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authorryan <ryan@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-01-14 02:02:12 (GMT)
committerryan <ryan@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-01-14 02:02:12 (GMT)
commitf52c2cc24d1070f1997921c1d870cdd55327ba2a (patch)
tree4cc19851c0a696bda9d17671ed15b980409bdce5 /gem_prelude.rb
parent8409156e243f670590708742354c8af6a99def3b (diff)
Reduced gem_prelude to just require rubygems. Reviewed by Evan Phoenix
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30538 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'gem_prelude.rb')
-rw-r--r--gem_prelude.rb240
1 files changed, 1 insertions, 239 deletions
diff --git a/gem_prelude.rb b/gem_prelude.rb
index ffb3e9a..c96514a 100644
--- a/gem_prelude.rb
+++ b/gem_prelude.rb
@@ -1,239 +1 @@
-# depends on: array.rb dir.rb env.rb file.rb hash.rb module.rb regexp.rb
-# vim: filetype=ruby
-
-# NOTICE: Ruby is during initialization here.
-# * Encoding.default_external does not reflects -E.
-# * Should not expect Encoding.default_internal.
-# * Locale encoding is available.
-
-if defined?(Gem) then
-
- # :stopdoc:
-
- module Kernel
-
- def gem(gem_name, *version_requirements)
- Gem::QuickLoader.load_full_rubygems_library
- gem gem_name, *version_requirements
- end
- private :gem
- end
-
- module Gem
-
- ConfigMap = {
- :EXEEXT => RbConfig::CONFIG["EXEEXT"],
- :RUBY_SO_NAME => RbConfig::CONFIG["RUBY_SO_NAME"],
- :arch => RbConfig::CONFIG["arch"],
- :bindir => RbConfig::CONFIG["bindir"],
- :libdir => RbConfig::CONFIG["libdir"],
- :ruby_install_name => RbConfig::CONFIG["ruby_install_name"],
- :ruby_version => RbConfig::CONFIG["ruby_version"],
- :rubylibprefix => RbConfig::CONFIG["rubylibprefix"],
- :sitedir => RbConfig::CONFIG["sitedir"],
- :sitelibdir => RbConfig::CONFIG["sitelibdir"],
- }
-
- def self.suffixes
- ['', '.rb', ".#{RbConfig::CONFIG["DLEXT"]}"]
- end
-
- def self.dir
- @gem_home ||= nil
- set_home(ENV['GEM_HOME'] || default_dir) unless @gem_home
- @gem_home
- end
-
- def self.path
- @gem_path ||= nil
- unless @gem_path
- paths = [ENV['GEM_PATH'] || default_path]
- paths << APPLE_GEM_HOME if defined? APPLE_GEM_HOME
- set_paths(paths.compact.join(File::PATH_SEPARATOR))
- end
- @gem_path
- end
-
- def self.post_install(&hook)
- @post_install_hooks << hook
- end
-
- def self.post_uninstall(&hook)
- @post_uninstall_hooks << hook
- end
-
- def self.pre_install(&hook)
- @pre_install_hooks << hook
- end
-
- def self.pre_uninstall(&hook)
- @pre_uninstall_hooks << hook
- end
-
- def self.set_home(home)
- home = home.dup.force_encoding(Encoding.find('filesystem'))
- home.gsub!(File::ALT_SEPARATOR, File::SEPARATOR) if File::ALT_SEPARATOR
- @gem_home = home
- end
-
- def self.set_paths(gpaths)
- if gpaths
- @gem_path = gpaths.split(File::PATH_SEPARATOR)
-
- if File::ALT_SEPARATOR then
- @gem_path.map! do |path|
- path.gsub File::ALT_SEPARATOR, File::SEPARATOR
- end
- end
-
- @gem_path << Gem.dir
- else
- # TODO: should this be Gem.default_path instead?
- @gem_path = [Gem.dir]
- end
-
- @gem_path.uniq!
- @gem_path.map!{|x|x.force_encoding(Encoding.find('filesystem'))}
- end
-
- def self.user_home
- @user_home ||= File.expand_path("~").force_encoding(Encoding.find('filesystem'))
- rescue
- if File::ALT_SEPARATOR then
- "C:/"
- else
- "/"
- end
- end
-
- # begin rubygems/defaults
- # NOTE: this require will be replaced with in-place eval before compilation.
- require 'lib/rubygems/defaults.rb'
- # end rubygems/defaults
-
-
- ##
- # Methods before this line will be removed when QuickLoader is replaced
- # with the real RubyGems
-
- GEM_PRELUDE_METHODS = Gem.methods(false)
-
- begin
- verbose, debug = $VERBOSE, $DEBUG
- $VERBOSE = $DEBUG = nil
-
- begin
- require 'rubygems/defaults/operating_system'
- rescue ::LoadError
- end
-
- if defined?(RUBY_ENGINE) then
- begin
- require "rubygems/defaults/#{RUBY_ENGINE}"
- rescue ::LoadError
- end
- end
- ensure
- $VERBOSE, $DEBUG = verbose, debug
- end
-
- module QuickLoader
-
- @loaded_full_rubygems_library = false
-
- def self.remove
- return if @loaded_full_rubygems_library
-
- @loaded_full_rubygems_library = true
-
- class << Gem
- undef_method(*Gem::GEM_PRELUDE_METHODS)
- end
-
- remove_method :const_missing
- remove_method :method_missing
-
- Kernel.module_eval do
- undef_method :gem if method_defined? :gem
- end
- end
-
- def self.load_full_rubygems_library
- return false if @loaded_full_rubygems_library
-
- remove
-
- $".delete path_to_full_rubygems_library
- if $".any? {|path| path.end_with?('/rubygems.rb')}
- raise LoadError, "another rubygems is already loaded from #{path}"
- end
-
- require 'rubygems'
-
- return true
- end
-
- def self.path_to_full_rubygems_library
- installed_path = File.join(Gem::ConfigMap[:rubylibprefix], Gem::ConfigMap[:ruby_version])
- if $:.include?(installed_path)
- return File.join(installed_path, 'rubygems.rb')
- else # e.g., on test-all
- $:.each do |dir|
- if File.exist?( path = File.join(dir, 'rubygems.rb') )
- return path
- end
- end
- raise LoadError, 'rubygems.rb'
- end
- end
-
- def const_missing(constant)
- QuickLoader.load_full_rubygems_library
-
- if Gem.const_defined?(constant) then
- Gem.const_get constant
- else
- super
- end
- end
-
- def method_missing(method, *args, &block)
- QuickLoader.load_full_rubygems_library
- super unless Gem.respond_to?(method)
- Gem.send(method, *args, &block)
- end
- end
-
- extend QuickLoader
-
- def self.try_activate(path)
- # This method is only hit when the custom require is hit the first time.
- # So we go off and dutifully load all of rubygems and retry the call
- # to Gem.try_activate. We retry because full rubygems replaces this
- # method with one that actually tries to find a gem for +path+ and load it.
- #
- # This is conditional because in the course of loading rubygems, the custom
- # require will call back into here before all of rubygems is loaded. So
- # we must not always retry the call. We only redo the call when
- # load_full_rubygems_library returns true, which it only does the first
- # time it's called.
- #
- if QuickLoader.load_full_rubygems_library
- return Gem.try_activate(path)
- end
-
- return false
- end
-
- end
-
- begin
- require 'lib/rubygems/custom_require.rb'
- rescue Exception => e
- puts "Error loading gem paths on load path in gem_prelude"
- puts e
- puts e.backtrace.join("\n")
- end
-
-end
-
+require 'rubygems' unless $disable_rubygems