From d312695d781d49310053a064a3017bb2382b12c7 Mon Sep 17 00:00:00 2001
From: Sander van der Burg <svanderburg@gmail.com>
Date: Wed, 3 Jul 2013 11:13:58 +0200
Subject: [PATCH] Fixed minor issue with unary operator expected

---
 modules/installer/tools/nixos-build-vms/nixos-build-vms.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/modules/installer/tools/nixos-build-vms/nixos-build-vms.sh b/modules/installer/tools/nixos-build-vms/nixos-build-vms.sh
index d24a1ccb70d..0a6e8b920a1 100644
--- a/modules/installer/tools/nixos-build-vms/nixos-build-vms.sh
+++ b/modules/installer/tools/nixos-build-vms/nixos-build-vms.sh
@@ -48,15 +48,15 @@ shift
 
 # Validate the given options
 
-if [ "$@" = "" ]
+if [ "$1" = "" ]
 then
     echo "ERROR: A network expression must be specified!" >&2
     exit 1
 else
-    networkExpr=$(readlink -f $@)
+    networkExpr=$(readlink -f $1)
 fi
 
 # Build a network of VMs
 
 nix-build '<nixos/modules/installer/tools/nixos-build-vms/build-vms.nix>' \
-    --argstr networkExpr $networkExpr  $noOutLinkArg $showTraceArg
+    --argstr networkExpr $networkExpr $noOutLinkArg $showTraceArg