Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -pu dwm.git/config.def.h dwm.functionalgapspertag/config.def.h
|--- dwm.git/config.def.h	2021-02-27 21:17:53.862314811 -0600
|+++ dwm.functionalgapspertag/config.def.h	2021-03-01 15:40:07.312696974 -0600
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 2.
Hunk #2 succeeded at 86.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -pu dwm.git/dwm.c dwm.functionalgapspertag/dwm.c
|--- dwm.git/dwm.c	2021-02-27 21:17:53.862314811 -0600
|+++ dwm.functionalgapspertag/dwm.c	2021-03-01 17:10:10.402964866 -0600
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 57.
Hunk #2 succeeded at 114.
Hunk #3 succeeded at 135.
Hunk #4 succeeded at 205 (offset -1 lines).
Hunk #5 succeeded at 278 (offset -1 lines).
Hunk #6 succeeded at 650 (offset -1 lines).
Hunk #7 succeeded at 661 (offset -1 lines).
Hunk #8 succeeded at 836 (offset -1 lines).
Hunk #9 succeeded at 1012 (offset -1 lines).
Hunk #10 succeeded at 1158 (offset -1 lines).
Hunk #11 succeeded at 1331 (offset -1 lines).
Hunk #12 succeeded at 1556 (offset -1 lines).
Hunk #13 succeeded at 1603 with fuzz 2 (offset -1 lines).
Hunk #14 failed at 1760.
Hunk #15 succeeded at 1839 (offset -2 lines).
Hunk #16 succeeded at 2161 (offset -1 lines).
1 out of 16 hunks failed
done