Merge branch 'change-lock-cable' into 'master'

# Exit status

# - 0 : Lock file created for cable

# - 101 : CABLES_LOCKED_FOLDER missing

# - 102 : CABLE_COLOR missing

# - 103 : cable already locked

CABLES_LOCKED_FOLDER=$1

CABLE_COLOR=$2

if [ -z $CABLES_LOCKED_FOLDER ]

then

  exit 101

fi

while [ -z ${CABLE} ]

do

  sleep 1

  if [ -f ${CABLES_LOCKED_FOLDER}/blue.lock ] && [ -f ${CABLES_LOCKED_FOLDER}/red.lock ] && [ -f ${CABLES_LOCKED_FOLDER}/green.lock ]

if [ -z $CABLE_COLOR ]

then

    continue

  exit 102

fi

  CABLE=blue

  if [ -f ${CABLES_LOCKED_FOLDER}/red.lock ] && [ ! -f ${CABLES_LOCKED_FOLDER}/green.lock ] 

if [ -f ${CABLES_LOCKED_FOLDER}/${CABLE_COLOR}.lock ]

then

    CABLE=green

  elif [ -f ${CABLES_LOCKED_FOLDER}/blue.lock ] && [ ! -f ${CABLES_LOCKED_FOLDER}/red.lock ] 

  then

    CABLE=red

  exit 103

fi

done

echo ${CABLE}

mkdir -p ${CABLES_LOCKED_FOLDER} && touch ${CABLES_LOCKED_FOLDER}/${CABLE}.lock

mkdir -p ${CABLES_LOCKED_FOLDER} && touch ${CABLES_LOCKED_FOLDER}/${CABLE_COLOR}.lock