This explicitly tells procd what backup file should be used during
sysupgrade (if any). It's much more generic this way compared to the
magic /tmp/sysupgrade.tgz file that had to be created before a call.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit
c5223b26a40ae61fc7750bf865464048af328ab1)
else
force_attr=""
[ $FORCE -eq 1 ] && force_attr="\"force\": true,"
+ backup_attr=""
+ [ $SAVE_CONFIG -eq 1 ] && backup_attr="\"backup\": $(json_string $CONF_TAR),"
ubus call system sysupgrade "{
\"prefix\": $(json_string "$RAM_ROOT"),
\"path\": $(json_string "$IMAGE"),
$force_attr
+ $backup_attr
\"command\": $(json_string "$COMMAND"),
\"options\": {
\"save_config\": $SAVE_CONFIG,