* tool/vcs.rb (VCS#get_revisions): discard error messages for all
VCS not only SVN.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* tool/rbinstall.rb (Gem::Specification.last_date): skip if failed to
get info from VCS, for example, in the case circumstance sharing working
directory with another machine and run vcs tools cannot work.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43624 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 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].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43617 b2dd03c8-39d4-4d8f-98ff-823fe69b080e