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#!/bin/sh
# prerm script for open-iscsi

. /usr/share/debconf/confmodule
set -e

case "$1" in
    remove)
        if ls -d /sys/class/iscsi_session/session* >/dev/null 2>&1 ; then
            # There are still active iSCSI sessions. Ask the user
            # if they know what they are doing.
            db_reset open-iscsi/remove_even_with_active_sessions || true
            db_input critical open-iscsi/remove_even_with_active_sessions || true
            db_go
            db_get open-iscsi/remove_even_with_active_sessions
            if [ "$RET" = "false" ] ; then
                echo "Aborting prerm due to user request." >&2
                exit 1
            fi
        fi

        sync
        # If there are still active and mounted iSCSI sessions,
        # open-iscsi stop may fail. But we did warn the user...
        invoke-rc.d open-iscsi stop || true
        invoke-rc.d iscsid stop || exit $?
    ;;
    
    upgrade)
        if dpkg --compare-versions "$2" le "2.0.873+git0.3b4b4500-9"; then
            # The user is attempting to downgrade, ask them if they
            # really want to do this.
            db_reset open-iscsi/downgrade_and_break_system || true
            db_input critical open-iscsi/downgrade_and_break_system || true
            db_go
            db_get open-iscsi/downgrade_and_break_system
            if [ "$RET" = "false" ] ; then
                echo "Aborting prerm due to user request." >&2
                exit 1
            fi
        fi
    ;;

    deconfigure)
    ;;

    failed-upgrade)
    ;;

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

# Automatically added by dh_installdeb/12.10ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init.d/umountiscsi.sh 2.0.873+git0.3b4b4500-9 -- "$@"
# End automatically added section


exit 0