udev-cache: Update cache tarball atomically
Overwriting the tarball in-place could cause a partial write, if the
system stops at an inopportune time. This is mitigated by first writing
to a temporary file, then moving that file on top of the final location.
(From OE-Core rev:
5dbf43fe32a1cf259f9379a7d2c008260eabf3ac)
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Ben Shelton <ben.shelton@ni.com>
Acked-by: Gratian Crisan <gratian.crisan@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>