3 files changed, 30 insertions, 3 deletions
diff --git a/fix_pamd b/fix_pamd
index 895c44e..c87cb7d 100755
--- a/fix_pamd
+++ b/fix_pamd
@@ -1,5 +1,15 @@
 #!/bin/sh
 
+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
+
 configs=`find $RPM_BUILD_ROOT/etc/pam.d/ -type f ! -type l 2> /dev/null`
 if [ -n "$configs" ]; then
     echo -n "Fixing pam.d config files..."
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
diff --git a/remove_info_dir b/remove_info_dir
index aa1e152..a79cd4a 100755
--- a/remove_info_dir
+++ b/remove_info_dir
@@ -1,8 +1,16 @@
 #!/bin/sh
 
-INFODIR=`rpm --eval %{_infodir}/dir`
+if [ -z "$RPM_BUILD_ROOT" ]; then
+    echo "No build root defined" >&2
+    exit 1
+fi
 
-test -n "$RPM_BUILD_ROOT" || exit 0
+if [ ! -d "$RPM_BUILD_ROOT" ]; then
+    echo "Invalid build root" >&2
+    exit 1
+fi
+
+INFODIR=`rpm --eval %{_infodir}/dir`
 
 dir="$RPM_BUILD_ROOT/$INFODIR"