source: trunk/debathena/config/auto-update/debian/debathena-auto-update.preinst @ 25005

#!/bin/sh
# preinst script for debathena-auto-update
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <new-preinst> `install'
#        * <new-preinst> `install' <old-version>
#        * <new-preinst> `upgrade' <old-version>
#        * <old-preinst> `abort-upgrade' <new-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package


if dpkg-maintscript-helper supports rm_conffile 2> /dev/null; then
    dpkg-maintscript-helper rm_conffile \
        /etc/cron.d/debathena-auto-update 1.22.2 -- "$@"
else
    # From http://wiki.debian.org/DpkgConffileHandling
    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 "Obsolete conffile $CONFFILE has been modified by you."
            echo "Saving as $CONFFILE.dpkg-bak ..."
            mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
        else
            echo "Removing obsolete conffile $CONFFILE ..."
            mv -f "$CONFFILE" "$CONFFILE".dpkg-del
        fi
    }
    case "$1" in
        install|upgrade)
            if dpkg --compare-versions "$2" le-nl 1.22.2; then
                rm_conffile debathena-auto-update "/etc/cron.d/debathena-auto-update"
            fi
    esac
fi

case "$1" in
    install|upgrade)
    ;;

    abort-upgrade)
    ;;

    *)
        echo "preinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0