From 30943d2dc03671299d10ee618fe7b68067e127a1 Mon Sep 17 00:00:00 2001
From: Nicolas Pierron <nicolas.b.pierron@gmail.com>
Date: Tue, 9 Nov 2010 18:42:59 +0000
Subject: [PATCH] Fix nixos-option, accept long arguments.

svn path=/nixos/trunk/; revision=24631
---
 modules/installer/tools/nixos-option.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/installer/tools/nixos-option.sh b/modules/installer/tools/nixos-option.sh
index fc4380d00c47..456e2b275d0f 100644
--- a/modules/installer/tools/nixos-option.sh
+++ b/modules/installer/tools/nixos-option.sh
@@ -66,13 +66,14 @@ for arg; do
         sarg="$arg"
         while test "$sarg" != "-"; do
           case $sarg in
-            --*) longarg=$arg;;
+            --*) longarg=$arg; sarg="--";;
             -d*) longarg="$longarg --description";;
             -v*) longarg="$longarg --value";;
             -l*) longarg="$longarg --lookup";;
             -i*) longarg="$longarg --install";;
             -*) usage;;
           esac
+          # remove the first letter option
           sarg="-${sarg#??}"
         done
         ;;