From ae47be0ce92376c64f37deb9fd96217d3fe87782 Mon Sep 17 00:00:00 2001
From: Promofaux <adzjwarner@gmail.com>
Date: Wed, 17 Aug 2016 18:59:00 +0100
Subject: [PATCH 1/2] Add HelpFunc

---
 gravity.sh | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/gravity.sh b/gravity.sh
index 6278d80a..b5b119f3 100755
--- a/gravity.sh
+++ b/gravity.sh
@@ -27,6 +27,18 @@ else
 	fi
 fi
 
+function helpFunc()
+{
+	echo "::: Pull in domains from adlists"
+	echo ":::"
+	echo "::: Usage: pihole -g"
+	echo ":::"
+	echo "::: Options:"
+	echo ":::  -f, --force				Force lists to be downloaded, even if they don't need updating."
+	echo ":::  -h, --help				Show this help dialog"
+	exit 1
+}
+
 piholeIPfile=/etc/pihole/piholeIP
 piholeIPv6file=/etc/pihole/.useIPv6
 

From f6ac0d73b4fd017096fda97d7cf3e991db1b6997 Mon Sep 17 00:00:00 2001
From: Promofaux <adzjwarner@gmail.com>
Date: Wed, 17 Aug 2016 19:08:55 +0100
Subject: [PATCH 2/2] Add force delete option

---
 gravity.sh | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/gravity.sh b/gravity.sh
index b5b119f3..52d4ee5b 100755
--- a/gravity.sh
+++ b/gravity.sh
@@ -340,6 +340,23 @@ function gravity_reload() {
 	echo " done!"
 }
 
+
+for var in "$@"
+do
+  case "$var" in
+    "-f" | "--force"     ) force=true;;
+    "-h" | "--help"      ) helpFunc;;
+  esac
+done
+
+#Overwrite adlists.default from /etc/.pihole in case any changes have been made. Changes should be saved in /etc/adlists.list
+
+if $force; then
+	echo -n "::: Deleting exising list cache..."
+	$SUDO rm /etc/pihole/list.*
+	echo " done!"
+fi
+
 $SUDO cp /etc/.pihole/adlists.default /etc/pihole/adlists.default
 gravity_collapse
 gravity_spinup