Promote weakref to the default gems

lib/weakref/version.rb

@@ -0,0 +1,3 @@
+module Weakref
+  VERSION = "0.1.0"
+end

lib/weakref/weakref.gemspec

@@ -0,0 +1,31 @@
+lib = File.expand_path("lib", __dir__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require "weakref/version"
+
+Gem::Specification.new do |spec|
+  spec.name          = "weakref"
+  spec.version       = Weakref::VERSION
+  spec.authors = ["Yukihiro Matsumoto"]
+  spec.email = ["matz@ruby-lang.org"]
+
+  spec.summary       = %q{TODO: Write a short summary, because RubyGems requires one.}
+  spec.description   = %q{TODO: Write a longer description or delete this line.}
+  spec.homepage      = "https://github.com/ruby/weakref"
+
+  spec.metadata["homepage_uri"] = spec.homepage
+  spec.metadata["source_code_uri"] = "https://github.com/ruby/weakref"
+  spec.license       = "BSD-2-Clause"
+
+  # Specify which files should be added to the gem when it is released.
+  # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
+  spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
+    `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+  end
+  spec.bindir        = "exe"
+  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.require_paths = ["lib"]
+
+  spec.add_development_dependency "bundler", "~> 2.0"
+  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "minitest", "~> 5.0"
+end

tool/sync_default_gems.rb

@@ -55,6 +55,7 @@
 # * https://github.com/ruby/uri
 # * https://github.com/ruby/openssl
 # * https://github.com/ruby/did_you_mean
+# * https://github.com/ruby/weakref
 #
 
 require 'fileutils'
@@ -107,7 +108,8 @@ $repositories = {
   yaml: "ruby/yaml",
   uri: "ruby/uri",
   openssl: "ruby/openssl",
-  did_you_mean: "ruby/did_you_mean"
+  did_you_mean: "ruby/did_you_mean",
+  weakref: "ruby/weakref",
 }
 
 def sync_default_gems(gem)