quick build script for Drupal distributions that ship with a build makefile

dice.sh

#!/usr/bin/env bash

# Usage:  dice makefile docroot dbuser dbpass dbname sitename install-profile
drupal_install_clean_env() {
  if [[ -r $2 ]]; then
    sudo rm -r $2
    cd ~/
  fi
  if [[ -r $1 ]]; then
    drush make --working-copy --concurrency=5 $1 $2
    cd $2
    drush si $7 --db-url=mysql://$3:$4@localhost:3306/$5 --db-su=$3 --db-su-pw=$4 --site-name="$6" --account-name=admin --account-pass=admin -y
    # Files directory (local dev)
    sudo chmod -R 777 $2/sites/default/files
    # Files directory (remote dev/stage/prod)
    #sudo chown -R _www:_www $2/sites/default/files
  fi
}
alias dice=drupal_install_clean_env

Documentation: http://whaaat.com/bash-script-drupal-install-profile