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#!/bin/sh
#
# Copyright 2013 iXsystems (Kris Moore)
# All rights reserved
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted providing that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# Script to detect other NON BSD OS's and add to grub.cfg

check_ntfs_part()
{
   local disk="$1"
   fs_label=`grub-probe --device /dev/${disk} --target=fs_label`

   # Check for common windows NTFS labels for bootable partitions
   if [ "$fs_label" != "System Reserved" -a "$fs_label" != "OS" -a "$fs_label" != "SYSTEM" ] ; then return; fi

   fs_uuid=`grub-probe --device /dev/${disk} --target=fs_uuid`
   if [ -z "$fs_uuid" ] ; then
      echo "Warning: Could not get fs_uuid for $disk"
      return
   fi

   cat << EOF
menuentry "Microsoft Windows ($disk)" {
   search --no-floppy --fs-uuid --set=root $fs_uuid
   chainloader +1
}
EOF
}

# Start by looking for disks
for disk in `cd /dev/ && ls ada[0-9]s[0-9] da[0-9]s[0-9] ada[0-9]p[0-9] da[0-9]p[0-9] 2>/dev/null`
do
   
   # Start checking for NTFS
   fs_type=`grub-probe --device /dev/${disk} --target=fs 2>/dev/null`
   case $fs_type in
      ntfs) check_ntfs_part "$disk" ;;
	*) ;; # Unknown for now, add more!
   esac 
done