#!/bin/bash

#

# CDDL HEADER START

#

# The contents of this file are subject to the terms of the

# Common Development and Distribution License (the "License").

# You may not use this file except in compliance with the License.

#

# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

# or http://www.opensolaris.org/os/licensing.

# See the License for the specific language governing permissions

# and limitations under the License.

#

# When distributing Covered Code, include this CDDL HEADER in each

# file and include the License file at usr/src/OPENSOLARIS.LICENSE.

# If applicable, add the following below this CDDL HEADER, with the

# fields enclosed by brackets "[]" replaced with your own identifying

# information: Portions Copyright [yyyy] [name of copyright owner]

#

# CDDL HEADER END

#

#

# Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

#

. /lib/svc/share/smf_include.sh

PATH=/usr/bin

TEXINFO_DATA_DIR="/var/info"

function readlink() {

	while getopts f name; do

		case $name in

			f) follow=1 ;;

		esac

	done

	shift $((OPTIND - 1))

	if (( follow )); then

		python -ESc "import os; print os.path.realpath('$1')"

	else    

		python -ESc "import os; print os.readlink('$1')"

        fi

}

function populate_texinfo_directory() {

	directory=$(dirname $1)

	dir_file=$(readlink -f $1)

	[[ ${dir_file} -ot ${directory} ]] || return

	case "${dir_file}" in

	/var/info/*)	# Only process if the link resolves inside /var/info.

		echo "populating ${dir_file} from ${directory}"

		rm -f ${dir_file}.new

		for info_file in $(find ${directory} -type f | \

				   egrep -v -e '-[0-9]+$') ; do

			install-info --dir-file=${dir_file}.new \

				--info-file=${info_file}

		done

		owner_group='root:bin'	# default owner/group

		if [[ -f ${dir_file} ]] ; then

			# get owner/group from original file

			group_bin=$(ls -l ${dir_file} | \

				    awk '{print $3":"$4}')

		fi

		if [[ -f ${dir_file}.new ]] ; then

			# new dir file created, replace the original one

			mv -f ${dir_file}.new ${dir_file}

			chmod -f 0644 ${dir_file}

			chown -f ${owner_group} ${dir_file}

			ln -s ${1} ${dir_file}.backlink 2>/dev/null

		else

			# no dir file created (no input files installed)

			rm -f ${dir_file} ${dir_file}.backlink

		fi

		;;

	esac

}

### Begin Here ###

case "$1" in

'start'|'refresh')

	# refresh texinfo directories

	for dir_link in $(pkg search -H -l -o path ':link:path:*/info/dir' | \

			  sort -u) ; do

		populate_texinfo_directory /${dir_link}

	done

	# remove any unreferenced directories

	for link in $(find ${TEXINFO_DATA_DIR} -type l -name '*.backlink') ; do

		path=$(readlink ${link})

		if [[ ! -L ${path} ]] ; then

			file=${link%.backlink}

			echo -n "removing unreferenced texinfo directory: "

			echo "${file} ${link}"

			rm -f ${file} ${link}

		fi

	done

	;;

*)

	echo "Usage: $0 (start|refresh)"

	exit 1

	;;

esac

exit $SMF_EXIT_OK