From 4ee1f0fb5de08acd659ec18409fca433d1bf371a Mon Sep 17 00:00:00 2001
From: Gary Tou <gary@garytou.com>
Date: Fri, 1 Dec 2023 20:32:00 -0800
Subject: [ruby/irb] Implement `history` command
 (https://github.com/ruby/irb/pull/761)

* Implement `history` command

Lists IRB input history with indices. Also aliased as `hist`.

* Add tests for `history` command

* Address feedback: `puts` with multiple arguments instead of `join`ing

* Address feedback: Handle nil from splitting an empty input string

* Refactor line truncation

* Add `-g` grep option to `history` command

* Add `history` command to README

* Remove unused `*args` parameter

* Allow spaces to be included in grep

* Allow `/` to be included in grep regex

* Handle `input` being an empty string

* Exclude "#{index}: " from matching the grep regex

* Add new line after joining

https://github.com/ruby/irb/commit/3f9eacbfa9
---
 lib/irb/extend-command.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'lib/irb/extend-command.rb')

diff --git a/lib/irb/extend-command.rb b/lib/irb/extend-command.rb
index 514293a438..072069d4c4 100644
--- a/lib/irb/extend-command.rb
+++ b/lib/irb/extend-command.rb
@@ -191,6 +191,12 @@ module IRB # :nodoc:
       [
         :irb_show_cmds, :ShowCmds, "cmd/show_cmds",
         [:show_cmds, NO_OVERRIDE],
+      ],
+
+      [
+        :irb_history, :History, "cmd/history",
+        [:history, NO_OVERRIDE],
+        [:hist, NO_OVERRIDE],
       ]
     ]
 
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