Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From ac7558081ea5f576ef2ed09c1817d2722baa92fd Mon Sep 17 00:00:00 2001
|From: =?UTF-8?q?Stanislaw=20H=C3=BCll?= <st@nislaw.de>
|Date: Sun, 21 Feb 2021 10:27:10 +0100
|Subject: [PATCH] dynamicswallow patch
|
|---
| Makefile     |   3 +
| config.def.h |   7 +
| dwm.c        | 602 +++++++++++++++++++++++++++++++++++++++++++++++++--
| dwmswallow   | 120 ++++++++++
| util.c       |  30 +++
| util.h       |   1 +
| 6 files changed, 740 insertions(+), 23 deletions(-)
| create mode 100755 dwmswallow
|
|diff --git a/Makefile b/Makefile
|index 77bcbc0..8bd79c8 100644
|--- a/Makefile
|+++ b/Makefile
--------------------------
Patching file Makefile using Plan A...
Hunk #1 succeeded at 40.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/config.def.h b/config.def.h
|index 1c0b587..39e07a8 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 31.
Hunk #2 succeeded at 89.
Hunk #3 succeeded at 113.
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 664c527..390ef30 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 58.
Hunk #2 succeeded at 66.
Hunk #3 succeeded at 96.
Hunk #4 succeeded at 143.
Hunk #5 succeeded at 189.
Hunk #6 succeeded at 232.
Hunk #7 succeeded at 264.
Hunk #8 succeeded at 303.
Hunk #9 succeeded at 621.
Hunk #10 succeeded at 654.
Hunk #11 succeeded at 669.
Hunk #12 succeeded at 694.
Hunk #13 succeeded at 794.
Hunk #14 succeeded at 852.
Hunk #15 succeeded at 1236.
Hunk #16 succeeded at 1382.
Hunk #17 succeeded at 1410.
Hunk #18 succeeded at 1740.
Hunk #19 succeeded at 1827.
Hunk #20 succeeded at 2267.
Hunk #21 succeeded at 2292.
Hunk #22 succeeded at 2354.
Hunk #23 succeeded at 2579.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dwmswallow b/dwmswallow
|new file mode 100755
|index 0000000..9400606
|--- /dev/null
|+++ b/dwmswallow
--------------------------
(Creating file dwmswallow...)
Patching file dwmswallow using Plan A...
Empty context always matches.
Hunk #1 succeeded at 1.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/util.c b/util.c
|index fe044fc..1f51877 100644
|--- a/util.c
|+++ b/util.c
--------------------------
Patching file util.c using Plan A...
Hunk #1 succeeded at 33.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/util.h b/util.h
|index f633b51..670345f 100644
|--- a/util.h
|+++ b/util.h
--------------------------
Patching file util.h using Plan A...
Hunk #1 succeeded at 6.
Hmm...  Ignoring the trailing garbage.
done