Integrate fixes from @ehlers

gns3server/modules/docker/resources/init.sh

@@ -24,20 +24,15 @@ PATH=/gns3/bin:/tmp/gns3/bin
 
 # bootstrap busybox commands
 if [ ! -d /tmp/gns3/bin ]; then
-	busybox mkdir -p /tmp/gns3/bin
-	/gns3/bin/busybox --install -s /tmp/gns3/bin
+    busybox mkdir -p /tmp/gns3/bin
+    /gns3/bin/busybox --install -s /tmp/gns3/bin
 fi
 
 #  Restore file permission and mount volumes
-for i in $(echo "$GNS3_VOLUMES" | tr ":" "\n")
+echo "$GNS3_VOLUMES" | tr ":" "\n" | while read i
 do
     # Copy original files if destination is empty (first start)
-    if ! [ "$(ls -A /gns3volumes$i)" ]; then
-        for file in $(ls -A "$i")
-        do
-            cp -a "$i/$file" "/gns3volumes$i/$file"
-        done
-    fi
+    [ "$(ls -A "/gns3volumes$i")" ] || cp -a "$i/." "/gns3volumes$i"
 
     mount --bind "/gns3volumes$i" "$i"
     if [ -f "$i/.gns3_perms" ]
@@ -53,28 +48,28 @@ done
 
 # /etc/hosts
 [ -s /etc/hosts ] || cat > /etc/hosts << __EOF__
-127.0.1.1	$HOSTNAME
-127.0.0.1	localhost
-::1	localhost ip6-localhost ip6-loopback
-fe00::0	ip6-localnet
-ff00::0	ip6-mcastprefix
-ff02::1	ip6-allnodes
-ff02::2	ip6-allrouters
+127.0.1.1   $HOSTNAME
+127.0.0.1   localhost
+::1 localhost ip6-localhost ip6-loopback
+fe00::0 ip6-localnet
+ff00::0 ip6-mcastprefix
+ff02::1 ip6-allnodes
+ff02::2 ip6-allrouters
 __EOF__
 
 # configure loopback interface
 ip link set dev lo up
 
 # Wait for all eth available
-while true 
+while true
 do
     grep $GNS3_MAX_ETHERNET /proc/net/dev > /dev/null && break
     sleep 0.5
-done  
+done
 
 # activate eth interfaces
 sed -n 's/^ *\(eth[0-9]*\):.*/\1/p' < /proc/net/dev | while read dev; do
-	ip link set dev $dev up
+    ip link set dev $dev up
 done
 
 # configure network interfaces