Gem::Package#verify_entry

# File tmp/rubies/ruby-4.1.0-preview1/lib/rubygems/package.rb, line 876
def verify_entry(entry)
  file_name = entry.full_name
  @files << file_name

  case file_name
  when /\.sig$/ then
    @signatures[$`] = limit_read(entry, file_name, 1024 * 1024) if @security_policy
    return
  else
    digest entry
  end

  load_spec_from_metadata entry
rescue StandardError
  warn "Exception while verifying #{@gem.path}"
  raise
end