1 files changed, 10 insertions, 1 deletions
diff --git a/gprintify b/gprintify
index 34ca30d..f78bbbd 100755
--- a/gprintify
+++ b/gprintify
@@ -1,7 +1,16 @@
 #!/bin/sh
-
 # $Id$
 
+if [ -z "$RPM_BUILD_ROOT" ]; then
+    echo "No build root defined" >&2
+    exit 1
+fi
+
+if [ ! -d "$RPM_BUILD_ROOT" ]; then
+    echo "Invalid build root" >&2
+    exit 1
+fi
+
 if test -z "$DONT_GPRINTIFY"; then
     scripts=
     for f in `ls $RPM_BUILD_ROOT/etc/rc.d/init.d/* $RPM_BUILD_ROOT/etc/init.d/* 2> /dev/null`; do