Gem::Commands::PushCommand#execute

# File tmp/rubies/ruby-4.0.0/lib/rubygems/commands/push_command.rb, line 56
def execute
  gem_name = get_one_gem_name
  default_gem_server, push_host = get_hosts_for(gem_name)

  @host = if @user_defined_host
    options[:host]
  elsif default_gem_server
    default_gem_server
  elsif push_host
    push_host
  else
    options[:host]
  end

  sign_in @host, scope: get_push_scope

  send_gem(gem_name)
end