#!/bin/bash
set -e

#cd /site

# Ensure we use the newer bundler version
export BUNDLE_GEMFILE=/site/Gemfile

if [ "$JEKYLL_NEW" = true ]; then
  echo "NOTE: making new jekyll site!"
  jekyll new .
fi

if [ ! -f Gemfile ]; then
  echo "NOTE: hmm, I don't see a Gemfile so I don't think there's a jekyll site here"
  echo "Either you didn't mount a volume, or you mounted it incorrectly."
  echo "be sure you're in your jekyll site root and use something like this to launch"
  echo ""
  echo "docker run -p 80:4000 -v \$(pwd):/site bretfisher/jekyll-serve"
  echo ""
  echo "NOTE: To create a new site, add '-e JEKYLL_NEW=true' to the above command"
  exit 1
fi

bundle install

exec "$@"