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#!/bin/sh
set -e
action=$1
version=$2
DEFAULTSFILE="/etc/default/ferm"
BACKUPDEFAULTSFILE="${DEFAULTSFILE}.bak"
# sha256 hashes of $DEFAULTSFILE in ferm 2.5.1-4,↲
# with ENABLE="yes" and ENABLE="no"↲
DEFAULTSFILEHASHES="
64c84ccb16e984935c05dec6fa8d6b424b4f83735a9c53430a4ba34c5eb3074d
96affdfb381229de75cacb94412580df3938ad5f1e87ae1d004ab303630cd571
"
if [ "${action}" = "upgrade" ]; then
# remove old cache files
rm -f /var/cache/ferm/*.sh /var/cache/ferm/*.tmp
# ferm 2.5.1-4 and earlier managed their defaultsfile in the
# maintainer script. Move old defaultsfile away if unchanged
if dpkg --compare-versions "${version}" le-nl "2.5.1-4"; then
if [ -e "${DEFAULTSFILE}" ]; then
CURRENT_HASH="$(sha256sum "${DEFAULTSFILE}" | cut -d ' ' -f 1)"
if printf "%s\n" "${DEFAULTSFILEHASHES}" | grep --quiet --line-regexp --fixed-strings "${CURRENT_HASH}"; then
if [ -e "${BACKUPDEFAULTSFILE}" ]; then
TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
mv "${BACKUPDEFAULTSFILE}" "${BACKUPDEFAULTSFILE}.${TIMESTAMP}"
fi
mv "${DEFAULTSFILE}" "${DEFAULTSFILE}.bak"
fi
fi
fi
fi
#DEBHELPER#
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