K 10
svn:author
V 3
imp
K 8
svn:date
V 27
2018-07-18T22:45:26.676628Z
K 7
svn:log
V 229
If rootdev is set, use it as currdev.

Setting rootdev in the enviornment should specify things
completely. If it is set, then have it override everything else.

PR: 229770
Differential Review: https://reviews.freebsd.org/D16322

END