Gem::Util.gzip

# File tmp/rubies/ruby-4.0.0/lib/rubygems/util.rb, line 29
def self.gzip(data)
  require "zlib"
  require "stringio"
  zipped = StringIO.new(String.new, "w")
  zipped.set_encoding Encoding::BINARY

  Zlib::GzipWriter.wrap zipped do |io|
    io.write data
  end

  zipped.string
end