#!/usr/bin/env bash

system="$(uname)"
item="$(tput setaf 2)* $(tput sgr0)"

echo -e "\n$(tput setaf 6)**** NOTICE *************************************************************************************"
echo -e "*  The rubies install path has moved to \$rvm_path/rubies/ instead of directly in \$rvm_path.     *"
echo -e "*  If you encounter any issues with a ruby your best bet is to 'rvm remove X ; rvm install X'   *"
echo -e "*  Gems are now per interpreter installation instead of per interpreter/version                 *"
echo -e "*  so for example to upgrade an older install of 1.8.6 and preserve gems:                       *"
echo -e "*  rm -rf ~/.rvm/gems/ruby-1.8.6-p383 ;  mv ~/.rvm/gems/ruby/1.8.6 ~/.rvm/gems/ruby-1.8.6-p383  *"
echo -e "*************************************************************************************************$(tput sgr0)\n"

if [[ "Linux" = "$system" ]] ; then
  for file in /etc/*-release ; do
    release="( $(cat $file) )" ; break
  done
  echo -e "\n$(tput setaf 2)Notes for ${system} $release$(tput sgr0)\n"

  rvm_apt_get_binary="$(which aptitude 2> /dev/null)"
  rvm_emerge_binary="$(which emerge 2> /dev/null)"
  rvm_pacman_binary="$(which pacman 2> /dev/null)"
  rvm_yum_binary="$(which yum 2> /dev/null)"

  echo -e "\n    $item curl is required.\n"
  if [[ ! -z "$rvm_apt_get_binary" ]] ; then
    echo -e "    $item For JRuby (if you wish to use it) you will need:"
    echo -e "\n       $ aptitude install curl sun-java6-bin sun-java6-jre sun-java6-jdk"
    echo -e "\n    $item For MRI & ree (if you wish to use it) you will need:"
    echo -e "\n       $ aptitude install curl bison build-essential zlib1g-dev libssl-dev libreadline5-dev libxml2-dev git-core"
    echo -e "\n    $item For IronRuby (if you wish to use it) you will need:"
    echo -e "\n       $ aptitude install curl mono-2.0-devel"

  elif [[ ! -z "$rvm_emerge_binary" ]] ; then
    echo -e "    $item For JRuby (if you wish to use it) you will need:"
    echo -e "\n       $ emerge dev-java/sun-jdk dev-java/sun-jre-bin"
    echo -e "\n    $item For IronRuby (if you wish to use it) you will need:"
    echo -e "\n       $ emerge dev-lang/mono"

  elif [[ ! -z "$rvm_pacman_binary" ]] ; then
    echo -e "    $item For JRuby (if you wish to use it) you will need:"
    echo -e "\n       $ pacman -Sy jdk jre curl"
    echo -e "\n    $item For IronRuby (if you wish to use it) you will need:"
    echo -e "\n       $ pacman -Sy mono"

  elif [[ ! -z "$rvm_yum_binary" ]] ; then
    echo -e "    $item For ree (if you wish to use it) you will need:"
    echo -e "\n       $ yum install -y rpm-build gcc gcc-c++ redhat-rpm-config ; then download and rpmbuild and install the sdk, Have fun..."

  else
    echo -e "    $item For JRuby (if you wish to use it) you will need:"
    echo -e "\n      The SUN java runtime environment and development kit."
    echo -e "\n    $item For IronRuby (if you wish to use it) you will need:"
    echo -e "\n      The Mono Runtime and Development Platform (version 2.6 or greater is recommended)."
  fi
elif [[ "Darwin" = "$system"  ]] ; then
  release="( $(sw_vers -productName) )"
  echo -e "\n$(tput setaf 2)Notes for ${system} $release $(tput sgr0)\n"
  echo -e "\n    $item For Snow Leopard be sure to have XCode Tools Version 3.2.1 (1613) or later (there were bugs with the dvd release version)."
  echo -e "\n    $item You should download the latest XCode tools from developer.apple.com. This is necessary since the dvd install for Snow Leopard has bugs."
  echo -e "\n    $item If you intend on installing MacRuby you must install LLVM first."
  echo -e "\n    $item If you intend on installing JRuby you must install the JDK."
  echo -e "\n    $item If you intend on installing IronRuby you must install Mono (version 2.6 or greater is recommended)."
fi

echo