fixes #169

exits if sudo is not installed when run as a regular user

automated install/basic-install.sh

@@ -17,11 +17,19 @@
 # curl -L install.pi-hole.net | bash
 
 ######## VARIABLES #########
+# Must be root to install
 if [[ $EUID -eq 0 ]];then
 	echo "You are root."
 else
 	echo "sudo will be used for the install."
-	export SUDO="sudo"
+  # Check if it is actually installed
+  # If it isn't, exit because the install cannot complete
+  if [[ $(dpkg-query -s sudo) ]];then
+		export SUDO="sudo"
+  else
+		echo "Please install sudo or run this as root."
+    exit 1
+  fi
 fi
 
 

automated install/uninstall.sh

@@ -13,7 +13,14 @@ if [[ $EUID -eq 0 ]];then
 	echo "You are root."
 else
 	echo "sudo will be used for the install."
-	export SUDO="sudo"
+  # Check if it is actually installed
+  # If it isn't, exit because the unnstall cannot complete
+  if [[ $(dpkg-query -s sudo) ]];then
+		export SUDO="sudo"
+  else
+    echo "Please install sudo or run this as root."
+    exit 1
+  fi
 fi