Added force-update flag

vv

@@ -88,7 +88,6 @@ function check_how_installed () {
 	if [[ ! -z $(which brew) ]]; then
 		brew_install_location=$(brew --prefix)
 		if [[ -f $brew_install_location"/bin/vv" ]]; then
-
 			installed_with_brew="true"
 		else
 			installed_with_brew="false"
@@ -963,6 +962,10 @@ function parse_the_args() {
     fi
    	if [ ! -z "$lets_update" ]; then
    		install_update
+   	if [ ! -z "$force_update"]; then
+   		installed_with_brew="false"
+		update_vv
+	fi
    	else
    		check_for_update
    	fi
@@ -1237,6 +1240,10 @@ function check_args() {
 				lets_update="true"
 				shift
 				;;
+			--force-update)
+				force_update="true"
+				shift
+				;;
 			-bi|--blueprint-init)
 				blueprint_init="true"
 				shift