precompile_and_deploy.sh

#!/bin/bash
# usage: precompile_and_deploy production|staging
#
CURRENT_GIT_BRANCH=$(git branch | grep \*)
CURRENT_GIT_BRANCH=${CURRENT_GIT_BRANCH#\** }

if [[ $1 == "-m" || $1 == "--migrate" ]]; then
  MIGRATE=true
  RAILS_ENV=$2
else
  MIGRATE=false
  RAILS_ENV=$1
fi

if [[ $RAILS_ENV != "production" && $RAILS_ENV != "staging" ]]; then
  echo "${txtbld}$(tput setaf 1)Usage: ./precompile_and_deploy (-m|--migrate) staging|production$(tput sgr0)"

elif [[ $RAILS_ENV == "production" && $CURRENT_GIT_BRANCH != "master" ]]; then
  echo "${txtbld}$(tput setaf 1)Only branch master can be deployed to production$(tput sgr0)"

else

  if [[ $RAILS_ENV == "production" ]]; then
    echo "${txtbld}$(tput setaf 3)Really deploy $CURRENT_GIT_BRANCH to $RAILS_ENV? [yes/no]$(tput sgr0)"
    read USER_RESPONSE
    if [[ $USER_RESPONSE != "yes" ]]; then
      echo "${txtbld}$(tput setaf 1)Halting$(tput sgr0)"
      exit
    fi
  fi


  echo "${txtbld}$(tput setaf 4)Precompiling branch $CURRENT_GIT_BRANCH to S3 for $RAILS_ENV$(tput sgr0)"
  RAILS_ENV=$RAILS_ENV RAILS_GROUPS=assets rake assets\:precompile\:primary
  if [ $? != 0 ]; then
    echo "${txtbld}$(tput setaf 1)Precompilation error$(tput sgr0)"
    exit
  fi
  RAILS_ENV=$RAILS_ENV RAILS_GROUPS=assets rake assets\:move_to_s3
  if [ $? != 0 ]; then
    echo "${txtbld}$(tput setaf 1)Error moving precompiled assets to S3$(tput sgr0)"
    exit
  fi


  echo "${txtbld}$(tput setaf 4)Committing ${RAILS_ENV}_manifest.yml to $CURRENT_GIT_BRANCH$(tput sgr0)"
  git add public/assets/${RAILS_ENV}_manifest.yml
  git commit -m "${RAILS_ENV}_manifest.yml"


  echo "${txtbld}$(tput setaf 4)Pushing $CURRENT_GIT_BRANCH to origin$(tput sgr0)"
  git push origin $CURRENT_GIT_BRANCH

  if $MIGRATE ; then
    echo "${txtbld}$(tput setaf 4)Deploying to $RAILS_ENV and migrating$(tput sgr0)"
    ey deploy -m -e example_$RAILS_ENV
  else
    echo "${txtbld}$(tput setaf 4)Deploying to $RAILS_ENV$(tput sgr0)"
    ey deploy -e example_$RAILS_ENV
  fi
fi