class Gem::Commands::SignoutCommand

def description # :nodoc:
  "The `signout` command is used to sign out from all current sessions,"\
  " allowing you to sign in using a different set of credentials."
end

def execute
  credentials_path = Gem.configuration.credentials_path
  if !File.exist?(credentials_path)
    alert_error "You are not currently signed in."
  elsif !File.writable?(credentials_path)
    alert_error "File '#{Gem.configuration.credentials_path}' is read-only."\
                " Please make sure it is writable."
  else
    Gem.configuration.unset_api_key!
    say "You have successfully signed out from all sessions."
  end
end

def initialize
  super "signout", "Sign out from all the current sessions."
end

def usage # :nodoc:
  program_name
end