Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up dwm-6.2.1/config.def.h dwm-6.2/config.def.h
|--- dwm-6.2.1/config.def.h	2019-02-02 04:55:28.000000000 -0800
|+++ dwm-6.2/config.def.h	2019-07-12 11:40:50.530164308 -0700
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 5.
Hunk #2 succeeded at 71.
Hunk #3 succeeded at 119.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up dwm-6.2.1/dwm.1 dwm-6.2/dwm.1
|--- dwm-6.2.1/dwm.1	2019-02-02 04:55:28.000000000 -0800
|+++ dwm-6.2/dwm.1	2019-07-12 11:36:25.453487700 -0700
--------------------------
Patching file dwm.1 using Plan A...
Hunk #1 succeeded at 20.
Hunk #2 succeeded at 52.
Hunk #3 succeeded at 119.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up dwm-6.2.1/dwm.c dwm-6.2/dwm.c
|--- dwm-6.2.1/dwm.c	2019-02-02 04:55:28.000000000 -0800
|+++ dwm-6.2/dwm.c	2019-07-12 11:47:37.726846244 -0700
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 64.
Hunk #2 succeeded at 111.
Hunk #3 succeeded at 171.
Hunk #4 succeeded at 217.
Hunk #5 succeeded at 252.
Hunk #6 succeeded at 405.
Hunk #7 succeeded at 457.
Hunk #8 succeeded at 482.
Hunk #9 succeeded at 538.
Hunk #10 succeeded at 671.
Hunk #11 succeeded at 789.
Hunk #12 succeeded at 912.
Hunk #13 succeeded at 941.
Hunk #14 succeeded at 994.
Hunk #15 succeeded at 1385.
Hunk #16 succeeded at 1506.
Hunk #17 succeeded at 1701.
Hunk #18 succeeded at 1862.
Hunk #19 succeeded at 1983.
Hunk #20 succeeded at 1995.
Hunk #21 succeeded at 2258.
done