[ruby/irb] Repurpose the help command to display the help message

(https://github.com/ruby/irb/pull/872)

See #787 for more details.

https://github.com/ruby/irb/commit/d9192d92d0

1 files changed, 4 insertions, 15 deletions

diff --git a/lib/irb/cmd/help.rb b/lib/irb/cmd/help.rb
index 64b885c383..7f894688cc 100644
--- a/lib/irb/cmd/help.rb
+++ b/lib/irb/cmd/help.rb
@@ -1,23 +1,12 @@
 # frozen_string_literal: true
 
-require_relative "show_doc"
+require_relative "show_cmds"
 
 module IRB
   module ExtendCommand
-    class Help < ShowDoc
-      category "Context"
-      description "[DEPRECATED] Enter the mode to look up RI documents."
-
-      DEPRECATION_MESSAGE = <<~MSG
-        [Deprecation] The `help` command will be repurposed to display command help in the future.
-        For RI document lookup, please use the `show_doc` command instead.
-        For command help, please use `show_cmds` for now.
-      MSG
-
-      def execute(*names)
-        warn DEPRECATION_MESSAGE
-        super
-      end
+    class Help < ShowCmds
+      category "IRB"
+      description "List all available commands and their description."
     end
   end
 end