Merge pull request #28 from basvandewiel/22-coding-style-cleanup

Loop the IP check back into the script's main logic.

nfs_mount.sh

@@ -92,9 +92,10 @@ function load_ini() {
 function has_ip_address() {
   ip addr show | grep 'inet ' | grep -vE '127.|169.254.' >/dev/null 2>&1
   if [[ $? -eq 0 ]]; then
-    echo "true"
+    return 0
   else
-    echo "false"
+    echo "Network connectivity is probably not OK. Exiting."
+    exit 1
   fi
 }
 
@@ -275,9 +276,12 @@ run_once
 # Load configuration from the .ini file if we have one.
 load_ini
 
-# Only cause changes if the configuration is viable.
+# Only cause changes if the configuration is viable..
 viable_config
 
+# ..and our network seems to be working.
+has_ip_address
+
 # We wake up the NFS-server if needed
 wake_up_nfs