#!/bin/sh
#
# Allows a task to be enabled or disabled if tasksel is running inside a
# debconf instance, as in the first stage Debian install.
#
# To enable this test insert your tasks stanza a keyword like:
#
# Test-debconf: false
#
# This will cause the task to be available only if tasksel is not running
# in debconf.

have_terminal_plugin () {
	db_capb backup
	set -- $RET
	for cap; do
		if [ "$cap" = plugin-terminal ]; then
			return 0
		fi
	done
	return 1
}

if [ "$DEBIAN_HAS_FRONTEND" ] || [ "$DEBCONF_READFD" ]; then
	# Avoid starting debconf unless it is already running.
	. /usr/share/debconf/confmodule
	if have_terminal_plugin; then
		running_in_debconf=false # at least, we can pretend we aren't
	else
		running_in_debconf=true
	fi
else
	running_in_debconf=false
fi

if [ "$2" = "$running_in_debconf" ]; then
	exit 3 # display task, not marked for installation
fi
exit 1 # do not display task