local-build-package: check for valid architecture

1 files changed, 5 insertions, 0 deletions

diff --git a/bin/local-build-package b/bin/local-build-package
index 49907a4..ade87c0 100755
--- a/bin/local-build-package
+++ b/bin/local-build-package
@@ -115,6 +115,11 @@ if [ $# -ne 2 ]; then
   usage
 fi
 
+if [ $arch != "i486" ] && [ $arch != "i686" ] && [ $arch != "pentium4" ]; then
+  >&2 echo "Illegal architecture '$arch', epxecting one of 'i486', 'i686' or 'pentium4'."
+  usage
+fi
+
 if ${bootstrap}; then
   if [ -z "${bootstrap_host}" ]; then
     >&2 echo -- '-b option requires a bootstrapping host to be set with -H'