nobu bcfb4569aa ifchange: no overwrite with an empty file
* tool/ifchange, win32/ifchange.bat: do not overwrite with an empty
  file by default, and add --empty option to force it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43519 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-11-03 12:40:24 +00:00
..
2013-06-16 08:24:09 +00:00
2013-10-02 18:37:52 +00:00
2013-09-13 07:28:23 +00:00
2013-09-20 14:24:10 +00:00