Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up a/config.def.h b/config.def.h
|--- a/config.def.h	2020-07-04 13:56:23.316739958 +0200
|+++ b/config.def.h	2020-07-04 13:57:58.020554340 +0200
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 15.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up a/dwm.c b/dwm.c
|--- a/dwm.c	2020-07-04 13:56:23.316739958 +0200
|+++ b/dwm.c	2020-07-04 14:14:54.124590755 +0200
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 59.
Hunk #2 succeeded at 716.
Hunk #3 succeeded at 735.
done