Promote resolv-replace to default gems

doc/maintainers.rdoc

@@ -48,8 +48,6 @@ Zachary Scott (zzak)
   Tanaka Akira (akr)
 [lib/prettyprint.rb]
   Tanaka Akira (akr)
-[lib/resolv-replace.rb]
-  Tanaka Akira (akr)
 [lib/rubygems.rb, lib/rubygems/*]
   Eric Hodel (drbrain), Hiroshi SHIBATA (hsbt)
   https://github.com/rubygems/rubygems
@@ -217,6 +215,9 @@ Zachary Scott (zzak)
 [lib/resolv.rb]
   Tanaka Akira (akr)
   https://github.com/ruby/resolv
+[lib/resolv-replace.rb]
+  Tanaka Akira (akr)
+  https://github.com/ruby/resolv-replace
 [lib/rdoc.rb, lib/rdoc/*]
   Eric Hodel (drbrain), Hiroshi SHIBATA (hsbt)
   https://github.com/ruby/rdoc

doc/standard_library.rdoc

@@ -14,7 +14,6 @@ MakeMakefile:: Module used to generate a Makefile for C extensions
 PP:: Provides a PrettyPrinter for Ruby objects
 PrettyPrinter:: Implements a pretty printing algorithm for readable structure
 RbConfig:: Information of your configure and build of Ruby
-resolv-replace.rb:: Replace Socket DNS with Resolv
 Gem:: Package management framework for Ruby
 Time:: Extends the Time class with methods for parsing and conversion
 un.rb:: Utilities to replace common UNIX commands
@@ -68,6 +67,7 @@ Prime:: Prime numbers and factorization library
 PStore:: Implements a file based persistence mechanism based on a Hash
 Racc:: A LALR(1) parser generator written in Ruby.
 Resolv::  Thread-aware DNS resolver library in Ruby
+resolv-replace.rb:: Replace Socket DNS with Resolv
 RDoc:: Produces HTML and command-line documentation for Ruby
 Rinda:: The Linda distributed computing paradigm in Ruby
 SecureRandom:: Interface for secure random number generator

lib/resolv-replace.gemspec

@@ -0,0 +1,24 @@
+Gem::Specification.new do |spec|
+  spec.name          = "resolv-replace"
+  spec.version       = "0.1.0"
+  spec.authors       = ["Tanaka Akira"]
+  spec.email         = ["akr@fsij.org"]
+
+  spec.summary       = %q{Replace Socket DNS with Resolv.}
+  spec.description   = %q{Replace Socket DNS with Resolv.}
+  spec.homepage      = "https://github.com/ruby/resolv-replace"
+  spec.required_ruby_version = Gem::Requirement.new(">= 2.3.0")
+  spec.licenses      = ["Ruby", "BSD-2-Clause"]
+
+  spec.metadata["homepage_uri"] = spec.homepage
+  spec.metadata["source_code_uri"] = spec.homepage
+
+  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_dependency "resolv"
+end

tool/sync_default_gems.rb

@@ -75,6 +75,7 @@ REPOSITORIES = {
   "open-uri": "ruby/open-uri",
   securerandom: "ruby/securerandom",
   resolv: "ruby/resolv",
+  "resolv-replace": "ruby/resolv-replace",
 }
 
 def sync_default_gems(gem)