From b47e9b4df9e94009d59cc9e5b3e0dac5d8990962 Mon Sep 17 00:00:00 2001
From: Matthieu Prat <matthieuprat@gmail.com>
Date: Fri, 10 Jan 2025 15:54:34 +0000
Subject: [PATCH] Fix help message of the `eval` command

When running the `eval` command (or its alias, `call`) without an
argument, you get the following error:

```
[REPL ERROR] #<NameError: undefined local variable or method `cmd' for #<DEBUGGER__::Session:0x0000000120a0fa20>>
  debug-1.10.0/lib/debug/session.rb:934:in `block in register_default_command'
  debug-1.10.0/lib/debug/session.rb:1165:in `process_command'
  ...
```

...instead of this hint:

```
To evaluate the variable `eval`, use `pp eval` instead.
```

I believe the regression was introduced in a402e73.

To fix this issue, I was thinking of passing the command name alongside
the argument in the `process_line` method but I wasn't sure this was
worth it just for this hint. So I removed the hint altogether instead.
---
 lib/debug/session.rb | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/debug/session.rb b/lib/debug/session.rb
index 05dc7f508..ff53610c1 100644
--- a/lib/debug/session.rb
+++ b/lib/debug/session.rb
@@ -931,7 +931,6 @@ def register_default_command
       register_command 'eval', 'call' do |arg|
         if arg == nil || arg.empty?
           show_help 'eval'
-          @ui.puts "\nTo evaluate the variable `#{cmd}`, use `pp #{cmd}` instead."
           :retry
         else
           request_eval :call, arg