send_gem

# File lib/rubygems/commands/push_command.rb, line 52
  def send_gem name
    args = [:post, "api/v1/gems"]

    latest_rubygems_version = Gem.latest_rubygems_version

    if latest_rubygems_version < Gem.rubygems_version and
         Gem.rubygems_version.prerelease? and
         Gem::Version.new('2.0.0.rc.2') != Gem.rubygems_version then
      alert_error You are using a beta release of RubyGems (#{Gem::VERSION}) which is notallowed to push gems.  Please downgrade or upgrade to a release version.The latest released RubyGems version is #{latest_rubygems_version}You can upgrade or downgrade to the latest release version with:  gem update --system=#{latest_rubygems_version}
      terminate_interaction 1
    end

    gem_data = Gem::Package.new(name)

    unless @host then
      @host = gem_data.spec.metadata['default_gem_server']
    end

    push_host = nil

    if gem_data.spec.metadata.has_key?('allowed_push_host')
      push_host = gem_data.spec.metadata['allowed_push_host']
    end

    @host ||= push_host

    # Always include @host, even if it's nil
    args += [ @host, push_host ]

    say "Pushing gem to #{@host || Gem.host}..."

    response = rubygems_api_request(*args) do |request|
      request.body = Gem.read_binary name
      request.add_field "Content-Length", request.body.size
      request.add_field "Content-Type",   "application/octet-stream"
      request.add_field "Authorization",  api_key
    end

    with_response response
  end