#!/bin/sh
# Make sure filesystems are available.
set +e # ignore errors from modprobe

FILESYSTEMS='ext2 ext3 ext4 xfs jfs msdos vfat ntfs minix hfs hfsplus qnx4 ufs btrfs'
# fuse is needed to make grub-mount work.
FILESYSTEMS="$FILESYSTEMS fuse"
# The Ubuntu kernel udebs put a number of filesystem modules in
# fs-{core,secondary}-modules. It's fairly cheap to check for these too.
FILESYSTEMS="$FILESYSTEMS fs-core fs-secondary"

if [ ! -e /var/lib/os-prober/modules ]; then
# Check for anna-install to make it easier to use os-prober outside
# d-i.
if type anna-install >/dev/null 2>&1 && [ -d /lib/debian-installer ]; then
for fs in $FILESYSTEMS; do
ANNA_QUIET=1 DEBIAN_FRONTEND=none \
log-output -t os-prober \
anna-install "$fs-modules" || true
done
depmod -a >/dev/null 2>&1 || true
fi

for fs in $FILESYSTEMS; do
case "$fs" in
fs-*)
;;
*)
modprobe "$fs" 2>/dev/null | logger -t os-prober
;;
esac
done

# We only want to keep this state inside d-i, so this is as good a
# check as any.
if type anna-install >/dev/null 2>&1 && [ -d /lib/debian-installer ]; then
touch /var/lib/os-prober/modules
fi
fi