https://git.ruby-lang.org/ruby.git/commit/?id=19a4c42d61

From 19a4c42d6124aa3bcdf2cd53d510b22acb2b5104 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 7 Jul 2019 18:54:17 +0900
Subject: Unescape #{} in the last commit title

Get rid of unknown escape sequence warning, as `#` is not a
special character in C.

```
version.c:126:26: warning: unknown escape sequence '\#' [-Wunknown-escape-sequence]
    fputs("last_commit=" RUBY_LAST_COMMIT_TITLE, stdout);
                         ^~~~~~~~~~~~~~~~~~~~~~
revision.h:4:42: note: expanded from macro 'RUBY_LAST_COMMIT_TITLE'
                                         ^~
```

diff --git a/tool/file2lastrev.rb b/tool/file2lastrev.rb
index 44c4318..eb0cd56 100755
--- a/tool/file2lastrev.rb
+++ b/tool/file2lastrev.rb
@@ -72,7 +72,8 @@ vcs = nil https://github.com/ruby/ruby/blob/trunk/tool/file2lastrev.rb#L72
           "#define RUBY_BRANCH_NAME #{name.dump}"
         end,
         if title
-          "#define RUBY_LAST_COMMIT_TITLE #{title.dump}"
+          title = title.dump.sub(/\\#/, '#')
+          "#define RUBY_LAST_COMMIT_TITLE #{title}"
         end,
         if modified
           modified.utc.strftime('#define RUBY_RELEASE_DATETIME "%FT%TZ"')
-- 
cgit v0.10.2


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