your_rails_repo_#_script_#_deploy.sh

#! /bin/bash

create_tag(){
  TAG=deployed_at_$(date +"%F_%H-%M")
  git tag -m '' -a $TAG
  git push --tags
}

quick_deploy(){
  echo 'Starting quick deploy...'
  create_tag
  ssh yourserver.com << 'SSH'
    cd /var/rails_apps/app_name
    git pull
    bundle install --without development test
    touch tmp/restart.txt
    git describe > public/version
SSH
}

complete_deploy(){
  echo 'Starting complete deploy...'
  create_tag
  ssh yourserver.com << 'SSH'
    cd /var/rails_apps/app_name
    rm -rf public/assets
    git pull
    bundle install --without development test
    bundle exec rake db:migrate db:seed assets:clean assets:precompile
    touch tmp/restart.txt
    git describe > public/version
SSH
}

if [ $1 ]; then
  if [ "$1" == '-q' ] || [ "$1" == '--quick' ]; then
    quick_deploy
  else
    echo -e 'Usage: script/deploy [OPTIONS]\n\nOptions:\n-q --quick: Deploy without migrations and assets precompile.\n'
  fi
else
  complete_deploy
fi