From 2751e66f9bc407eecfcd506a2d43218f6a183684 Mon Sep 17 00:00:00 2001
From: Michael Prokop <mika@grml.org>
Date: Tue, 8 Apr 2014 19:31:29 +0200
Subject: [PATCH 1/1] Execute apt upgrade with DEBIAN_FRONTEND environment
 variable

Noticed via recent libssl1.0.0 upgrade that the
DEBIAN_FRONTEND usage is missing in the $APTUPGRADE
command line.
---
 chroot-script | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chroot-script b/chroot-script
index bbc91f0..b0d0c52 100755
--- a/chroot-script
+++ b/chroot-script
@@ -223,7 +223,7 @@ upgrade_system() {
   if [ "$UPGRADE_SYSTEM" = "yes" ] ; then
     echo "Running update + upgrade"
     $APTUPDATE
-    $APTUPGRADE
+    DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTUPGRADE
   else
     echo "Not running update + upgrade as \$UPDATE_AND_UPGRADE is not set to 'yes'."
   fi
-- 
2.1.4