Allow bin/* install from dot-dirs. Fixes rvm and multiruby installations.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28134 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu Jun  3 05:37:46 2010  Ryan Davis  <ryand-ruby@zenspider.com>
+
+	* tool/rbinstall.rb (install-bin): Allow bin/* install from dot-dirs.
+	  Fixes rvm and multiruby installations.
+
 Thu Jun  3 01:22:45 2010  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
 
 	* ext/tk/lib/tk.rb: fix typo and race condition.

tool/rbinstall.rb

@@ -404,7 +404,9 @@ install?(:local, :comm, :bin, :'bin-comm') do
   end
   for src in Dir[File.join(srcdir, "bin/*")]
     next unless File.file?(src)
-    next if /\/[.#]|(\.(old|bak|orig|rej|diff|patch|core)|~|\/core)$/i =~ src
+    s = src.downcase
+    next if %w(old bak orig rej diff patch core).include? File.extname(s)
+    next if /^\.\#|(~|core)$/i =~ File.basename(s)
 
     name = RbConfig.expand(trans[File.basename(src)])