Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 9858964ec2b1eeffe9e112cc8a6272efdc3ea8c3 Mon Sep 17 00:00:00 2001
|From: Alexis Ben Miloud--Josselin <alexis.bmj@protonmail.com>
|Date: Thu, 24 May 2018 10:52:00 +0200
|Subject: [PATCH] Do not set default chan when joinning
|
|---
| sic.c | 2 --
| 1 file changed, 2 deletions(-)
|
|diff --git a/sic.c b/sic.c
|index ecefaf2..b7efd7e 100644
|--- a/sic.c
|+++ b/sic.c
--------------------------
Patching file sic.c using Plan A...
Hunk #1 succeeded at 77.
Hmm...  Ignoring the trailing garbage.
done