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# $FreeBSD$ 11# 12 13set -e 14 15if [ "$(uname -s)" = "FreeBSD" ]; then 16 PATH=/bin:/usr/bin:/sbin:/usr/sbin 17 export PATH 18fi 19 20if [ $# -ne 2 ]; then 21 echo "make-memstick.sh /path/to/directory/or/manifest /path/to/image/file" 22 exit 1 23fi 24 25MAKEFSARG=${1} 26 27if [ -f ${MAKEFSARG} ]; then 28 BASEBITSDIR=`dirname ${MAKEFSARG}` 29 METALOG=${MAKEFSARG} 30elif [ -d ${MAKEFSARG} ]; then 31 BASEBITSDIR=${MAKEFSARG} 32 METALOG= 33else 34 echo "${MAKEFSARG} must exist" 35 exit 1 36fi 37 38if [ -e ${2} ]; then 39 echo "won't overwrite ${2}" 40 exit 1 41fi 42 43echo '/dev/ufs/FreeBSD_Install / ufs ro,noatime 1 1' > ${BASEBITSDIR}/etc/fstab 44echo 'root_rw_mount="NO"' > ${BASEBITSDIR}/etc/rc.conf.local 45if [ -n "${METALOG}" ]; then 46 metalogfilename=$(mktemp /tmp/metalog.XXXXXX) 47 cat ${METALOG} > ${metalogfilename} 48 echo "./etc/fstab type=file uname=root gname=wheel mode=0644" >> ${metalogfilename} 49 echo "./etc/rc.conf.local type=file uname=root gname=wheel mode=0644" >> ${metalogfilename} 50 MAKEFSARG=${metalogfilename} 51fi 52makefs -D -N ${BASEBITSDIR}/etc -B little -o label=FreeBSD_Install -o version=2 ${2}.part ${MAKEFSARG} 53rm ${BASEBITSDIR}/etc/fstab 54rm ${BASEBITSDIR}/etc/rc.conf.local 55if [ -n "${METALOG}" ]; then 56 rm ${metalogfilename} 57fi 58 59mkimg -s mbr \ 60 -b ${BASEBITSDIR}/boot/mbr \ 61 -p freebsd:-"mkimg -s bsd -b ${BASEBITSDIR}/boot/boot -p freebsd-ufs:=${2}.part" \ 62 -o ${2} 63rm ${2}.part 64 65