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root / config / boot.rb @ 912:5e80956cc792
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| 1 | 0:513646585e45 | Chris | # Don't change this file!
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| 2 | # Configure your app in config/environment.rb and config/environments/*.rb
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| 3 | |||
| 4 | 909:cbb26bc654de | Chris | if RUBY_VERSION >= '1.9' |
| 5 | require 'yaml'
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| 6 | YAML::ENGINE.yamler = 'syck' |
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| 7 | end
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| 8 | |||
| 9 | 0:513646585e45 | Chris | RAILS_ROOT = "#{File.dirname(__FILE__)}/.." unless defined?(RAILS_ROOT) |
| 10 | |||
| 11 | module Rails |
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| 12 | class << self |
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| 13 | def boot! |
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| 14 | unless booted?
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| 15 | preinitialize |
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| 16 | pick_boot.run |
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| 17 | end
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| 18 | end
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| 19 | |||
| 20 | def booted? |
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| 21 | defined? Rails::Initializer |
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| 22 | end
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| 23 | |||
| 24 | def pick_boot |
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| 25 | (vendor_rails? ? VendorBoot : GemBoot).new |
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| 26 | end
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| 27 | |||
| 28 | def vendor_rails? |
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| 29 | File.exist?("#{RAILS_ROOT}/vendor/rails") |
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| 30 | end
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| 31 | |||
| 32 | def preinitialize |
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| 33 | load(preinitializer_path) if File.exist?(preinitializer_path) |
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| 34 | end
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| 35 | |||
| 36 | def preinitializer_path |
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| 37 | "#{RAILS_ROOT}/config/preinitializer.rb"
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| 38 | end
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| 39 | end
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| 40 | |||
| 41 | class Boot |
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| 42 | def run |
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| 43 | load_initializer |
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| 44 | Rails::Initializer.run(:set_load_path) |
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| 45 | end
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| 46 | end
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| 47 | |||
| 48 | class VendorBoot < Boot |
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| 49 | def load_initializer |
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| 50 | require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
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| 51 | Rails::Initializer.run(:install_gem_spec_stubs) |
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| 52 | Rails::GemDependency.add_frozen_gem_path |
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| 53 | end
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| 54 | end
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| 55 | |||
| 56 | class GemBoot < Boot |
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| 57 | def load_initializer |
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| 58 | self.class.load_rubygems
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| 59 | load_rails_gem |
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| 60 | require 'initializer'
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| 61 | end
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| 62 | |||
| 63 | def load_rails_gem |
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| 64 | if version = self.class.gem_version |
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| 65 | gem 'rails', version
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| 66 | else
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| 67 | gem 'rails'
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| 68 | end
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| 69 | rescue Gem::LoadError => load_error |
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| 70 | 909:cbb26bc654de | Chris | if load_error.message =~ /Could not find RubyGem rails/ |
| 71 | 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.) |
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| 72 | exit 1
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| 73 | else
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| 74 | raise |
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| 75 | end
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| 76 | 0:513646585e45 | Chris | end
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| 77 | |||
| 78 | class << self |
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| 79 | def rubygems_version |
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| 80 | Gem::RubyGemsVersion rescue nil |
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| 81 | end
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| 82 | |||
| 83 | def gem_version |
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| 84 | if defined? RAILS_GEM_VERSION |
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| 85 | RAILS_GEM_VERSION
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| 86 | elsif ENV.include?('RAILS_GEM_VERSION') |
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| 87 | ENV['RAILS_GEM_VERSION'] |
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| 88 | else
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| 89 | parse_gem_version(read_environment_rb) |
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| 90 | end
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| 91 | end
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| 92 | |||
| 93 | def load_rubygems |
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| 94 | min_version = '1.3.2'
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| 95 | require 'rubygems'
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| 96 | unless rubygems_version >= min_version
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| 97 | $stderr.puts %Q(Rails requires RubyGems >= #{min_version} (you have #{rubygems_version}). Please `gem update --system` and try again.) |
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| 98 | exit 1
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| 99 | end
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| 100 | |||
| 101 | rescue LoadError |
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| 102 | $stderr.puts %Q(Rails requires RubyGems >= #{min_version}. Please install RubyGems and try again: http://rubygems.rubyforge.org) |
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| 103 | exit 1
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| 104 | end
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| 105 | |||
| 106 | def parse_gem_version(text) |
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| 107 | $1 if text =~ /^[^#]*RAILS_GEM_VERSION\s*=\s*["']([!~<>=]*\s*[\d.]+)["']/ |
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| 108 | end
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| 109 | |||
| 110 | private |
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| 111 | def read_environment_rb |
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| 112 | File.read("#{RAILS_ROOT}/config/environment.rb") |
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| 113 | end
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| 114 | end
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| 115 | end
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| 116 | end
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| 117 | |||
| 118 | # All that for this:
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| 119 | Rails.boot! |