Andreas Ziegler c58c31bf99 base-files: sysupgrade: abort if config backup fails
Sysupgrade shouldn't proceed, if the backup of the configuration
fails because tar (or gzip) exit with a non-zero code.

Signed-off-by: Andreas Ziegler <dev@andreas-ziegler.de>
(backported from 72489ebeb65fd1e1d77e8d9fbe105827a98dbf03)
2018-12-18 10:27:36 +01:00
..