Cross Reference: /solaris-userland/components/texinfo/svc-texinfo-update

#!/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, 2012, 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')
    if [[ "$1" = 'start' ]]; then
        if [[ ! -f "/.SELF-ASSEMBLY-REQUIRED" ]]; then
            exit $SMF_EXIT_OK
        fi
    fi

    # refresh texinfo directories
    for dir_link in $(pkg search -H -l -o path ':link:path:*/info/dir' | \
              sort -u) ; do
        # test the directory is writable
        if [[ ! -w /${dir_link} ]]; then
            echo $SMF_EXIT_OK
        else
            populate_texinfo_directory /${dir_link}

        fi
    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