#!/bin/sh
# -*- mode: sh; fill-column: 75; tab-width: 8; coding: utf-8-unix -*-

[ -z "$TERM" ] && exit 0
[ -z "$prog" ] && prog=`basename $0 .bash`
[ -z "$USER" ] && USER=$( id -un )
[ -z "$DEBUG" ] && DEBUG=0

if [ -n "$TERM" ] ; then
    # vars that can be used to change font color
    blue=$(tput setaf 6)
    cyan=$(tput setaf 5)
    green=$(tput setaf 2)
    yellow=$(tput setaf 3)
    red=$(tput setaf 1)
    normal=$(tput sgr0) # default color
else
    blue=
    cyan=
    green=
    yellow=
    red=
    normal=
fi

FATL () {
    local code=0
    [ $# -eq 1 ] && code=1
    [ $# -gt 1 ] && code=$1 && shift
    echo ${red}FATL:${normal} $*
    exit $code
}
ftal () { FATL >&2 "$@" ; }
panic () { FATL >&2 "$@" ; }
PANIC () { FATL >&2 "$@" ; }

ERROR () {
    echo ${red}EROR:${normal} $*
    return 0
}
error () { ERROR >&2  $* ; }

WARN () {
    echo ${yellow}WARN:${normal} $*
    return 0

}
warn () { WARN >&2  $* ; }

USAGE () {
    echo ${yellow}USAGE:${normal} $*
    return 0

}
usage () { USAGE >&2 $* ; }

INFO () {
    echo ${green}INFO:${normal} $*
    return 0
}
info () { INFO >&2 $* ; }

DBUG () {
    [ -z "$DEBUG" ] || [ "$DEBUG" = 0 ] || echo ${blue}DBUG:${normal} $*
    return 0
}
dbug () { DBUG >&2 $* ; }
debug () { [ "$DEBUG" = "1" ] && echo >&2 ${cyan}DBUG:${normal} $* ; return 0 ; }

usage () {
    echo ${yellow}USAGE:${normal} $*
    return 0

}
USAGE () { usage $* ; }

ols_are_we_connected () { route | grep -q ^default ; return $? ; }