+++ /dev/null
-require 'rubygems'
-require 'yaml'
-
-module Rails
-
- class VendorGemSourceIndex
- # VendorGemSourceIndex acts as a proxy for the Gem source index, allowing
- # gems to be loaded from vendor/gems. Rather than the standard gem repository format,
- # vendor/gems contains unpacked gems, with YAML specifications in .specification in
- # each gem directory.
- include Enumerable
-
- attr_reader :installed_source_index
- attr_reader :vendor_source_index
-
- @@silence_spec_warnings = false
-
- def self.silence_spec_warnings
- @@silence_spec_warnings
- end
-
- def self.silence_spec_warnings=(v)
- @@silence_spec_warnings = v
- end
-
- def initialize(installed_index, vendor_dir=Rails::GemDependency.unpacked_path)
- @installed_source_index = installed_index
- @vendor_dir = vendor_dir
- refresh!
- end
-
- def refresh!
- # reload the installed gems
- @installed_source_index.refresh!
- vendor_gems = {}
-
- # handle vendor Rails gems - they are identified by having loaded_from set to ""
- # we add them manually to the list, so that other gems can find them via dependencies
- Gem.loaded_specs.each do |n, s|
- next unless s.loaded_from.empty?
- vendor_gems[s.full_name] = s
- end
-
- # load specifications from vendor/gems
- Dir[File.join(Rails::GemDependency.unpacked_path, '*')].each do |d|
- dir_name = File.basename(d)
- dir_version = version_for_dir(dir_name)
- spec = load_specification(d)
- if spec
- if spec.full_name != dir_name
- # mismatched directory name and gem spec - produced by 2.1.0-era unpack code
- if dir_version
- # fix the spec version - this is not optimal (spec.files may be wrong)
- # but it's better than breaking apps. Complain to remind users to get correct specs.
- # use ActiveSupport::Deprecation.warn, as the logger is not set yet
- $stderr.puts("config.gem: Unpacked gem #{dir_name} in vendor/gems has a mismatched specification file."+
- " Run 'rake gems:refresh_specs' to fix this.") unless @@silence_spec_warnings
- spec.version = dir_version
- else
- $stderr.puts("config.gem: Unpacked gem #{dir_name} in vendor/gems is not in a versioned directory"+
- "(should be #{spec.full_name}).") unless @@silence_spec_warnings
- # continue, assume everything is OK
- end
- end
- else
- # no spec - produced by early-2008 unpack code
- # emulate old behavior, and complain.
- $stderr.puts("config.gem: Unpacked gem #{dir_name} in vendor/gems has no specification file."+
- " Run 'rake gems:refresh_specs' to fix this.") unless @@silence_spec_warnings
- if dir_version
- spec = Gem::Specification.new
- spec.version = dir_version
- spec.require_paths = ['lib']
- ext_path = File.join(d, 'ext')
- spec.require_paths << 'ext' if File.exist?(ext_path)
- spec.name = /^(.*)-[^-]+$/.match(dir_name)[1]
- files = ['lib']
- # set files to everything in lib/
- files += Dir[File.join(d, 'lib', '*')].map { |v| v.gsub(/^#{d}\//, '') }
- files += Dir[File.join(d, 'ext', '*')].map { |v| v.gsub(/^#{d}\//, '') } if ext_path
- spec.files = files
- else
- $stderr.puts("config.gem: Unpacked gem #{dir_name} in vendor/gems not in a versioned directory."+
- " Giving up.") unless @@silence_spec_warnings
- next
- end
- end
- spec.loaded_from = File.join(d, '.specification')
- # finally, swap out full_gem_path
- # it would be better to use a Gem::Specification subclass, but the YAML loads an explicit class
- class << spec
- def full_gem_path
- path = File.join installation_path, full_name
- return path if File.directory? path
- File.join installation_path, original_name
- end
- end
- vendor_gems[File.basename(d)] = spec
- end
- @vendor_source_index = Gem::SourceIndex.new(vendor_gems)
- end
-
- def version_for_dir(d)
- matches = /-([^-]+)$/.match(d)
- Gem::Version.new(matches[1]) if matches
- end
-
- def load_specification(gem_dir)
- spec_file = File.join(gem_dir, '.specification')
- YAML.load_file(spec_file) if File.exist?(spec_file)
- end
-
- def find_name(*args)
- @installed_source_index.find_name(*args) + @vendor_source_index.find_name(*args)
- end
-
- def search(*args)
- # look for vendor gems, and then installed gems - later elements take priority
- @installed_source_index.search(*args) + @vendor_source_index.search(*args)
- end
-
- def each(&block)
- @vendor_source_index.each(&block)
- @installed_source_index.each(&block)
- end
-
- def add_spec(spec)
- @vendor_source_index.add_spec spec
- end
-
- def remove_spec(spec)
- @vendor_source_index.remove_spec spec
- end
-
- def size
- @vendor_source_index.size + @installed_source_index.size
- end
-
- end
-end
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