nobu	2019-04-05 21:44:04 +0900 (Fri, 05 Apr 2019)

  New Revision: 67448

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=67448

  Log:
    downloader.rb: quote base name

  Modified files:
    trunk/tool/downloader.rb
Index: tool/downloader.rb
===================================================================
--- tool/downloader.rb	(revision 67447)
+++ tool/downloader.rb	(revision 67448)
@@ -88,7 +88,7 @@ class Downloader https://github.com/ruby/ruby/blob/trunk/tool/downloader.rb#L88
           INDEX[:index] = IO.read index_file
         end
         file_base = File.basename(name, '.txt')
-        beta_name = INDEX[:index].match(/#{file_base}(-[0-9.]+d\d+)?\.txt/)[0]
+        beta_name = INDEX[:index][%/#{Regexp.quote(file_base)}(-[0-9.]+d\d+)?\.txt/]
         # make sure we always check for new versions of files,
         # because they can easily change in the beta period
         super(UNICODE_PUBLIC+name_dir_part+beta_name, name, dir, true, options)

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