1 files changed, 5 insertions, 0 deletions
diff --git a/src/simplaret b/src/simplaret
index 3b2fbb0..8735074 100755
--- a/src/simplaret
+++ b/src/simplaret
@@ -784,6 +784,11 @@ function simplaret_install {
   root="/$ROOT"
   mkdir -p $root/var/log/setup/tmp
 
+  if [ "`echo $1 | sed -e 's/\(..\).*/\1/g'`" == "--" ]; then
+    echo $BASENAME: install: syntax error: expected package name
+    return 1
+  fi
+
   # now we check if ARCH and VERSION from the
   # repository are the same of the jail
   if [ "$2" != "--skip-checks" ]; then