Merge pull request #1133 from pi-hole/fix/gravity_collapse

Make sure to read all lines of adlists file

gravity.sh

@@ -76,7 +76,7 @@ gravity_collapse() {
 		#custom file found, use this instead of default
 		echo -n "::: Custom adList file detected. Reading..."
 		sources=()
-		while read -r line; do
+		while IFS= read -r line || [[ -n "$line" ]]; do
 			#Do not read commented out or blank lines
 			if [[ ${line} = \#* ]] || [[ ! ${line} ]]; then
 				echo "" > /dev/null
@@ -89,7 +89,7 @@ gravity_collapse() {
 		#no custom file found, use defaults!
 		echo -n "::: No custom adlist file detected, reading from default file..."
 		sources=()
-		while read -r line; do
+		while IFS= read -r line || [[ -n "$line" ]]; do
 			#Do not read commented out or blank lines
 			if [[ ${line} = \#* ]] || [[ ! ${line} ]]; then
 				echo "" > /dev/null