Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From c19e14bef38548e3984a0135f6466f77d56b8d77 Mon Sep 17 00:00:00 2001
|From: Parker Ellertson <parkerellertson@airmail.cc>
|Date: Tue, 16 Oct 2018 12:27:29 -0600
|Subject: [PATCH] Applied externalpipe patch to current git version.
|
|---
| st.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
| st.h |  1 +
| 2 files changed, 54 insertions(+)
|
|diff --git a/st.c b/st.c
|index 46cf2da..2a34f83 100644
|--- a/st.c
|+++ b/st.c
--------------------------
Patching file st.c using Plan A...
Hunk #1 succeeded at 1980 (offset 2 lines).
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/st.h b/st.h
|index 38c61c4..fe56f49 100644
|--- a/st.h
|+++ b/st.h
--------------------------
Patching file st.h using Plan A...
Hunk #1 succeeded at 83.
Hmm...  Ignoring the trailing garbage.
done