init_functions


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# This file contains common functions used in init and in hooks

msg () {
    [ "${quiet}" != "y" ] && echo $@
}
err () {
    echo "ERROR: $@"
}

poll_device() {
    device="$1"
    if [ "$2" -gt 0 ]; then
        seconds="$2"
    else
        seconds=5
    fi
    echo "Waiting ${seconds} seconds for device ${device} ..."
    while [ ! -b "${device}" -a ! -h "${device}" -a ${seconds} -gt 0 ]; do
        sleep 1
        seconds=$((${seconds}-1))
    done
    [ -b "${device}" -o -h "${device}" ]
}

launch_interactive_shell() {
    PS1='[ramfs \W]\$ '
    [ "$1" = "--exec" ] && exec /bin/sh -i
    /bin/sh -i
}