Exit if the kernfrag directory is inaccessible

1 files changed, 4 insertions, 0 deletions

diff --git a/kern b/kern
index cef14c3..5d3716d 100755
--- a/kern
+++ b/kern
@@ -48,6 +48,10 @@ set_kernel() {
 config_kernel() {
 	host=${1:-$(hostname)}
 
+	if test ! -d "$KERNFRAG"; then
+		errx "No such file or directory: $KERNFRAG"
+	fi
+
 	printf "Starting merge for %s...\n\n" "$host"
 
 	awk -v prefix="$KERNFRAG/fragments/" '{print prefix $0}' \