Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From e8f3c86d93613eef5af187dfd2dba9ae9919a2ee Mon Sep 17 00:00:00 2001
|From: =?UTF-8?q?Rapha=C3=ABl=20Proust?= <code@bnwr.net>
|Date: Sun, 27 Jan 2019 13:31:28 +0800
|Subject: [PATCH] Show bold not as bright
|
|---
| x.c | 4 ----
| 1 file changed, 4 deletions(-)
|
|diff --git a/x.c b/x.c
|index 0422421..904e1dc 100644
|--- a/x.c
|+++ b/x.c
--------------------------
Patching file x.c using Plan A...
Hunk #1 succeeded at 1296.
Hmm...  Ignoring the trailing garbage.
done