appraise "latest-stable" do
  gem "vagrant", :git => 'git://github.com/mitchellh/vagrant.git', :tag => 'v1.6.3'
end

# Oldest (current release)
appraise "oldest-current" do
  gem "vagrant", :git => 'git://github.com/mitchellh/vagrant.git', :tag => 'v1.5.4'
end

# Latest patch (previous release)
appraise "previous-release" do
  gem "vagrant", :git => 'git://github.com/mitchellh/vagrant.git', :tag => 'v1.4.3'
end