Merge fileutils from ruby/fileutils on GitHub.

* It was separated version file for gemspec.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65207 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/fileutils.rb

@@ -6,6 +6,9 @@ rescue LoadError
   # for make mjit-headers
 end
 
+require "fileutils/version"
+
+#
 # = fileutils.rb
 #
 # Copyright (c) 2000-2007 Minero Aoki
@@ -62,7 +65,7 @@ end
 #
 # There are some `low level' methods, which do not accept any option:
 #
-#   FileUtils.copy_entry(src, dest, preserve = false, dereference = false)
+#   FileUtils.copy_entry(src, dest, preserve = false, dereference_root = false, remove_destination = false)
 #   FileUtils.copy_file(src, dest, preserve = false, dereference = true)
 #   FileUtils.copy_stream(srcstream, deststream)
 #   FileUtils.remove_entry(path, force = false)
@@ -89,11 +92,9 @@ end
 # This module has all methods of FileUtils module, but never changes
 # files/directories.  This equates to passing the <tt>:noop</tt> and
 # <tt>:verbose</tt> flags to methods in FileUtils.
-
+#
 module FileUtils
 
-  VERSION = "1.1.0"
-
   def self.private_module_function(name)   #:nodoc:
     module_function name
     private_class_method name

lib/fileutils/fileutils.gemspec

@@ -1,13 +1,20 @@
 # frozen_string_literal: true
 
+begin
+  require_relative "lib/fileutils/version"
+rescue LoadError
+  # for Ruby core repository
+  require_relative "version"
+end
+
 Gem::Specification.new do |s|
   s.name = "fileutils"
-  s.version = '1.1.0'
+  s.version = FileUtils::VERSION
   s.summary = "Several file utility methods for copying, moving, removing, etc."
   s.description = "Several file utility methods for copying, moving, removing, etc."
 
   s.require_path = %w{lib}
-  s.files = [".gitignore", ".travis.yml", "Gemfile", "LICENSE.txt", "README.md", "Rakefile", "bin/console", "bin/setup", "fileutils.gemspec", "lib/fileutils.rb"]
+  s.files = [".gitignore", ".travis.yml", "Gemfile", "LICENSE.txt", "README.md", "Rakefile", "bin/console", "bin/setup", "fileutils.gemspec", "lib/fileutils.rb", "lib/fileutils/version.rb"]
   s.required_ruby_version = ">= 2.3.0"
 
   s.authors = ["Minero Aoki"]

lib/fileutils/version.rb

@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+module FileUtils
+  VERSION = "1.1.0"
+end