#!/bin/bash

# args: $1 base Dockerfile, $2 optional tags file

set -e

usage () {
  echo Usage: ./build_base.sh [-h, --help]
  echo
  echo Builds the taler_local/taler_base base image,
  echo using the buildconfig/tags.sh, a bash file containing environment
  echo variables definitions to specify to which Git tag each Taler
  echo component should be pulled.
}

for helpOpt in "-h" "--help"; do
  if test "$helpOpt" = "${1:-}"; then
    usage
    exit 0
  fi
done

if ! which realpath > /dev/null; then
  echo "Please install 'realpath' (coreutils)"
fi

DOCKER_FILE="images/base/Dockerfile"

if [[ ! -e $DOCKER_FILE ]]; then
  echo Base Dockerfile: $DOCKER_FILE not found.
  exit 1
fi

# Allows extra features to conditionally copy files
# from the host during the build.  That solves the
# case where the tag file is not given.
export DOCKER_BUILDKIT=1

exec docker build --no-cache \
  -t taler_local/taler_base \
  -f $DOCKER_FILE .