Import Debian version 2.20+parrot1

apt-parrot (2.20+parrot1) testing; urgency=medium

  * Make update noninteractive.

debian/changelog

+apt-parrot (2.20+parrot1) testing; urgency=medium
+
+  * Make update noninteractive.
+
+ -- Lorenzo "Palinuro" Faletra <palinuro@parrotsec.org>  Sat, 30 Mar 2019 02:58:54 +0100
+
 apt-parrot (2.19+parrot1) testing; urgency=medium
 
   * Improve apt wrapper.

parrot-upgrade

 #!/bin/bash
 set -e
-DEBIAN_FRONTEND=noninteractive
+DEBIAN_FRONTEND="noninteractive"
+DEBIAN_PRIORITY="critical"
+DEBCONF_NOWARNINGS="yes"
+export DEBIAN_FRONTEND DEBIAN_PRIORITY DEBCONF_NOWARNINGS
 apt update || echo failed to update index lists
 dpkg --configure -a || echo failed to fix interrupted upgrades
 apt --fix-broken --fix-missing install || echo failed to fix conflicts