Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 69f91089d9248fa9695eb925956e255a215171b8 Mon Sep 17 00:00:00 2001
|From: bakkeby <bakkeby@gmail.com>
|Date: Tue, 7 Apr 2020 12:29:08 +0200
|Subject: [PATCH] Adding 6.2 center patch with multi-monitor fix and
| auto-centering of floating popup windows
|---
| config.def.h |  6 +++---
| dwm.c        | 13 +++++++++++--
| 2 files changed, 14 insertions(+), 5 deletions(-)
|
|diff --git a/config.def.h b/config.def.h
|index 1c0b587..44b46e5 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 26.
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 4465af1..ab33757 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 92.
Hunk #2 succeeded at 137.
Hunk #3 succeeded at 286.
Hunk #4 succeeded at 299.
Hunk #5 succeeded at 1059.
Hunk #6 succeeded at 2016.
Hmm...  Ignoring the trailing garbage.
done