Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From b47a32da69a1bb6f60b9c81619f3e504278cc780 Mon Sep 17 00:00:00 2001
|From: Leonardo-Boss <70913810+Leonardo-Boss@users.noreply.github.com>
|Date: Tue, 3 Oct 2023 12:33:58 -0300
|Subject: [PATCH] pertag with last selection
|
|---
| dwm.c | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
| 1 file changed, 90 insertions(+), 7 deletions(-)
|
|diff --git a/dwm.c b/dwm.c
|index f1d86b2..0e4d444 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 111.
Hunk #2 succeeded at 131.
Hunk #3 succeeded at 273.
Hunk #4 succeeded at 646.
Hunk #5 succeeded at 657.
Hunk #6 succeeded at 835.
Hunk #7 succeeded at 1008.
Hunk #8 succeeded at 1539.
Hunk #9 succeeded at 1560.
Hunk #10 succeeded at 1743.
Hunk #11 succeeded at 1782.
Hunk #12 succeeded at 1830.
Hunk #13 succeeded at 2110.
Hmm...  Ignoring the trailing garbage.
done