tree 72f2beb83319db6121fd010e1b96a99ea0842917
parent 4d5da9695406be8a925327642b1295c3e950f4e1
author Shenghou Ma <minux@golang.org> 1457493630 -0500
committer Minux Ma <minux@golang.org> 1457494308 +0000

cmd/builder: pass $HOME to child

It's needed by new os/user test.

Change-Id: I9dfe7c2a1c17e2cdc2d034c5cfc669e4aabd358d
Reviewed-on: https://go-review.googlesource.com/20480
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>