fff-network: Prevent resetting network config on each reboot

This only sets the switch configs if they are not set yet.
If the network.* file is edited, add FORCEPARSE=1 to apply
the changes.

Fixes #56

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

Tested-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Reviewed-by: Tobias Klaus <tk+ff@meskal.net>

src/packages/fff/fff-network/files/usr/sbin/configurenetwork

@@ -12,7 +12,7 @@
 BOARD="$(uci get board.model.name)"
 . /etc/network.$BOARD
 
-if ! uci get network.$SWITCHDEV.ifname; then
+if ! uci -q get network.$SWITCHDEV > /dev/null || [ "$FORCEPARSE" = '1' ] ; then
 
     SWITCHHW=$(swconfig list | awk '{ print $4 }')
 
@@ -62,10 +62,9 @@ if ! uci get network.$SWITCHDEV.ifname; then
     fi
 
     uci commit
-    /etc/init.d/network restart
 fi
 
-if [ "$ONE_PORT" = "YES" ]; then
+if [ "$ONE_PORT" = "YES" ] && ( ! uci -q get network.$SWITCHDEV.ifname || [ "$FORCEPARSE" = '1' ] ) ; then
     uci set network.$SWITCHDEV=interface
     uci set network.$SWITCHDEV.ifname=$SWITCHDEV
     if [ "$ETHMODE" = "WAN" ]; then
@@ -97,9 +96,10 @@ if [ "$ONE_PORT" = "YES" ]; then
         ETH0MAC="w2ap"
     fi
     uci commit
-    /etc/init.d/network restart
 fi
 
+/etc/init.d/network restart
+
 if [[ -n "$ETHMESHMAC" ]]; then
     if uci get network.ethmesh.macaddr
     then