#!/bin/bash

set -x
set -e

RUBY_VERSION="$1"

# Use the right Ruby /without/ rbenv
ruby_dir=$(dirname "$(RBENV_VERSION=$RUBY_VERSION rbenv which ruby)")
export PATH=$ruby_dir:$PATH

# Announce who we are
ruby -v

# Because Rails 2.3 doesn't use Bundler for its own tests,
# we need to setup an isolated gem environment.

gem_environment_version="$(md5sum Gemfile.sh | cut -d' ' -f1)-$(ruby -e 'print RUBY_VERSION')"

gem_dir=`pwd`/.gem
gem_pristine_dir=${gem_dir}-${gem_environment_version}

export GEM_HOME=$gem_dir
export GEM_PATH=$gem_dir:$GEM_PATH
export GEM_ROOT=$gem_dir

rm -rf $gem_dir

if [ ! -d $gem_pristine_dir ]; then
  mkdir $gem_dir

  . Gemfile.sh

  mv $gem_dir $gem_pristine_dir
fi

cp -r $gem_pristine_dir $gem_dir

# Go ham
rake