if the tag is already checked out, to optimize the execution time.
I'm going to prepare a task depending on this tool, and I want that to
finish fast and output nothing when it's already up-to-date.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63883 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* tool/git-refresh: unset variable `branch` if it is null, to get
rid of substitutions which are not supported old Solaris.
[ruby-dev:50102] [Bug #13522]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58507 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* tool/git-refresh: try `cd -P` in a subshell, because Solaris10
sh dies if it fails, not only the command.
[ruby-dev:50074] [Bug #13433]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58344 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* tool/git-refresh: get rid of matching prefix pattern removal for
old sh. [ruby-dev:50069] [Bug #13424]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58325 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* tool/git-refresh: parse options without git-rev-parse, which is
old on travis.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58218 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* tool/git-refresh: tool to clone or update git working directory.
* Makefile.in: use git-refresh.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58217 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
k0kubun
nobu