Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 3904d7521ef64938b2a8b7fb06ef5a5223d3f62b Mon Sep 17 00:00:00 2001
|From: Jack Bird <jack.bird@durham.ac.uk>
|Date: Fri, 27 Aug 2021 00:04:45 +0100
|Subject: [PATCH] 6.2 swallow patch
|
|---
| config.def.h |   9 +-
| config.mk    |   3 +-
| dwm.c        | 235 +++++++++++++++++++++++++++++++++++++++++++++++++--
| 3 files changed, 237 insertions(+), 10 deletions(-)
|
|diff --git a/config.def.h b/config.def.h
|index 1c0b587..fe51476 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 3.
Hunk #2 succeeded at 27.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/config.mk b/config.mk
|index 6d36cb7..5d136bc 100644
|--- a/config.mk
|+++ b/config.mk
--------------------------
Patching file config.mk using Plan A...
Hunk #1 succeeded at 19.
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..66bd0ed 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 40.
Hunk #2 succeeded at 98.
Hunk #3 succeeded at 146.
Hunk #4 succeeded at 244.
Hunk #5 succeeded at 284.
Hunk #6 succeeded at 315.
Hunk #7 succeeded at 433.
Hunk #8 succeeded at 719.
Hunk #9 succeeded at 1087.
Hunk #10 succeeded at 1108.
Hunk #11 succeeded at 1145.
Hunk #12 succeeded at 1839.
Hunk #13 succeeded at 1867.
Hunk #14 succeeded at 2135.
Hunk #15 succeeded at 2356.
Hmm...  Ignoring the trailing garbage.
done