Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From eea05f94baf707114ea882e8755520ba30d73cb2 Mon Sep 17 00:00:00 2001
|From: Szabolcs Szucs <contact@szabolcsszucs.com>
|Date: Sat, 26 Dec 2020 21:17:40 +0100
|Subject: [PATCH] attachbottom patch
|
|---
| dwm.c | 16 +++++++++++++---
| 1 file changed, 13 insertions(+), 3 deletions(-)
|
|diff --git a/dwm.c b/dwm.c
|index 664c527..7ee3566 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 147.
Hunk #2 succeeded at 408.
Hunk #3 succeeded at 1073.
Hunk #4 succeeded at 1428.
Hunk #5 succeeded at 1910.
Hmm...  Ignoring the trailing garbage.
done