Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From fe22e3d1434be1819fe0c0200d4a20967b02f3f6 Mon Sep 17 00:00:00 2001
|From: Felix Chen <sryvk.pura@protonmail.com>
|Date: Mon, 7 Sep 2020 11:45:01 +0800
|Subject: [PATCH] Place title in the middle of barwin
|
|---
| dwm.c | 7 +++++--
| 1 file changed, 5 insertions(+), 2 deletions(-)
|
|diff --git a/dwm.c b/dwm.c
|index 664c527..23e94f5 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 697.
Hunk #2 succeeded at 733.
Hmm...  Ignoring the trailing garbage.
done