build.sh

#!/usr/bin/env bash

set -eu

HERE="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd -P )"

. "$HERE/version.sh"

# The only allowed arguments are the optional version string (no flag) and the
# flag to just print the Docker image names.
# Note that because VERSION is exported in version.sh, its value will be propagated
# to the subsequent build.sh script invocations.
print_docker_image_names=false
while [[ $# -gt 0 ]]
do
  case $1 in
    -h|--h*)
      echo "usage: $0 [-h|--help] [--print-docker-image] [VERSION]"
      exit 0
      ;;
    --print-docker-image*)
      print_docker_image_names=true
      ;;
    -*)
      echo "ERROR: $0: Unrecognized argument $1"
      exit 1
      ;;
    *)
     VERSION=$1
     ;;
  esac
  shift
done

cd "$HERE"

if $print_docker_image_names
then
  sbt -no-colors "set version in ThisBuild := \"$VERSION\""  "show docker::imageNames" |  grep -e 'lightbend/[^)]*' --only-matching
  exit $?
fi

echo "$0: Using version $VERSION"

sbt -no-colors "set version in ThisBuild := \"$VERSION\"" "show version" clean package dockerBuildAndPush

echo "$PWD: built package and docker image(s). Pushed the docker image(s)."