* instruby.rb (makedirs): make same directory only once even if

  dryrun.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 13 insertions, 2 deletions

diff --git a/instruby.rb b/instruby.rb
index 943bfabc36..7833076f67 100644
--- a/instruby.rb
+++ b/instruby.rb
@@ -53,10 +53,21 @@ include FileUtils::NoWrite if $dryrun
 alias makelink ln_sf
 class << self
   body = proc {|*args|super(*args<<:verbose)}
-  for func in [:install, :makedirs, :makelink]
+  for func in [:install, :makelink]
     define_method(func, body)
   end
 end
+$made_dirs = {}
+def makedirs(dirs)
+  dirs = fu_list(dirs)
+  dirs.reject! do |dir|
+    $made_dirs.fetch(dir) do
+      $made_dirs[dir] = true
+      File.directory?(dir)
+    end
+  end
+  super(dirs, :verbose) unless dirs.empty?
+end
 
 exeext = CONFIG["EXEEXT"]
 
@@ -151,7 +162,7 @@ end
 
 Dir.glob("lib/**/*{.rb,help-message}") do |f|
   dir = File.dirname(f).sub!(/\Alib/, rubylibdir) || rubylibdir
-  makedirs dir unless File.directory? dir
+  makedirs dir
   install f, dir, 0644
 end