Flesh out updateDependencies. Add in root check.

advanced/Scripts/updatePiholeSecondary.sh

@@ -10,11 +10,44 @@
 # the Free Software Foundation, either version 2 of the License, or
 # (at your option) any later version.
 
+# Must be root to use this tool
+if [[ ! $EUID -eq 0 ]];then
+	#echo "::: You are root."
+#else
+	#echo "::: Sudo will be used for this tool."
+  # Check if it is actually installed
+  # If it isn't, exit because the pihole cannot be invoked without privileges.
+  if [[ $(dpkg-query -s sudo) ]];then
+		export SUDO="sudo"
+  else
+    echo "::: Please install sudo or run this as root."
+    exit 1
+  fi
+fi
+
 function updateDependencies(){
+	#Add any new dependencies to the below array`
 	newDependencies=()
 	echo "::: Installing any new dependencies..."
 	for i in "${newDependencies[@]}"; do
 		echo "checking for $i"
+		if [ "$(dpkg-query -W -f='${Status}' "$i" 2>/dev/null | grep -c "ok installed")" -eq 0 ]; then
+			echo -n " Not found! Installing...."
+			$SUDO apt-get -y -qq install "$i" > /dev/null & spinner $!
+			echo " done!"
+		else
+			echo " already installed!"
+		fi
 	done
 	}
 }
+
+#uncomment the below if adding new dependencies (don't forget to update the install script!)
+#updateDependencies
+
+
+
+#TODO:
+# - Distribute files`
+# - Run pihole -g
+# - add root check, maybe? Do we need to? Probably a good idea.