From 3b631d0f73117af8b69b91b2ded557d07872c464 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 21 Jan 2021 00:55:47 +0900
Subject: [PATCH] Support `i` command in log-fix

---
 tool/lib/vcs.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tool/lib/vcs.rb b/tool/lib/vcs.rb
index dd662e0084..837e5c2c16 100644
--- a/tool/lib/vcs.rb
+++ b/tool/lib/vcs.rb
@@ -579,7 +579,8 @@ class VCS
               fix = $1
               s = s.lines
               fix.each_line do |x|
-                if %r[^ +(\d+)s/(.+)/(.*)/] =~ x
+                case x
+                when %r[^ +(\d+)s/(.+)/(.*)/]
                   begin
                     s[$1.to_i][$2] = $3
                   rescue IndexError
@@ -593,6 +594,8 @@ class VCS
                     end
                     raise message.join('')
                   end
+                when %r[^( +)(\d+)i/(.+)/]
+                  s[$2.to_i, 0] = "#{$1}#{$3}\n"
                 end
               end
               s = s.join('')