Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 9ba79c106145759de6b436dac2e4b8ff5a12bc2e Mon Sep 17 00:00:00 2001
|From: "Devin J. Pohly" <djpohly@gmail.com>
|Date: Fri, 9 Mar 2018 14:56:34 -0600
|Subject: [PATCH] Port Xresources patch by @dcat to st-git
|
|---
| config.def.h | 35 +++++++++++++++++++++++++++
| x.c          | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
| 2 files changed, 109 insertions(+), 4 deletions(-)
|
|diff --git a/config.def.h b/config.def.h
|index 82b1b09..471fe57 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 150.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/x.c b/x.c
|index d43a529..7f29cc2 100644
|--- a/x.c
|+++ b/x.c
--------------------------
Patching file x.c using Plan A...
Hunk #1 succeeded at 14.
Hunk #2 succeeded at 44.
Hunk #3 succeeded at 792.
Hunk #4 succeeded at 1013.
Hunk #5 succeeded at 1876.
Hunk #6 succeeded at 2002.
Hmm...  Ignoring the trailing garbage.
done