add deprecation for Slop::Commands

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/slop/commands.rb b/lib/slop/commands.rb
index 0e3184b..e62ef17 100644
--- a/lib/slop/commands.rb
+++ b/lib/slop/commands.rb
@@ -39,6 +39,10 @@ class Slop
       @banner = nil
       @triggered_command = nil
 
+      warn "[DEPRECATED] Slop::Commands is deprecated and will be removed in "\
+        "Slop version 4. Check out http://injekt.github.com/slop/#commands for "\
+        "a new implementation of commands."
+
       if block_given?
         block.arity == 1 ? yield(self) : instance_eval(&block)
       end