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- Revision:
- 390
- Log:
Initial import of Canvass, a donations-based poll application.
- Author:
- rool
- Date:
- Mon Mar 21 14:58:04 +0000 2011
- Size:
- 2795 Bytes
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 | Rails::GemDependency.add_frozen_gem_path |
48 | end |
49 | end |
50 | |
51 | class GemBoot < Boot |
52 | def load_initializer |
53 | self.class.load_rubygems |
54 | load_rails_gem |
55 | require 'initializer' |
56 | end |
57 | |
58 | def load_rails_gem |
59 | if version = self.class.gem_version |
60 | gem 'rails', version |
61 | else |
62 | gem 'rails' |
63 | end |
64 | rescue Gem::LoadError => load_error |
65 | $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.) |
66 | exit 1 |
67 | end |
68 | |
69 | class << self |
70 | def rubygems_version |
71 | Gem::RubyGemsVersion rescue nil |
72 | end |
73 | |
74 | def gem_version |
75 | if defined? RAILS_GEM_VERSION |
76 | RAILS_GEM_VERSION |
77 | elsif ENV.include?('RAILS_GEM_VERSION') |
78 | ENV['RAILS_GEM_VERSION'] |
79 | else |
80 | parse_gem_version(read_environment_rb) |
81 | end |
82 | end |
83 | |
84 | def load_rubygems |
85 | min_version = '1.3.2' |
86 | require 'rubygems' |
87 | unless rubygems_version >= min_version |
88 | $stderr.puts %Q(Rails requires RubyGems >= #{min_version} (you have #{rubygems_version}). Please `gem update --system` and try again.) |
89 | exit 1 |
90 | end |
91 | |
92 | rescue LoadError |
93 | $stderr.puts %Q(Rails requires RubyGems >= #{min_version}. Please install RubyGems and try again: http://rubygems.rubyforge.org) |
94 | exit 1 |
95 | end |
96 | |
97 | def parse_gem_version(text) |
98 | $1 if text =~ /^[^#]*RAILS_GEM_VERSION\s*=\s*["']([!~<>=]*\s*[\d.]+)["']/ |
99 | end |
100 | |
101 | private |
102 | def read_environment_rb |
103 | File.read("#{RAILS_ROOT}/config/environment.rb") |
104 | end |
105 | end |
106 | end |
107 | end |
108 | |
109 | # All that for this: |
110 | Rails.boot! |