#!/bin/sh

set -e

CONFFILE=/etc/cryptsetup-initramfs/conf-hook
CONF_HOOK_CONTENTS=@@CONF_HOOK_CONTENTS@@

if [ "$1" = "install" -o "$1" = "upgrade" ] &&
    [ -f "$CONFFILE" ] &&
    dpkg --compare-versions -- "${2-}" le '2:2.0.3-1~'; then
    md5sum="$(md5sum "$CONFFILE" | sed -e 's/ .*//')"
    old_md5sum="$(dpkg-query -W -f='${Conffiles}' cryptsetup | \
        sed -n -e "\'^ $CONFFILE ' { s/ obsolete$//; s/.* //; p }")"
    if [ "$md5sum" = "$old_md5sum" ]; then
        printf '%s\n' "$CONF_HOOK_CONTENTS" >"$CONFFILE.dpkg-new"
        mv -f "$CONFFILE.dpkg-new" "$CONFFILE"
    fi
fi

#DEBHELPER#