heroku toolbelt installer without sudo

install.sh

HEROKU_CLIENT_URL="http://assets.heroku.com.s3.amazonaws.com/heroku-client/heroku-client.tgz"

echo "This script requires superuser access to install software."
echo "You will be prompted for your password."

su -c "sh <<SCRIPT  

  # download and extract the client tarball
  rm -rf /usr/local/heroku
  mkdir -p /usr/local/heroku
  cd /usr/local/heroku

  if [[ -z "$(which wget)" ]]; then
    curl -s $HEROKU_CLIENT_URL | tar xz
  else
    wget -qO- $HEROKU_CLIENT_URL | tar xz
  fi

  mv heroku-client/* .
  rmdir heroku-client
  ln -sfn /usr/local/heroku/bin/heroku /usr/bin/

SCRIPT"

# remind the user to add to $PATH
if [[ ":$PATH:" != *":/usr/local/heroku/bin:"* ]]; then
  echo "Add the Heroku CLI to your PATH using:"
  echo "$ echo 'PATH=\"/usr/local/heroku/bin:\$PATH\"' >> ~/.profile"
fi

echo "Installation complete"