Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From d59a5a5409e4078c2c1b5ead786e1312d431c9a8 Mon Sep 17 00:00:00 2001
|From: blatzfab <fabian.blatz@hansgrohe.com>
|Date: Sun, 12 Jun 2022 18:42:28 +0200
|Subject: [PATCH] [PATCH] adds opacity on a per client basis
|
|---
| config.def.h | 10 +++++++---
| dwm.c        | 37 ++++++++++++++++++++++++++++++++++++-
| 2 files changed, 43 insertions(+), 4 deletions(-)
|
|diff --git a/config.def.h b/config.def.h
|index a2ac963..4b6903c 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 5.
Hunk #2 succeeded at 27.
Hunk #3 succeeded at 87.
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 5646a5c..591dff9 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 62.
Hunk #2 succeeded at 95.
Hunk #3 succeeded at 139.
Hunk #4 succeeded at 151.
Hunk #5 succeeded at 188.
Hunk #6 succeeded at 292.
Hunk #7 succeeded at 305.
Hunk #8 succeeded at 464.
Hunk #9 succeeded at 1066.
Hunk #10 succeeded at 1228.
Hunk #11 succeeded at 1603.
Hmm...  Ignoring the trailing garbage.
done