base-files: ignore initscript output in sysupgrade

Suppress output from `/etc/init.d/service enabled` to avoid corrupting
of the sysupgrade tarball.

Fixes: 0ad062a21b ("base-files: sysupgrade: add uci-defaults script disabling services #2")
Signed-off-by: Niall McGee <niall.mcgee@bt.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>

diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 7d4823246ea1a234be3c7384799d30da626f6ff1..307ea6ac344dc27cf5ac01132888450e4fc6df43 100755 (executable)
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -273,7 +273,7 @@ create_backup_archive() {
 
                if [ $ret -eq 0 ]; then
                        for service in /etc/init.d/*; do
-                               if ! $service enabled; then
+                               if ! $service enabled >/dev/null 2>&1; then
                                disabled="$disabled$service disable\n"
                                fi
                        done