From 6963e682f884d0c4f2972bcc89f69d9b6f756108 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 26 Jan 2021 10:04:12 +0900
Subject: [PATCH] vcs.rb: support `d` command in log-fix

---
 tool/lib/vcs.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tool/lib/vcs.rb b/tool/lib/vcs.rb
index 282ce91dd3..5a33d87411 100644
--- a/tool/lib/vcs.rb
+++ b/tool/lib/vcs.rb
@@ -597,6 +597,9 @@ class VCS
                   end
                 when %r[^( +)(\d+)i/(.*)/]
                   s[$2.to_i, 0] = "#{$1}#{$3}\n"
+                when %r[^ +(\d+)(?:,(\d+))?d]
+                  n = $1.to_i
+                  s[n..($2&.to_i || n)] = []
                 end
               end
               s = s.join('')