git format-patch displays weird chars when filename includes non-ascii chars

From

YYongmin <revi@omglol.email>

Date

May 14, 2024, 15:31 UTC

Message-ID

<ea41a92d-35df-4b71-be70-a736d620b21f@app.fastmail.com>

Hi everybody,

When the file name has non-ascii characters, the file name gets mangled somehow. Is this anything from my config side error or something gone weird with git?

 Steps to reproduce;
$ git init
$ echo 'BlahBlah' > 테스트.txt
$ git add 테스트.txt
$ git commit -m 'test commit'
$ git format-patch --root
0001-test-commit.patch
$ cat 0001-test-commit.patch

From d2aa2b2f5aa290edec6a5fd141318a479ac9de8e Mon Sep 17 00:00:00 2001
From: Yongmin Hong <revi@omglol.email>
Date: Tue, 14 May 2024 15:15:52 +0000
Subject: [PATCH] test commit

diff --git "a/\355\205\214\354\212\244\355\212\270.txt" "b/\355\205\214\354\212\244\355\212\270.txt"
new file mode 100644
index 0000000..86724be
--- /dev/null
+++ "b/\355\205\214\354\212\244\355\212\270.txt"
@@ -0,0 +1 @@
+BlahBlah

-- 
2.32.7

I searched a bit with the keyword 'format-patch ascii' but couldn't find anything useful.
Thanks in advance!
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