Duplicate strings from environment hash to avoid issues with calls into ...

CHANGELOG.md

@@ -5,6 +5,7 @@ None
 
 Release: 0.2.0
 --------------
+* Fix invalid use of frozen string ENV block is used for user and domain
 * Update to WinRM 1.2.0 gem dependency
 
 Release: 0.1.0

lib/winrm-s/version.rb

@@ -17,6 +17,6 @@
 #
 
 module WinrmS
-  VERSION = "0.2.0.rc.0"
+  VERSION = "0.2.0"
   MAJOR, MINOR, TINY = VERSION.split('.')
 end

lib/winrm/win32/sspi.rb

@@ -160,8 +160,8 @@ def initialize(user = nil, domain = nil, password = nil)
         if user.nil? && domain.nil? && ENV["USERNAME"].nil? && ENV["USERDOMAIN"].nil?
           raise "A username or domain must be supplied since they cannot be retrieved from the environment"
         end
-        @user = user || ENV["USERNAME"]
-        @domain = domain || ENV["USERDOMAIN"]
+        @user = user || ENV["USERNAME"].dup
+        @domain = domain || ENV["USERDOMAIN"].dup
         @password = password
       end
 
@@ -253,4 +253,4 @@ def get_credentials
       end
     end
   end
-end
+end