#!/sbin/runscript

depend() {
    before xdm
}

# Credit to David Leverton for this function which handily maps a bash array
# structure to positional parameters so existing configs work :)
# We'll deprecate arrays at some point though.
_get_array() {
    if [ -n "${BASH}" ] ; then
		case "$(declare -p "$1" 2>/dev/null)" in
	    	"declare -a "*)
	    	echo "set -- \"\${$1[@]}\""
	    	return
	    	;;
		esac
    fi

    echo "eval set -- \"\$$1\""
}

checkconfig() {
    if [ -z "${replace}" ]; then
        eerror "You need to have at least one resolution to replace"
        eerror "/etc/conf.d/915resolution"
        return 1
    fi

    # Start with a clean log file
    cat /dev/null > ${log:-/dev/null}

    return 0
}

start() {
    checkconfig || return 1

    ebegin "Patching video BIOS with new video modes"

    retval=0
    first=0
    eval $(_get_array replace)
    for mode in "$@"; do
        # If this is not the first mode, insert a separator in the log
        if [ ${first} -ne 0 ]; then
            echo "" >> ${log:-/dev/null}
            echo "---" >> ${log:-/dev/null}
            echo "" >> ${log:-/dev/null}
        fi

        # Set each mode, and remember the last bad return value if any fail
        915resolution ${mode} >> ${log:-/dev/null} || retval=$?

        first=1
    done

    eend ${retval}
}