#
# $Id: install.in,v 1.23 2004/05/13 18:24:36 jmmv Exp $
# Generic install functions.
#
# buildtool
# Copyright (c) 2003, 2004 Julio M. Merino Vidal.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name of the author nor the names of contributors may
#    be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

btown_install_parse_args() {
    local group mode owner

    group="${1}"; mode="${2}"; owner="${3}"; shift 3

    while [ $# -gt 0 ]; do
        case ${1} in
            -g)
                group=${2}; shift
                ;;
            -m)
                mode=${2}; shift
                ;;
            -o)
                owner=${2}; shift
                ;;
            *)
                if echo ${1} | grep '^-' >/dev/null; then
                    btcmn_err "install: unknown option \`${1}'"
                else
                    break
                fi
                ;;
        esac
        shift
    done

    echo ${group} ${mode} ${owner} $*
}

btown_install_files() {
    local dir f msg srcs target

    msg=${1}; shift

    if [ $# -eq 2 ]; then
        if [ -d ${BT_DESTDIR}${2} ]; then
            target=${BT_DESTDIR}${2}/${1##*/}
        else
            target=${BT_DESTDIR}${2}
        fi
        echo "[install] installing ${msg} file ${target}"
        cp -f ${1} ${target} || bt_die
        chmod ${mode} ${target} || bt_die
        if [ ${owner} != DEFAULT ]; then
            chown ${owner} ${target} || bt_die
        fi
        if [ ${group} != DEFAULT ]; then
            chgrp ${group} ${target} || bt_die
        fi
    else
        srcs=
        while [ $# -gt 1 ]; do
            srcs+=${1}
            shift
        done
        dir="${BT_DESTDIR}${1}"

        [ ! -d "${dir}" ] && \
            btcmn_err "install: last argument must be a directory"

        for f in ${srcs}; do
            target=${dir}/${f##*/}
            echo "[install] installing ${msg} file ${target}"
            cp -f ${f} ${target} || bt_die
            chmod ${mode} ${target} || bt_die
            if [ ${owner} != DEFAULT ]; then
                chown ${owner} ${target} || bt_die
            fi
            if [ ${group} != DEFAULT ]; then
                chgrp ${group} ${target} || bt_die
            fi
        done
    fi
}

bt_install_bin() {
    local group mode owner

    set -- $(btown_install_parse_args ${BT_BIN_GROUP} ${BT_BIN_MODE} \
        ${BT_BIN_OWNER} $*)

    group="${1}"; mode="${2}"; owner="${3}"; shift 3

    btown_install_files binary $*
}

bt_install_data() {
    local group mode owner

    set -- $(btown_install_parse_args ${BT_DATA_GROUP} ${BT_DATA_MODE} \
        ${BT_DATA_OWNER} $*)

    group="${1}"; mode="${2}"; owner="${3}"; shift 3

    btown_install_files data $*
}

bt_install_dir() {
    local dir group mode owner

    set -- $(btown_install_parse_args ${BT_DIR_GROUP} ${BT_DIR_MODE} \
        ${BT_DIR_OWNER} $*)

    group="${1}"; mode="${2}"; owner="${3}"; shift 3

    while [ $# -gt 0 ]; do
        dir=${BT_DESTDIR}${1}
        if [ ! -d ${dir} ]; then
            echo "[install] creating missing directory ${dir}"
            mkdir -p ${dir} || bt_die
            chmod ${mode} ${dir} || bt_die
            if [ ${owner} != DEFAULT ]; then
                chown ${owner} ${dir} || bt_die
            fi
            if [ ${group} != DEFAULT ]; then
                chgrp ${group} ${dir} || bt_die
            fi
        fi
        shift
    done
}

bt_install_symlink() {
    bt_exec ln -fs $* || bt_die
}

# Local Variables: ***
# mode: shell-script ***
# End: ***
# vim: syntax=sh