Promote Forwardable to default gems.

* lib/forwardable.rb: Added Forwardable::VERSION and re-use it.
  * lib/forwardable/forwardable.gemspec: Added initial gemspec.
  * tool/sync_default_gems.rb: Support forwaradable repository.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64042 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/forwardable.rb

@@ -113,7 +113,8 @@ module Forwardable
   require 'forwardable/impl'
 
   # Version of +forwardable.rb+
-  FORWARDABLE_VERSION = "1.2.0"
+  VERSION = "1.2.0"
+  FORWARDABLE_VERSION = VERSION
 
   @debug = nil
   class << self

lib/forwardable/forwardable.gemspec

@@ -0,0 +1,21 @@
+require_relative "../forwardable"
+
+Gem::Specification.new do |spec|
+  spec.name          = "forwardable"
+  spec.version       = Forwardable::VERSION
+  spec.authors       = ["Keiju ISHITSUKA"]
+  spec.email         = ["keiju@ruby-lang.org"]
+
+  spec.summary       = %q{Provides delegation of specified methods to a designated object.}
+  spec.description   = %q{Provides delegation of specified methods to a designated object.}
+  spec.homepage      = "https://github.com/ruby/forwardable"
+  spec.license       = "BSD-2-Clause"
+
+  spec.files         = [".gitignore", ".travis.yml", "Gemfile", "LICENSE.txt", "README.md", "Rakefile", "bin/console", "bin/setup", "forwardable.gemspec", "lib/forwardable.rb", "lib/forwardable/impl.rb"]
+  spec.bindir        = "exe"
+  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.require_paths = ["lib"]
+
+  spec.add_development_dependency "bundler"
+  spec.add_development_dependency "rake"
+end

tool/sync_default_gems.rb

@@ -31,6 +31,7 @@
 # * https://github.com/ruby/sync
 # * https://github.com/ruby/tracer
 # * https://github.com/ruby/shell
+# * https://github.com/ruby/forwardable
 #
 
 $repositories = {
@@ -64,7 +65,8 @@ $repositories = {
   irb: 'ruby/irb',
   sync: 'ruby/sync',
   tracer: 'ruby/tracer',
-  shell: 'ruby/shell'
+  shell: 'ruby/shell',
+  forwardable: "ruby/forwardable"
 }
 
 def sync_default_gems(gem)
@@ -202,16 +204,21 @@ def sync_default_gems(gem)
     `cp -rf ../tracer/lib/* lib`
     `cp -rf ../tracer/test/test_tracer.rb test`
     `cp -f ../tracer/tracer.gemspec lib`
-  when "rexml", "rss", "matrix", "irb", "csv", "shell", "logger", "ostruct", "scanf", "webrick", "fileutils"
+  when "rexml", "rss", "matrix", "irb", "csv", "shell", "logger", "ostruct", "scanf", "webrick", "fileutils", "forwardable"
     sync_lib gem
   else
   end
 end
 
 def sync_lib(repo)
-  `rm -rf lib/#{repo}.rb lib/#{repo}/* test/#{repo}`
+  `rm -rf lib/#{repo}.rb lib/#{repo}/* test/test_#{repo}.rb test/#{repo}`
   `cp -rf ../#{repo}/lib/* lib`
-  `cp -rf ../#{repo}/test/#{repo} test`
+  tests = if File.directory?("test/#{repo}")
+            "test/#{repo}"
+          else
+            "test/test_#{repo}.rb"
+          end
+  `cp -rf ../#{repo}/#{tests} test`
   gemspec = if File.directory?("lib/#{repo}")
               "lib/#{repo}/#{repo}.gemspec"
             else