mkdisk

#!/bin/sh

# Copyright (c) 2011, Intel Corporation
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#    * Redistributions of source code must retain the above copyright notice,
#      this list of conditions and the following disclaimer.
#    * 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.
#    * Neither the name of Intel Corporation nor the names of its contributors
#      may be used to endorse or promote products derived from this software
#      without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.

set -e

workdir="$(mktemp -d)"
trap "rm -rf $workdir" 0

export BITS="$(cd "$(dirname "$0")" && pwd)"
disk=sdb
partition=/dev/${disk}1
mountpoint=$workdir/mnt

distzip=$BITS/bits-latest.zip
if [ $# -gt 1 ] ; then
    echo "Usage: mkdisk [bits-NNN.zip]" 1>&2
    exit 1
elif [ $# -eq 1 ] ; then
    distzip="$1"
fi

if ! [ -f "$distzip" ] ; then
    echo "Distribution zip file \"$distzip\" not found" 1>&2
    exit 1
fi

# Only write to a removable disk, as an extra safety check
removable="$(cat /sys/block/$disk/removable 2>/dev/null || echo 0)"
if [ "$removable" -ne 1 ] ; then
    echo "Refusing to write to a non-removable disk; please edit mkdisk" 1>&2
    exit 1
fi

# unmount if currently mounted
if mount | grep -q "^$partition\>" ; then
    sudo umount $partition
fi
mkdir $mountpoint
sudo mount $partition $mountpoint
trap "sudo umount $partition && rm -rf $workdir" 0

unzip "$distzip" -d $workdir/
sudo cp -dr $workdir/bits-*/boot $workdir/bits-*/efi $mountpoint/

if [ -d $BITS/local-files ] ; then
    sudo cp -dr $BITS/local-files/* $mountpoint/
fi