#!/bin/bash

BUILD_ROOT=`(cd $(dirname $0)/.. && pwd)`
export BUILD_ROOT

umask 022

##
## Support libraries
##
. ${BUILD_ROOT}/build/lib/common.sh
. ${BUILD_ROOT}/build/lib/mkcomp-helper.sh
. ${BUILD_ROOT}/build/lib/VARS

## Check if we have any overrides
function setup_build_vars
{
    local _upcomp=$(echo $1 | tr "[a-z]" "[A-Z]")

    ##
    ## Autoconf paths picked up by the components
    ##
    export PRODUCTNAME="likewise"

    # Overridable variables
    INITDIR="/etc/init.d"
    PREFIXDIR="/opt/${PRODUCTNAME}"
    LIBEXECDIR="${PREFIXDIR}/bin"
    LOCALSTATEDIR="/var/lib/${PRODUCTNAME}"
    STAGE_DIR="${BUILD_ROOT}/staging"
    STAGE_COMP_DIR="${STAGE_DIR}/components"
    STAGE_INSTALL_DIR="${STAGE_DIR}/install-root"
    SYSCONFDIR="/etc/${PRODUCTNAME}"

    for _variable in PREFIXDIR SYSCONFDIR INITDIR LOCALSTATEDIR LIBEXECDIR STAGE_INSTALL_DIR; do
        eval "if [ -n \"\${BUILD_${_variable}}\" ]; then export ${_variable}=\${BUILD_${_variable}}; fi"
        eval "if [ -n \"\${BUILD_${_upcomp}_${_variable}}\" ]; then export ${_variable}=\${BUILD_${_upcomp}_${_variable}}; fi"
        if [ -n "${BUILD_VERBOSE}" ]; then
            eval "echo ${_variable}=\${${_variable}}"
        fi
    done
}

function build_component
{
    echo "Running configure stage"
    component_configure
    exit_on_error $?

    echo "Running build stage"
    component_build
    exit_on_error $?

    echo "Running install stage"
    if [ ! -d ${STAGE_INSTALL_DIR} ]; then
	mkdir -p ${STAGE_INSTALL_DIR}
	exit_on_error $?
    fi
    component_install
    exit_on_error $?
}


#############################################################
## Main Driver
##
function main 
{
    local _COMP_NAME="$1"
    local _COMP_FILE="${BUILD_ROOT}/build/components/${_COMP_NAME}.comp"

    if [ ! -f ${_COMP_FILE} ]; then
	exit_on_error 1 "Invalid component name (${_COMP_NAME})!  Exiting...."
    fi

    setup_build_vars ${_COMP_NAME}

    ##
    ## This imports the following variables:
    ##   COMP_SOURCES
    ##
    . ${_COMP_FILE}

    cd ${COMP_SOURCES}

    if [ -n "${ENABLE_CLEAN}" ]; then
	git clean -dxf .
    fi

    echo "Building ${_COMP_NAME} component..."
    time_command "${_COMP_NAME}" build_component
    exit_on_error $?

    ## HACK ALERT -- remove libtool files
    # find ${STAGE_INSTALL_DIR} -name "*.la" -exec /bin/rm {} \;
}

main "$@"
exit 0