RED='\033[0;31m'
GREEN='\033[0;32m'
ORGANGE='\033[0;33m'
BLUE='\033[0;34m'
LGRAY='\033[0;37m'

NC='\033[0m'

requiredir() {
 [ -n "$1" ] || exit 1
 [ -e $1 ] || mkdir $1
}

eexit() {
 eerr "$1"
 exit 1
}

checkstage() {
 [ -e ${WORKDIR}/stage/_$1 ] || return 1
 [ "$(cat $WORKDIR/stage/_$1)" != "done" ] && return 2
 return 0
}

startstage() {
 requiredir ${WORKDIR}/stage
 echo -n "started" > ${WORKDIR}/stage/_$1
}

endstage() {
 echo -n "done" > ${WORKDIR}/stage/_$1
}

eok() {
 echo -e "${GREEN}[++] $1${NC}"
}

einfo() {
 echo -e "${BLUE}[ii] ${1}${NC}"
}

eerr(){
 echo -e "${RED}[--] ${1}${NC}"
}