* tool/make-snapshot: show sha1 digest when making packages.
  it's request from https://github.com/ruby/www.ruby-lang.org/issues/921
  [fix GH-794]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49032 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-12-27

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49033 b2dd03c8-39d4-4d8f-98ff-823fe69b080e