CodeIgniterのsparksコマンドをラップしたscript

sparks.sh

#!/bin/sh
if [ -e index.php ] && grep CodeIgniter index.php >/dev/null;then
  #CI Project 
  if [ $# -eq 0 ]; then
    if [ ! -d tools ] && [ ! -f tools/spark ];then
      echo "Spark Manager is Not installed"
      echo "Try 'setup'"
      exit 1
    else
      echo "Spark Manager need some parameters"
      echo "Try 'help'"
      exit 1
    fi
  else
    if [ ! -d tools ] && [ ! -f tools/spark ] && [ $1 != 'setup' ];then
      echo "Spark Manager is Not installed"
      echo "Try 'setup'"
      exit 1
    else
      if [ $1 = 'setup' ];then
        if [ ! -d tools ] && [ ! -f tools/spark ];then
          php -r "$(curl -fsSL http://getsparks.org/go-sparks)"
          exit 0
        else
          echo "Spark Manager is already installed"
          exit 1
        fi
      elif [ $1 = 'help' ] || [ $1 = '-h' ];then
        echo "setup     # Install Spark Manager"
        php tools/spark help
        exit 0
      elif [ $1 = '-v' ];then
        php tools/spark version
      else
        php tools/spark $*
        exit 0
      fi 
    fi
  fi 
else 
  #Not CI Project
  echo "Please mv to CodeIgniter project root"
  exit 1
fi