# detect existing Grub2 installation
GRUB2="no"
-if [ -e /boot/grub/grub.cfg ]; then
+if [ \( -e /boot/grub/grub.cfg \) -o \( -e /boot/grub/core.img \) ]; then
echo "CN: Detected GRUB2 installation, will try to use it."
GRUB2="yes"
if [ -e /boot/grub/menu.lst ]; then
fi
else
# Grub2 part
+ touch /boot/grub/grub.cfg
update-grub >/dev/null 2>&1 || true
fi
echo -n " grub2"
fi
else
# Grub2 part
- grub-mkdevicemap -n
+ grub-mkdevicemap --no-floppy
+ grub-install --no-floppy --grub-setup=/bin/true "$(grub-probe /boot/grub)" >/dev/null 2>&1
fi
echo -n " grub3"
fi
else
# Grub2 part
- install_device='(hd0)'
+ install_device="$(grub-probe /boot/grub)"
fi
echo -n " grub4"