tree df16939caed5f5a77a81c6038f20631da6cc8cfe
parent 85e5e9dcf2dca0f3589161ad231b0d4053102c05
author Mike Frysinger <vapier@chromium.org> 1622188174 -0400
committer Commit Bot <commit-bot@chromium.org> 1622842276 +0000

image_signing: set_lsb_release: simplify file rewriting

Collapse the 4 sudo calls & temporary file into a single call.
This is a bit easier to read and is faster as a result.

We can also hoist the selinux restore to do it only once at the
end if we modified the file.

BUG=None
TEST=set_lsb_release.sh on an image still works
BRANCH=None

Change-Id: I300cf47d017d159d762a62fe2aab789ce391f89a
Signed-off-by: Mike Frysinger <vapier@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/2923826
Reviewed-by: George Engelbrecht <engeg@google.com>