[ruby-cvs:50760] nobu:r43617 (trunk): rbinstall.rb: spec date from VCS

[nobu at ruby-lang.org]

nobu	2013-11-09 22:35:39 +0900 (Sat, 09 Nov 2013)

  New Revision: 43617

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43617

  Log:
    rbinstall.rb: spec date from VCS
    
    * tool/rbinstall.rb (Gem::Specification.load): obtain spec date from
      VCS for the case using git, RUBY_RELEASE_DATE is the last resort.
      probably fixes [Bug #9085].

  Modified files:
    trunk/ChangeLog
    trunk/tool/file2lastrev.rb
    trunk/tool/rbinstall.rb
    trunk/tool/vcs.rb