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

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# frozen_string_literal: true
if Gem::Version.new(RUBY_VERSION) < Gem::Version.new("2.5.0") && RUBY_ENGINE == "ruby"
desc = defined?(RUBY_DESCRIPTION) ? RUBY_DESCRIPTION : "ruby #{RUBY_VERSION} (#{RUBY_RELEASE_DATE})"
abort <<-end_message
Rails 6 requires Ruby 2.5.0 or newer.
You're running
#{desc}
Please upgrade to Ruby 2.5.0 or newer to continue.
end_message
end