Error out on unrecognized options

Currently debootstrap just breaks out of the loop on an unrecognized
option which means that that option and anything following it will be
taken as arguments leading to weird failures later.
Better to error out instead.

r50953

1 files changed, 3 insertions, 0 deletions

diff --git a/debootstrap b/debootstrap
index 7ea65e5..0e1b10e 100755
--- a/debootstrap
+++ b/debootstrap
@@ -280,6 +280,9 @@ if [ $# != 0 ] ; then
 			error 1 NEEDARG "option requires an argument %s" "$1"
 		fi
 		;;
+	    --*)
+		error 1 BADARG "unrecognized or invalid option %s" "$1"
+		;;
 	    *)
 		break
 		;;