cli in rvm-1.0.15

- old
+ new
@@ -631,12 +631,16 @@
 
   __rvm_initialize
 
   __rvm_parse_args "$@"
 
-  rvm_action="${rvm_action:-usage}"
+  result=$?
 
-  result=0
+  if [[ $result -gt 0 ]] ; then
+    return $result
+  fi
+
+  rvm_action="${rvm_action:-usage}"
 
   export BUNDLE_PATH GEM_HOME GEM_PATH rvm_action rvm_archflags rvm_bin_flag rvm_bin_path rvm_clang_flag rvm_configure_flags rvm_debug_flag rvm_delete_flag rvm_docs_type rvm_dump_environment_flag rvm_error_message rvm_file_name rvm_gemdir_flag rvm_gemset_name rvm_head_flag rvm_install_arguments rvm_install_on_use_flag rvm_interactive_flag rvm_llvm_flag rvm_loaded_flag rvm_make_flags rvm_niceness rvm_only_path_flag rvm_parse_break rvm_patch_names rvm_patch_original_pwd rvm_pretty_print_flag rvm_prior_cc rvm_proxy rvm_quiet_flag rvm_ree_options rvm_reload_flag rvm_remove_flag rvm_ruby_alias rvm_ruby_aliases rvm_ruby_args rvm_ruby_file rvm_ruby_gem_home rvm_ruby_interpreter rvm_ruby_load_path rvm_ruby_make rvm_ruby_make_install rvm_ruby_patch_level rvm_ruby_repo_url rvm_ruby_require rvm_ruby_string rvm_ruby_strings rvm_ruby_version rvm_script_name rvm_sdk rvm_silent_flag rvm_system_flag rvm_token rvm_trace_flag rvm_use_flag rvm_user_flag rvm_verbose_flag rvm_wrapper_name
 
   case "$rvm_action" in
     use)             __rvm_use        ;;