command/login: Store user/pass on client

Will allow us to prompt for other info without forgetting this data.

plugins/commands/login/client.rb

@@ -7,6 +7,9 @@ module VagrantPlugins
     class Client
       include Vagrant::Util::Presence
 
+      attr_accessor :username_or_email
+      attr_accessor :password
+
       # Initializes a login client with the given Vagrant::Environment.
       #
       # @param [Vagrant::Environment] env
@@ -40,11 +43,9 @@ module VagrantPlugins
       # Login logs a user in and returns the token for that user. The token
       # is _not_ stored unless {#store_token} is called.
       #
-      # @param [String] username_or_email
-      # @param [String] password
       # @param [String] description
       # @return [String] token The access token, or nil if auth failed.
-      def login(username_or_email, password, description: nil)
+      def login(description: nil)
         @logger.info("Logging in '#{username_or_email}'")
 
         with_error_handling do

plugins/commands/login/command.rb

@@ -17,6 +17,10 @@ module VagrantPlugins
             options[:check] = c
           end
 
+          o.on("-d", "--description DESCRIPTION", String, "Description for the Vagrant Cloud token") do |t|
+            options[:description] = t
+          end
+
           o.on("-k", "--logout", "Logs you out if you're logged in") do |k|
             options[:logout] = k
           end
@@ -24,6 +28,10 @@ module VagrantPlugins
           o.on("-t", "--token TOKEN", String, "Set the Vagrant Cloud token") do |t|
             options[:token] = t
           end
+
+          o.on("-u", "--username USERNAME_OR_EMAIL", String, "Specify your Vagrant Cloud username or email address") do |t|
+            options[:login] = t
+          end
         end
 
         # Parse the options
@@ -31,6 +39,7 @@ module VagrantPlugins
         return if !argv
 
         @client = Client.new(@env)
+        @client.username_or_email = options[:login]
 
         # Determine what task we're actually taking based on flags
         if options[:check]
@@ -50,25 +59,30 @@ module VagrantPlugins
         end
 
         # Ask for the username
-        login       = nil
-        password    = nil
-        description = nil
-        while !login
-          login = @env.ui.ask("Vagrant Cloud Username: ")
+        if @client.username_or_email
+          @env.ui.output("Vagrant Cloud username or email: #{@client.username_or_email}")
+        end
+        until @client.username_or_email
+          @client.username_or_email = @env.ui.ask("Vagrant Cloud username or email: ")
         end
 
-        while !password
-          password = @env.ui.ask("Password (will be hidden): ", echo: false)
+        until @client.password
+          @client.password = @env.ui.ask("Password (will be hidden): ", echo: false)
         end
 
+        description = options[:description]
+        if description
+          @env.ui.output("Token description: #{description}")
+        else
           description_default = "Vagrant login from #{Socket.gethostname}"
-        while !description
+          until description
             description =
               @env.ui.ask("Token description (Defaults to #{description_default.inspect}): ")
           end
           description = description_default if description.empty?
+        end
 
-        token = @client.login(login, password, description: description)
+        token = @client.login(description: description)
         if !token
           @env.ui.error(I18n.t("login_command.invalid_login"))
           return 1