rails--rails/railties/lib/rails/ruby_version_check.rb

14 lines
311 B
Ruby

if RUBY_VERSION < '1.9.3'
desc = defined?(RUBY_DESCRIPTION) ? RUBY_DESCRIPTION : "ruby #{RUBY_VERSION} (#{RUBY_RELEASE_DATE})"
abort <<-end_message
Rails 4 prefers to run on Ruby 2.1 or newer.
You're running
#{desc}
Please upgrade to Ruby 1.9.3 or newer to continue.
end_message
end