start

#!/bin/bash -e

source ${HOME}/etc/sdk
source ${HOME}/etc/helpers

# If the /tmp/src is empty, then print usage and exit.
(dir_is_empty /tmp/src) && print_usage_and_exit

# If the directory with sources contain '.sti' folder, then look for the
# prepare/run/etc. scripts there and replace the 'base' image scripts.
#
(! dir_is_empty /tmp/src/.sti ) && copy_assemble_scripts

while getopts “h:s:d” opt; do
  case $opt in
    h)
      print_usage_and_exit
      ;;
    s)
      download_assemble_scripts "${OPTARG}"
      ;;
    d)
      exec /bin/bash
      ;;
  esac
done

# Detect the presence of $stdin and restore the artifacts
# To restore the artifacts, you have to run the builder as:
#
# docker run -v $(pwd):/tmp/src openshift/centos-ruby-builder < artifacts.tgz
#
if [ -p /dev/stdin ]; then
  echo "---> Restoring artifacts"
  cat | ${HOME}/bin/restore-artifacts
fi

# Prepare the Ruby application source code which includes:
#
# * (optional) Restore artifacts (bundle/vendor) from the previous build
# * Installing all rubygems dependencies using Bundler
# * (optional) Complilation of the Rails assets (rake assets:precompile)
#
${HOME}/bin/prepare

echo "---> Build successful. Commit this image with: 'docker commit ${HOSTNAME} ruby-app'"

# Once the Ruby application sources are prepared, replace
# this script with the 'run' script that launch the application
# using Ruby application server (puma or rackup by default).
#
cp -f ${HOME}/bin/run ${HOME}/bin/start && exit