Move root user check to linux shell script

SparkleShare/Program.cs

@@ -45,16 +45,6 @@ namespace SparkleShare {
 
         public static void Main (string [] args)
         {
-            // Don't allow running as root on Linux or Mac
-        /*    if ((SparkleBackend.Platform == PlatformID.Unix ||
-                 SparkleBackend.Platform == PlatformID.MacOSX) &&
-                new UnixUserInfo (UnixEnvironment.UserName).UserId == 0) {
-
-                Console.WriteLine (_("Sorry, you can't run SparkleShare with these permissions."));
-                Console.WriteLine (_("Things would go utterly wrong."));
-                Environment.Exit (-1);
-            }
-             */
             // Parse the command line options
             bool show_help       = false;
             OptionSet option_set = new OptionSet () {

SparkleShare/sparkleshare.in

@@ -1,5 +1,10 @@
 #!/bin/bash
 
+if [[ $UID -e 0 ]]; then
+  echo "Cannot run as root. Things would go utterly wrong."
+  exit 1
+fi
+
 if [ "$XDG_RUNTIME_DIR" ]; then
   pidfile=${XDG_RUNTIME_DIR}/sparkleshare.pid
 else