#!/bin/bash

# Determine if it is Mac OS and switch to use gxargs instead
CMD=xargs
if [ $(which system_profiler) ]; then
  CMD=gxargs
fi

# Bring in the variables from SOLUTION file, supporting
# nested substitution
. SOLUTION
. MANIFEST

export $(sed -nE "s,(^[^#][^=]*).*$,\1,pg" SOLUTION | ${CMD} -d '\n')
export $(sed -nE "s,(^[^#][^=]*).*$,\1,pg" MANIFEST | ${CMD} -d '\n')

RELEASE_INFO=${RELEASE_INFO:-N/A}
[[ "${RELEASE_INFO}" == "N/A" ]] && {
  TAG=${TAG:-test-build-${OS_DISTRO}-${PACKAGE_STREAM}-$(date +%Y%m%d)}
} || {
  TAG=${TAG:-test-${OS_DISTRO}-${PACKAGE_STREAM}-${RELEASE_INFO}}
}

case "${OS_DISTRO}" in
  rhel)
    SOLUTION_SUFFIX=".rhel-8.0"
    ;;
  ubuntu)
    SOLUTION_SUFFIX=""
    ;;
  *)
    SOLUTION_SUFFIX=".${OS_DISTRO}-${OS_RELEASE}"
    [[ -d "templates/${OS_DISTRO}" ]] || {
      echo "Unrecognized OS_DISTRO: '${OS_DISTRO}'"
      exit -1
    }
    [[ ! -e "Dockerfile.solution.${SOLUTION_SUFFIX}" ]] && {
      SOLUTION_SUFFIX=""
    }
    ;;
esac

[[ ! -e "Dockerfile${SOLUTION_SUFFIX}" ]] && {
  cat << EOF
'${OS_DISTRO}' set as OS_DISTRO, but Dockerfile${SOLUTION_SUFFIX} does$

Using Dockerfile instead.
EOF

  SOLUTION_SUFFIX=""
}

export DOCKERFILE="Dockerfile${SOLUTION_SUFFIX}"
export SOLUTION="Dockerfile.solution${SOLUTION_SUFFIX}"

echo "Building '${SOLUTION}' image from '${DOCKERFILE}'"


docker build -t ${CONTAINER}:${TAG} -f ${DOCKERFILE} . $* || {
cat << EOM

Building docker image from ${DOCKERFILE} failed.

EOM
  exit -1
}

docker tag ${CONTAINER}:${TAG} ${CONTAINER} || {
  echo "Unable to tag docker image"
  exit -1
}

cat << EOM

${DOCKERFILE} was built and locally tagged as ${CONTAINER}:${TAG}

See 'scripts/push-image.sh' for information on pushing this tag to Harbor.

EOM