diff --git a/linux-live/minioslib b/linux-live/minioslib
index 30cf788..36ff169 100644
--- a/linux-live/minioslib
+++ b/linux-live/minioslib
@@ -383,7 +383,7 @@ function create_backup() {
 			mkdir -p $PARENT_DIR/minios-live-current
 			(cd $SCRIPT_DIR && cp --parents -afr * $PARENT_DIR/minios-live-current)
 		else
-			for file in $(find $SCRIPT_DIR -type f | sed "s,$SCRIPT_DIR/,,g" | sed "s,.script_version,,g"); do
+			for file in $(find $SCRIPT_DIR -path $SCRIPT_DIR/.git -prune -false -o -type f | sed "s,$SCRIPT_DIR/,,g" | sed "s,.script_version,,g"); do
 				if ! cmp $SCRIPT_DIR/$file $PARENT_DIR/minios-live-current/$file >>$OUTPUT 2>&1; then
 					CHANGED="1"
 					echo -e "$file has been modified since last backup." >>$OUTPUT 2>&1
@@ -410,21 +410,6 @@ function create_backup() {
 # =================================================================
 # =================================================================
 
-function select_distribution() {
-	# unused
-	echo -e "=====> the ${CYAN}${FUNCNAME[0]}${ENDCOLOUR} function is executing ..."
-	case $DISTRIBUTION in
-	bionic)
-		$DEBOOTSTRAP_URL=http://ru.archive.ubuntu.com/ubuntu/
-		$SOURCES_LIST=$SCRIPT_DIR/linux-live/sources/bionic.list
-		;;
-	focal)
-		$DEBOOTSTRAP_URL=http://ru.archive.ubuntu.com/ubuntu/
-		$SOURCES_LIST=$SCRIPT_DIR/linux-live/sources/focal.list
-		;;
-	esac
-}
-
 function create_apt_list() {
 	echo -e "=====> the ${CYAN}${FUNCNAME[0]}${ENDCOLOUR} function is executing ..."
 	if [ ! -f $SCRIPT_DIR/linux-live/aptsources/$DISTRIBUTION.list ]; then
@@ -836,4 +821,4 @@ function chroot_finish_up() {
 }
 if [ grep ]; then
 	echo
-fi
\ No newline at end of file
+fi