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Diffstat (limited to 'lib/bundler/rubygems_ext.rb')
| -rw-r--r-- | lib/bundler/rubygems_ext.rb | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/lib/bundler/rubygems_ext.rb b/lib/bundler/rubygems_ext.rb new file mode 100644 index 0000000000..a0f8fa848b --- /dev/null +++ b/lib/bundler/rubygems_ext.rb @@ -0,0 +1,209 @@ +# frozen_string_literal: true +require "pathname" + +if defined?(Gem::QuickLoader) + # Gem Prelude makes me a sad panda :'( + Gem::QuickLoader.load_full_rubygems_library +end + +require "rubygems" +require "rubygems/specification" + +begin + # Possible use in Gem::Specification#source below and require + # shouldn't be deferred. + require "rubygems/source" +rescue LoadError + # Not available before Rubygems 2.0.0, ignore + nil +end + +require "bundler/match_platform" + +module Gem + @loaded_stacks = Hash.new {|h, k| h[k] = [] } + + class Specification + attr_accessor :remote, :location, :relative_loaded_from + + if instance_methods(false).map(&:to_sym).include?(:source) + remove_method :source + attr_writer :source + def source + (defined?(@source) && @source) || Gem::Source::Installed.new + end + else + attr_accessor :source + end + + alias_method :rg_full_gem_path, :full_gem_path + alias_method :rg_loaded_from, :loaded_from + + attr_writer :full_gem_path unless instance_methods.include?(:full_gem_path=) + + def full_gem_path + # this cannot check source.is_a?(Bundler::Plugin::API::Source) + # because that _could_ trip the autoload, and if there are unresolved + # gems at that time, this method could be called inside another require, + # thus raising with that constant being undefined. Better to check a method + if source.respond_to?(:path) || (source.respond_to?(:bundler_plugin_api_source?) && source.bundler_plugin_api_source?) + Pathname.new(loaded_from).dirname.expand_path(source.root).to_s.untaint + else + rg_full_gem_path + end + end + + def loaded_from + if relative_loaded_from + source.path.join(relative_loaded_from).to_s + else + rg_loaded_from + end + end + + def load_paths + return full_require_paths if respond_to?(:full_require_paths) + + require_paths.map do |require_path| + if require_path.include?(full_gem_path) + require_path + else + File.join(full_gem_path, require_path) + end + end + end + + if method_defined?(:extension_dir) + alias_method :rg_extension_dir, :extension_dir + def extension_dir + @bundler_extension_dir ||= if source.respond_to?(:extension_dir_name) + File.expand_path(File.join(extensions_dir, source.extension_dir_name)) + else + rg_extension_dir + end + end + end + + # RubyGems 1.8+ used only. + methods = instance_methods(false) + gem_dir = methods.first.is_a?(String) ? "gem_dir" : :gem_dir + remove_method :gem_dir if methods.include?(gem_dir) + def gem_dir + full_gem_path + end + + def groups + @groups ||= [] + end + + def git_version + return unless loaded_from && source.is_a?(Bundler::Source::Git) + " #{source.revision[0..6]}" + end + + def to_gemfile(path = nil) + gemfile = String.new("source 'https://rubygems.org'\n") + gemfile << dependencies_to_gemfile(nondevelopment_dependencies) + unless development_dependencies.empty? + gemfile << "\n" + gemfile << dependencies_to_gemfile(development_dependencies, :development) + end + gemfile + end + + def nondevelopment_dependencies + dependencies - development_dependencies + end + + private + + def dependencies_to_gemfile(dependencies, group = nil) + gemfile = String.new + if dependencies.any? + gemfile << "group :#{group} do\n" if group + dependencies.each do |dependency| + gemfile << " " if group + gemfile << %(gem "#{dependency.name}") + req = dependency.requirements_list.first + gemfile << %(, "#{req}") if req + gemfile << "\n" + end + gemfile << "end\n" if group + end + gemfile + end + end + + class Dependency + attr_accessor :source, :groups + + alias_method :eql?, :== + + def encode_with(coder) + to_yaml_properties.each do |ivar| + coder[ivar.to_s.sub(/^@/, "")] = instance_variable_get(ivar) + end + end + + def to_yaml_properties + instance_variables.reject {|p| ["@source", "@groups"].include?(p.to_s) } + end + + def to_lock + out = String.new(" #{name}") + unless requirement.none? + reqs = requirement.requirements.map {|o, v| "#{o} #{v}" }.sort.reverse + out << " (#{reqs.join(", ")})" + end + out + end + + # Backport of performance enhancement added to Rubygems 1.4 + def matches_spec?(spec) + # name can be a Regexp, so use === + return false unless name === spec.name + return true if requirement.none? + + requirement.satisfied_by?(spec.version) + end unless allocate.respond_to?(:matches_spec?) + end + + class Requirement + # Backport of performance enhancement added to RubyGems 1.4 + def none? + # note that it might be tempting to replace with with RubyGems 2.0's + # improved implementation. Don't. It requires `DefaultRequirement` to be + # defined, and more importantantly, these overrides are not used when the + # running RubyGems defines these methods + to_s == ">= 0" + end unless allocate.respond_to?(:none?) + + # Backport of performance enhancement added to RubyGems 2.2 + def exact? + return false unless @requirements.size == 1 + @requirements[0][0] == "=" + end unless allocate.respond_to?(:exact?) + end + + class Platform + JAVA = Gem::Platform.new("java") unless defined?(JAVA) + MSWIN = Gem::Platform.new("mswin32") unless defined?(MSWIN) + MSWIN64 = Gem::Platform.new("mswin64") unless defined?(MSWIN64) + MINGW = Gem::Platform.new("x86-mingw32") unless defined?(MINGW) + X64_MINGW = Gem::Platform.new("x64-mingw32") unless defined?(X64_MINGW) + + undef_method :hash if method_defined? :hash + def hash + @cpu.hash ^ @os.hash ^ @version.hash + end + + undef_method :eql? if method_defined? :eql? + alias_method :eql?, :== + end +end + +module Gem + class Specification + include ::Bundler::MatchPlatform + end +end |