def run
platforms, ruby_version = Bundler.ui.silence do
locked_ruby_version = Bundler.locked_gems && Bundler.locked_gems.ruby_version
gemfile_ruby_version = Bundler.definition.ruby_version && Bundler.definition.ruby_version.single_version_string
[Bundler.definition.platforms.map {|p| "* #{p}" },
locked_ruby_version || gemfile_ruby_version]
end
output = []
if options[:ruby]
if ruby_version
output << ruby_version
else
output << "No ruby version specified"
end
else
output << "Your platform is: #{RUBY_PLATFORM}"
output << "Your app has gems that work on these platforms:\n#{platforms.join("\n")}"
if ruby_version
output << "Your Gemfile specifies a Ruby version requirement:\n* #{ruby_version}"
begin
Bundler.definition.validate_runtime!
output << "Your current platform satisfies the Ruby version requirement."
rescue RubyVersionMismatch => e
output << e.message
end
else
output << "Your Gemfile does not specify a Ruby version requirement."
end
end
Bundler.ui.info output.join("\n\n")
end