* lib/fileutils.rb (FileUtils::LowMethods): make low level methods

  in NoWrite and DryRun to do nothing.  [ruby-dev:43129]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30787 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/fileutils.rb b/lib/fileutils.rb
index 73e2bfe3c3..1023ae3063 100644
--- a/lib/fileutils.rb
+++ b/lib/fileutils.rb
@@ -1519,6 +1519,12 @@ module FileUtils
     OPT_TABLE.keys.select {|m| OPT_TABLE[m].include?(opt) }
   end
 
+  LOW_METHODS = singleton_methods(false) - collect_method(:noop).map(&:intern)
+  module LowMethods
+    module_eval("private\n" + ::FileUtils::LOW_METHODS.map {|name| "def #{name}(*)end"}.join("\n"),
+                __FILE__, __LINE__)
+  end
+
   METHODS = singleton_methods() - [:private_module_function,
       :commands, :options, :have_option?, :options_of, :collect_method]
 
@@ -1554,6 +1560,7 @@ module FileUtils
   #
   module NoWrite
     include FileUtils
+    include LowMethods
     @fileutils_output  = $stderr
     @fileutils_label   = ''
     ::FileUtils.collect_method(:noop).each do |name|
@@ -1580,6 +1587,7 @@ module FileUtils
   #
   module DryRun
     include FileUtils
+    include LowMethods
     @fileutils_output  = $stderr
     @fileutils_label   = ''
     ::FileUtils.collect_method(:noop).each do |name|