Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 73f9b8a4563ff89953459feae5bdbda8bdff94e7 Mon Sep 17 00:00:00 2001
|From: Christopher Drelich <cd@cdrakka.com>
|Date: Thu, 24 May 2018 20:40:58 -0400
|Subject: [PATCH] Moved layout symbol to left-hand side.
|
|---
| dwm.c | 31 +++++++++++++++++--------------
| 1 file changed, 17 insertions(+), 14 deletions(-)
|
|diff --git a/dwm.c b/dwm.c
|index bb95e26..9a57082 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 431.
Hunk #2 succeeded at 717.
Hunk #3 succeeded at 730.
Hmm...  Ignoring the trailing garbage.
done