Warn missing irb cases

Merged: https://github.com/ruby/ruby/pull/11560
2024-09-06 13:26:50 +09:00 · 2024-09-06 13:26:50 +09:00 · 74c4e562e2 · 2024-09-06 05:45:36 +00:00
commit 74c4e562e2
parent 1b4f394c52
1 changed files with 5 additions and 1 deletions
--- a/prelude.rb
+++ b/prelude.rb
@ -1,7 +1,11 @@
 class Binding
  # :nodoc:
  def irb
-    force_activate "irb" if defined?(Bundler) && !Gem.loaded_specs["irb"]
+    if defined?(Bundler) && !Gem.loaded_specs["irb"]
+      unless force_activate "irb"
+        warn "irb is not found. Install irb from RubyGems or add irb to Gemfile."
+      end
+    end
    require 'irb'
    irb
  end