Always remove /boot/grub/device.map to avoid leaking host data

Thanks: Patrick Schleizer <adrelanos@riseup.net> for bug report and feedback
Fixes #27 @ github

diff --git a/chroot-script b/chroot-script
index e1c183a..0e31f70 100755 (executable)
--- a/chroot-script
+++ b/chroot-script
@@ -585,11 +585,13 @@ grub_install() {
         echo "Installing grub on ${GRUB}:"
         grub-install --no-floppy "$GRUB"
      done
         echo "Installing grub on ${GRUB}:"
         grub-install --no-floppy "$GRUB"
      done

+     rm -f /boot/grub/device.map

   else
      echo "Installing grub on ${GRUB}:"
      case "$RELEASE" in
        lenny|squeeze|wheezy)
          grub-install --no-floppy "$(readlink -f "${GRUB}")"
   else
      echo "Installing grub on ${GRUB}:"
      case "$RELEASE" in
        lenny|squeeze|wheezy)
          grub-install --no-floppy "$(readlink -f "${GRUB}")"

+         rm -f /boot/grub/device.map

          ;;
        *)
          echo "(hd0) ${GRUB}" > /boot/grub/device.map
          ;;
        *)
          echo "(hd0) ${GRUB}" > /boot/grub/device.map