#!/bin/sh

set -e

export RAILS_ENV=production

get_value(){
  ruby -ryaml -e "puts YAML.load_file('config/database.yml')['$RAILS_ENV']['$1']"
}

usage(){
  echo "usage: $0 [OPTIONS]"
  echo
  echo "Options:"
  echo
  echo "  -s, --shell     Opens a shell just after upgrading code and"
  echo "                  database to make manual steps if needed"
  echo
  echo "  -h, --help      Displays the help (this screen)"
  echo
  echo "  -v, --version   Displays Noosfero current version"
  echo
  exit $1
}

version(){
  version=$(ruby -Ilib -rnoosfero -e 'puts Noosfero::VERSION')
  echo "Noosfero version $version"
  exit 0
}

shell=no
while test $# -gt 0; do
  case "$1" in
    --shell)
      shell=yes
      ;;
    --help)
      usage 0
      ;;
    --version)
      version
      ;;
    *)
      usage 1
      ;;
  esac
  shift
done


./script/production stop || echo "Stop failed, trying to continue anyway"

sudo /etc/init.d/memcached restart

rake backup

database=$(get_value database)
adapter=$(get_value adapter)

if [ "$adapter" = "postgresql" ]; then
  mkdir -p backups/
  backup=backups/dump-$(date +%Y-%m-%d-%H-%M).sql
  pg_dump "$database" > "$backup"
fi

git pull

for dir in public/designs/themes/*; do
  (cd $dir && test -e .git/config && git pull)
done

rake db:migrate

if test "$shell" = "yes"; then
  echo "################################################"
  echo "# Noosfero upgrade shell                       #"
  echo "################################################"
  echo "#                                              #"
  echo "# If you need to do any manual steps during    #"
  echo "# this upgrade, now is the time.               #"
  echo "#                                              #"
  echo "# After you finish, just exit this shell and   #"
  echo "# the upgrade will proceed                     #"
  echo "################################################"
  export PS1="[Noosfero upgrade] $PS1"
  bash --rcfile config/bashrc
fi

rake makemo

./script/production start