build/packages/extras-buildpkgs/hostapd-realtek/debian/hostapd-realtek.preinst

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#!/bin/sh
set -e
rm_conffile() {
local PKGNAME="$1"
local CONFFILE="$2"
[ -e "$CONFFILE" ] || return 0
local md5sum="$(md5sum $CONFFILE | sed -e 's/ .*//')"
local old_md5sum="$(dpkg-query -W -f='${Conffiles}' $PKGNAME | \
sed -n -e "\' $CONFFILE ' { s/ obsolete$//; s/.* //; p }")"
if [ "$md5sum" = "$old_md5sum" ]; then
echo "Removing obsolete conffile $CONFFILE ..."
rm -f "$CONFFILE"
fi
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" le "1:0.6.9-3"; then
rm_conffile hostapd /etc/hostapd/hostapd.conf
fi
;;
esac
#DEBHELPER#
exit 0