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#!/bin/sh
#
# This script generates a "memstick image" (image that can be copied to a
# USB memory stick) from a directory tree. Note that the script does not
# clean up after itself very well for error conditions on purpose so the
# problem can be diagnosed (full filesystem most likely but ...).
#
# Usage: make-memstick.sh <directory tree> <image filename>
#
# $FreeBSD$
#
set -e
PATH=/bin:/usr/bin:/sbin:/usr/sbin
export PATH
if [ $# -ne 2 ]; then
echo "make-memstick.sh /path/to/directory /path/to/image/file"
exit 1
fi
if [ ! -d ${1} ]; then
echo "${1} must be a directory"
exit 1
fi
if [ -e ${2} ]; then
echo "won't overwrite ${2}"
exit 1
fi
echo '/dev/ufs/FreeBSD_Install / ufs ro,noatime 1 1' > ${1}/etc/fstab
echo 'root_rw_mount="NO"' > ${1}/etc/rc.conf.local
makefs -B little -o label=FreeBSD_Install -o version=2 ${2}.part ${1}
rm ${1}/etc/fstab
rm ${1}/etc/rc.conf.local
mkimg -s gpt \
-b ${1}/boot/pmbr \
-p freebsd-boot:=${1}/boot/gptboot \
-p freebsd-ufs:=${2}.part \
-p freebsd-swap::1M \
-o ${2}
rm ${2}.part
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