env-vars

verify_env () {
name=$1
eval "val=\"\${$name}\"" 
if [ -z $val ]
then
    echo "\n" No $1 set, please set to your token to use this script
    ERROR=1
else 
    if [ $2. = "secret." ]
    then
    echo $name " (secret - hidden)"
    else
    echo $name " $val"
    fi
fi

}

echo "Environment vars:"

verify_env "DOCKER_USER" 
verify_env "DOCKER_PW"  secret

PWD=`pwd`
export CONTAINER_BASE=`basename $PWD`
verify_env "CONTAINER_BASE"
export REVISION=$(git rev-parse --short HEAD)
verify_env "REVISION"
export FULL_CONTAINER_SPEC=$DOCKER_USER/$CONTAINER_BASE:$REVISION
verify_env "FULL_CONTAINER_SPEC"

if [ -z $ERROR ]
then
echo $0 "OK"
else
echo $0 "Some Environment Variables Missing, see log."
exit 
fi