5d7dd78cc8bfee Mon Sep 17 00:00:00 2001
From: Christoph <ckubu@oopen.de>
Date: Tue, 2 Feb 2021 14:29:54 +0100
Subject: [PATCH] os-upgrade.sh: for batch mode add 'export
 DEBIAN_FRONTEND=noninteractive'.

---
 os-upgrade.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/os-upgrade.sh b/os-upgrade.sh
index 476ff7a..62e8a6f 100755
--- a/os-upgrade.sh
+++ b/os-upgrade.sh
@@ -15,6 +15,8 @@ backup_date=$(date +%Y-%m-%d-%H%M)
 # --- Some Variables
 # =============
 
+export DEBIAN_FRONTEND=noninteractive
+
 removed_packages_log="/var/log/removed-debian-packages.log"
 updated_packages_log="/var/log/updated-debian-packages.log"
 
@@ -194,7 +196,7 @@ fi
 
 echononl "\033[32m\033[1mResynchronize the package index files\033[m"
 echo_print_command "apt-get update"
-apt-get update > $log_file 2>&1
+apt-get -y update > $log_file 2>&1
 if [[ $? -gt 0 ]]; then
    echo_failed
    fatal "$(cat $log_file)"