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#!/bin/bash
#
# Show obsolete package information in the current system
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this program.  If not, see
# <http://www.gnu.org/licenses/>.

OBSOLETE="`apt-show-versions | grep 'No available version' | cut -d : -f 1`"

if [ ! -z "$OBSOLETE" ]; then
  echo "Obsolete packages: $OBSOLETE"
fi

if which debsecan &> /dev/null; then
  VULNS="`debsecan | grep obsolete | cut -d ' ' -f 2 | uniq`"

  if [ ! -z "$VULNS" ]; then
    echo "Obsolete packages with known vulnerabilities: $VULNS"
  fi
fi