tree e2bdbc5ccb0f047b04144be8439328784231ae1f
parent ff6345db828d87b0ffefd9a09c35bf03fcd94db4
author Chris Masone <cmasone@chromium.org> 1391905433 -0800
committer chrome-internal-fetch <chrome-internal-fetch@google.com> 1391920741 +0000

Clear stale shadow-utils lockfiles before building

If a build is killed in the middle, stale lockfiles for group and user
dbs might get left around. Clean them up in build_packages, build_image,
and update_chroot.

BUG=None
TEST=build_packages with a stale /etc/passwd.lock sitting around.

Change-Id: Ie9887b6b38ba92cc8c008ea15a2f44a0f312b758
Reviewed-on: https://chromium-review.googlesource.com/185605
Tested-by: Chris Masone <cmasone@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Chris Masone <cmasone@chromium.org>