macにruby2.0と+rails4開発環境を一発で作るコマンド。 自己責任でお願いします。 使い方: $ ruby -e "$(curl -sSL https://gist.github.com/tadyjp/8266247/raw)"

prepare-ruby.rb

# coding: utf-8
 
################################################################################
# 使い方
# 
#   1. Xcodeから「Command Line Tool」をインストール
#   2. ターミナルを起動
#   3. 次の1行を入力してEnter
#      ruby -e "$(curl -sSL https://gist.github.com/tadyjp/8266247/raw)"
#   4. 気長に待つ(30分ほど待つ)
# 
################################################################################
 
require 'open3'
 
STDOUT.sync = true
 
INSTALLING_RUBY_VERSION = '2.0.0-p247'
INSTALLING_RAILS_VERSION = '4.0.0'
 
def exec_command(cmd)
  stdin, stdout, stderr = Open3.popen3(cmd)
  stdout_str = stdout.read
  puts "*** [OUT]   #{stdout_str}" if stdout_str.length > 0
 
  stderr_str = stderr.read
  puts "*** [ERROR] #{stderr_str}" if stderr_str.length > 0
end
 
puts <<EOF
 
###############################################################################
# Welcome to RailsMacKit by tady.
###############################################################################
 
EOF
 
 
puts ''
puts 'Installing homebrew...'
exec_command(%Q|ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"|)
 
puts ''
puts 'Updating homebrew...'
exec_command('brew update')
 
puts ''
puts 'Installing rbenv...'
exec_command('brew install rbenv')
 
puts ''
puts 'Installing ruby-build...'
exec_command('brew install ruby-build')
 
exec_command(%Q|echo 'eval "$(rbenv init -)"' >> ~/.bash_profile|)
exec_command(%Q|source ~/.bash_profile|)
 
puts ''
puts 'Rehashing rbenv...'
exec_command('rbenv rehash')
 
puts ''
puts "Installing ruby (#{INSTALLING_RUBY_VERSION})..."
exec_command("rbenv install #{INSTALLING_RUBY_VERSION}")
 
puts ''
puts 'Set ruby globally...'
exec_command("rbenv global #{INSTALLING_RUBY_VERSION}")
 
puts ''
puts 'Updating gem ...'
exec_command('gem update')
 
puts ''
puts 'Installing rails ...'
exec_command("gem install rails -v #{INSTALLING_RAILS_VERSION} --no-ri --no-rdoc")
exec_command("rbenv rehash")
exec_command(%Q|source ~/.bash_profile|)
 
puts ''
puts 'Checking rails version ...'
exec_command('rails -v')