capistrano.rb in rvm-capistrano-1.3.0.rc7

- old
+ new

@@ -102,11 +102,11 @@
 
     # Pass no special params to the ruby build by default
     _cset(:rvm_install_ruby_params, '')
 
     # Additional rvm packages to install.
-    _cset(:rvm_install_pkgs, '')
+    _cset(:rvm_install_pkgs, [])
 
     # By default system installations add deploying user to rvm group. also try :all
     _cset(:rvm_add_to_group, fetch(:user,"$USER"))
 
     namespace :rvm do
@@ -278,10 +278,10 @@
       rvm_task :uninstall_gem do
         run "#{File.join(rvm_bin_path, "rvm")} #{rvm_ruby_string} do gem uninstall --no-executables #{ENV['GEM']}", :shell => "#{rvm_install_shell}"
       end
 
     end
-  end if const_defined? :Configuration
+  end if Capistrano.const_defined? :Configuration and Capistrano::Configuration.methods.map(&:to_sym).include? :instance
 end
 
 # E.g, to use ree and rails 3:
 #
 #   require 'rvm/capistrano'