make sure grub-pc is installed when grub option is used

diff --git a/chroot-script b/chroot-script
index 62f24f8..7d2c8c3 100755 (executable)
--- a/chroot-script
+++ b/chroot-script
@@ -421,6 +421,11 @@ grub_install() {
      return 0
   fi
 
+  if ! dpkg --list grub-pc 2>/dev/null | grep -q '^ii' ; then
+    echo "Notice: grub option set but no grub-pc package, installing it therefore."
+    DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL grub-pc
+  fi
+
   if ! [ -x "$(which grub-install)" ] ; then
      echo "Error: grub-install not available. (Error while installing grub package?)" >&2
      return 1