1#!/bin/sh 2# 3# This script generates a "memstick image" (image that can be copied to a 4# USB memory stick) from a directory tree. Note that the script does not 5# clean up after itself very well for error conditions on purpose so the 6# problem can be diagnosed (full filesystem most likely but ...). 7# 8# Usage: make-memstick.sh <directory tree or manifest> <image filename> 9# 10# 11 12set -e 13 14if [ "$(uname -s)" = "FreeBSD" ]; then 15 PATH=/bin:/usr/bin:/sbin:/usr/sbin 16 export PATH 17fi 18 19if [ $# -ne 2 ]; then 20 echo "make-memstick.sh /path/to/directory/or/manifest /path/to/image/file" 21 exit 1 22fi 23 24MAKEFSARG=${1} 25 26if [ -f ${MAKEFSARG} ]; then 27 BASEBITSDIR=`dirname ${MAKEFSARG}` 28 METALOG=${MAKEFSARG} 29elif [ -d ${MAKEFSARG} ]; then 30 BASEBITSDIR=${MAKEFSARG} 31 METALOG= 32else 33 echo "${MAKEFSARG} must exist" 34 exit 1 35fi 36 37if [ -e ${2} ]; then 38 echo "won't overwrite ${2}" 39 exit 1 40fi 41 42echo '/dev/ufs/FreeBSD_Install / ufs ro,noatime 1 1' > ${BASEBITSDIR}/etc/fstab 43echo 'root_rw_mount="NO"' > ${BASEBITSDIR}/etc/rc.conf.local 44if [ -n "${METALOG}" ]; then 45 metalogfilename=$(mktemp /tmp/metalog.XXXXXX) 46 cat ${METALOG} > ${metalogfilename} 47 echo "./etc/fstab type=file uname=root gname=wheel mode=0644" >> ${metalogfilename} 48 echo "./etc/rc.conf.local type=file uname=root gname=wheel mode=0644" >> ${metalogfilename} 49 MAKEFSARG=${metalogfilename} 50fi 51makefs -D -N ${BASEBITSDIR}/etc -B little -o label=FreeBSD_Install -o version=2 ${2}.part ${MAKEFSARG} 52rm ${BASEBITSDIR}/etc/fstab 53rm ${BASEBITSDIR}/etc/rc.conf.local 54if [ -n "${METALOG}" ]; then 55 rm ${metalogfilename} 56fi 57 58mkimg -s mbr \ 59 -b ${BASEBITSDIR}/boot/mbr \ 60 -p freebsd:-"mkimg -s bsd -b ${BASEBITSDIR}/boot/boot -p freebsd-ufs:=${2}.part" \ 61 -o ${2} 62rm ${2}.part 63 64