Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From c605c7f4c3f421ef5b6f12031b07abe713cd8183 Mon Sep 17 00:00:00 2001
|From: MLquest8 <miskuzius@gmail.com>
|Date: Sun, 14 Jun 2020 13:06:31 +0400
|Subject: [PATCH] resizehints-ruled. Modified to properly read the rules and
| apply as needed. Behavior for clients that aren't found in rules struct is
| remains the same.
|
|---
| config.def.h |  2 ++
| dwm.c        | 34 +++++++++++++++++++++++++++++++++-
| 2 files changed, 35 insertions(+), 1 deletion(-)
|
|diff --git a/config.def.h b/config.def.h
|index 1c0b587..1d55286 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 29.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dwm.c b/dwm.c
|index 9fd0286..f0f569e 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 149.
Hunk #2 succeeded at 456 (offset -1 lines).
Hunk #3 succeeded at 1976 (offset -2 lines).
Hunk #4 succeeded at 2009 (offset -1 lines).
Hmm...  Ignoring the trailing garbage.
done