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| 1 | +# Don't change this file! |
| 2 | +# Configure your app in config/environment.rb and config/environments/*.rb |
| 3 | + |
| 4 | +RAILS_ROOT = "#{File.dirname(__FILE__)}/.." unless defined?(RAILS_ROOT) |
| 5 | + |
| 6 | +module Rails |
| 7 | + class << self |
| 8 | + def boot! |
| 9 | + unless booted? |
| 10 | + preinitialize |
| 11 | + pick_boot.run |
| 12 | + end |
| 13 | + end |
| 14 | + |
| 15 | + def booted? |
| 16 | + defined? Rails::Initializer |
| 17 | + end |
| 18 | + |
| 19 | + def pick_boot |
| 20 | + (vendor_rails? ? VendorBoot : GemBoot).new |
| 21 | + end |
| 22 | + |
| 23 | + def vendor_rails? |
| 24 | + File.exist?("#{RAILS_ROOT}/vendor/rails") |
| 25 | + end |
| 26 | + |
| 27 | + def preinitialize |
| 28 | + load(preinitializer_path) if File.exist?(preinitializer_path) |
| 29 | + end |
| 30 | + |
| 31 | + def preinitializer_path |
| 32 | + "#{RAILS_ROOT}/config/preinitializer.rb" |
| 33 | + end |
| 34 | + end |
| 35 | + |
| 36 | + class Boot |
| 37 | + def run |
| 38 | + load_initializer |
| 39 | + Rails::Initializer.run(:set_load_path) |
| 40 | + end |
| 41 | + end |
| 42 | + |
| 43 | + class VendorBoot < Boot |
| 44 | + def load_initializer |
| 45 | + require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer" |
| 46 | + Rails::Initializer.run(:install_gem_spec_stubs) |
| 47 | + end |
| 48 | + end |
| 49 | + |
| 50 | + class GemBoot < Boot |
| 51 | + def load_initializer |
| 52 | + self.class.load_rubygems |
| 53 | + load_rails_gem |
| 54 | + require 'initializer' |
| 55 | + end |
| 56 | + |
| 57 | + def load_rails_gem |
| 58 | + if version = self.class.gem_version |
| 59 | + gem 'rails', version |
| 60 | + else |
| 61 | + gem 'rails' |
| 62 | + end |
| 63 | + rescue Gem::LoadError => load_error |
| 64 | + $stderr.puts %(Missing the Rails #{version} gem. Please `gem install -v=#{version} rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.) |
| 65 | + exit 1 |
| 66 | + end |
| 67 | + |
| 68 | + class << self |
| 69 | + def rubygems_version |
| 70 | + Gem::RubyGemsVersion if defined? Gem::RubyGemsVersion |
| 71 | + end |
| 72 | + |
| 73 | + def gem_version |
| 74 | + if defined? RAILS_GEM_VERSION |
| 75 | + RAILS_GEM_VERSION |
| 76 | + elsif ENV.include?('RAILS_GEM_VERSION') |
| 77 | + ENV['RAILS_GEM_VERSION'] |
| 78 | + else |
| 79 | + parse_gem_version(read_environment_rb) |
| 80 | + end |
| 81 | + end |
| 82 | + |
| 83 | + def load_rubygems |
| 84 | + require 'rubygems' |
| 85 | + |
| 86 | + unless rubygems_version >= '0.9.4' |
| 87 | + $stderr.puts %(Rails requires RubyGems >= 0.9.4 (you have #{rubygems_version}). Please `gem update --system` and try again.) |
| 88 | + exit 1 |
| 89 | + end |
| 90 | + |
| 91 | + rescue LoadError |
| 92 | + $stderr.puts %(Rails requires RubyGems >= 0.9.4. Please install RubyGems and try again: http://rubygems.rubyforge.org) |
| 93 | + exit 1 |
| 94 | + end |
| 95 | + |
| 96 | + def parse_gem_version(text) |
| 97 | + $1 if text =~ /^[^#]*RAILS_GEM_VERSION\s*=\s*["']([!~<>=]*\s*[\d.]+)["']/ |
| 98 | + end |
| 99 | + |
| 100 | + private |
| 101 | + def read_environment_rb |
| 102 | + File.read("#{RAILS_ROOT}/config/environment.rb") |
| 103 | + end |
| 104 | + end |
| 105 | + end |
| 106 | +end |
| 107 | + |
| 108 | +# All that for this: |
| 109 | +Rails.boot! |
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