Enclose with double quotation.

motion-appstore is asking my password every time.
Because my apple id is not an email and it's included a space; then it's divided two pieces.

command/utils.rb

@@ -50,7 +50,7 @@ def archive_path
 
   def password
     # retrive password from keychain which might be created by Xcode
-    `security find-internet-password -g -a #{@adc_id} -s idmsa.apple.com -r htps 2>&1`.each_line { |line|
+    `security find-internet-password -g -a \"#{@adc_id}\" -s idmsa.apple.com -r htps 2>&1`.each_line { |line|
       if line =~ /^password: "(.+)"$/
         return $1
       end