Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 554f5a8a2205a7c52280babf5685462d8991b038 Mon Sep 17 00:00:00 2001
|From: Suleyman Farajli <suleyman@farajli.net>
|Date: Sat, 31 Aug 2024 13:34:58 +0400
|Subject: [PATCH] prevent focus shifting when a window is spawned in fullscreen
|
|---
| dwm.c | 2 ++
| 1 file changed, 2 insertions(+)
|
|diff --git a/dwm.c b/dwm.c
|index f1d86b2..31b5d07 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 1080.
Hmm...  Ignoring the trailing garbage.
done