Deploy script for phoenix project

deploy.sh

#!/bin/bash
export PROJECT=stats
export RELEASE=${PROJECT}.tar.gz

PROG_NAME=$(basename $0)

while getopts :s:v: OPTION
do
  case ${OPTION} in
      s) TARGET=${OPTARG};;
      v) VERSION=${OPTARG};;
      \?) echo "Modo de uso: ${PROG_NAME} [ -s server -v version ]"
         exit 1;;
      :)
        echo "Opción -${OPTARG} requiere un argumento." >&2
        exit 1
        ;;
   esac
done

if [ "${TARGET}" == '' ]; then
  echo "Ingresa el servidor destino (ej. ${PROJECT}01):";
  read TARGET
fi

if [ "${VERSION}" == '' ]; then
  echo "Ingresa la versión a desplegar (ej. 0.0.1):";
  read VERSION
fi

echo "Subiendo versión ${VERSION} al servidor ${TARGET}";
scp rel/${PROJECT}/releases/$VERSION/$RELEASE $TARGET:/tmp

export DEPLOY_PATH=/var/www/${PROJECT}/releases/${VERSION}/
ssh -t $TARGET "
  sudo -u www-data mkdir -p $DEPLOY_PATH &&
  sudo chown www-data:www-data /tmp/$RELEASE &&
  sudo -u www-data mv /tmp/$RELEASE $DEPLOY_PATH;
";

echo "El release ${VERSION} se ha enviado a ${TARGET}";