Download patch
ref: 5b4249105002f51a84e02d29f1678ad52cf2e96b parent: c44adda7a7ce4f2ee4babf384dc9d321d21e34ad author: kvik <kvik@a-b.xyz> date: Thu Apr 9 15:57:27 EDT 2020
Use mntgen(1) for branch scratch space