# File railties/lib/rails/vendor_gem_source_index.rb, line 26
26:     def initialize(installed_index, vendor_dir=Rails::GemDependency.unpacked_path)
27:       @installed_source_index = installed_index
28:       @vendor_dir = vendor_dir
29:       refresh!
30:     end

    # File railties/lib/rails/vendor_gem_source_index.rb, line 18
18:     def self.silence_spec_warnings
19:       @@silence_spec_warnings
20:     end

    # File railties/lib/rails/vendor_gem_source_index.rb, line 22
22:     def self.silence_spec_warnings=(v)
23:       @@silence_spec_warnings = v
24:     end

     # File railties/lib/rails/vendor_gem_source_index.rb, line 127
127:     def add_spec(spec)
128:       @vendor_source_index.add_spec spec
129:     end

     # File railties/lib/rails/vendor_gem_source_index.rb, line 122
122:     def each(&block)
123:       @vendor_source_index.each(&block)
124:       @installed_source_index.each(&block)
125:     end

     # File railties/lib/rails/vendor_gem_source_index.rb, line 113
113:     def find_name(*args)
114:       @installed_source_index.find_name(*args) + @vendor_source_index.find_name(*args)
115:     end

     # File railties/lib/rails/vendor_gem_source_index.rb, line 108
108:     def load_specification(gem_dir)
109:       spec_file = File.join(gem_dir, '.specification')
110:       YAML.load_file(spec_file) if File.exist?(spec_file)
111:     end

     # File railties/lib/rails/vendor_gem_source_index.rb, line 32
 32:     def refresh!
 33:       # reload the installed gems
 34:       @installed_source_index.refresh!
 35:       vendor_gems = {}
 36: 
 37:       # handle vendor Rails gems - they are identified by having loaded_from set to ""
 38:       # we add them manually to the list, so that other gems can find them via dependencies
 39:       Gem.loaded_specs.each do |n, s|
 40:         next unless s.loaded_from.to_s.empty?
 41:         vendor_gems[s.full_name] = s
 42:       end
 43: 
 44:       # load specifications from vendor/gems
 45:       Dir[File.join(Rails::GemDependency.unpacked_path, '*')].each do |d|
 46:         dir_name = File.basename(d)
 47:         dir_version = version_for_dir(dir_name)
 48:         spec = load_specification(d)
 49:         if spec
 50:           if spec.full_name != dir_name
 51:             # mismatched directory name and gem spec - produced by 2.1.0-era unpack code
 52:             if dir_version
 53:               # fix the spec version - this is not optimal (spec.files may be wrong)
 54:               # but it's better than breaking apps. Complain to remind users to get correct specs.
 55:               # use ActiveSupport::Deprecation.warn, as the logger is not set yet
 56:               $stderr.puts("config.gem: Unpacked gem #{dir_name} in vendor/gems has a mismatched specification file."+
 57:                            " Run 'rake gems:refresh_specs' to fix this.") unless @@silence_spec_warnings
 58:               spec.version = dir_version
 59:             else
 60:               $stderr.puts("config.gem: Unpacked gem #{dir_name} in vendor/gems is not in a versioned directory"+
 61:                            "(should be #{spec.full_name}).") unless @@silence_spec_warnings
 62:               # continue, assume everything is OK
 63:             end
 64:           end
 65:         else
 66:           # no spec - produced by early-2008 unpack code
 67:           # emulate old behavior, and complain.
 68:           $stderr.puts("config.gem: Unpacked gem #{dir_name} in vendor/gems has no specification file."+
 69:                        " Run 'rake gems:refresh_specs' to fix this.") unless @@silence_spec_warnings
 70:           if dir_version
 71:             spec = Gem::Specification.new
 72:             spec.version = dir_version
 73:             spec.require_paths = ['lib']
 74:             ext_path = File.join(d, 'ext')
 75:             spec.require_paths << 'ext' if File.exist?(ext_path)
 76:             spec.name = /^(.*)-[^-]+$/.match(dir_name)[1]
 77:             files = ['lib']
 78:             # set files to everything in lib/
 79:             files += Dir[File.join(d, 'lib', '*')].map { |v| v.gsub(/^#{d}\//, '') }
 80:             files += Dir[File.join(d, 'ext', '*')].map { |v| v.gsub(/^#{d}\//, '') } if ext_path
 81:             spec.files = files
 82:           else
 83:             $stderr.puts("config.gem: Unpacked gem #{dir_name} in vendor/gems not in a versioned directory."+
 84:                          " Giving up.") unless @@silence_spec_warnings
 85:             next
 86:           end
 87:         end
 88:         spec.loaded_from = File.join(d, '.specification')
 89:         # finally, swap out full_gem_path
 90:         # it would be better to use a Gem::Specification subclass, but the YAML loads an explicit class
 91:         class << spec
 92:           def full_gem_path
 93:             path = File.join installation_path, full_name
 94:             return path if File.directory? path
 95:             File.join installation_path, original_name
 96:           end
 97:         end
 98:         vendor_gems[File.basename(d)] = spec
 99:       end
100:       @vendor_source_index = Gem::SourceIndex.new(vendor_gems)
101:     end

     # File railties/lib/rails/vendor_gem_source_index.rb, line 131
131:     def remove_spec(spec)
132:       @vendor_source_index.remove_spec spec
133:     end

     # File railties/lib/rails/vendor_gem_source_index.rb, line 117
117:     def search(*args)
118:       # look for vendor gems, and then installed gems - later elements take priority
119:       @installed_source_index.search(*args) + @vendor_source_index.search(*args)
120:     end

     # File railties/lib/rails/vendor_gem_source_index.rb, line 135
135:     def size
136:       @vendor_source_index.size + @installed_source_index.size
137:     end

     # File railties/lib/rails/vendor_gem_source_index.rb, line 103
103:     def version_for_dir(d)
104:       matches = /-([^-]+)$/.match(d)
105:       Gem::Version.new(matches[1]) if matches
106:     end