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 14scriptdir=$(dirname $(realpath $0)) 15. ${scriptdir}/../scripts/tools.subr 16 17if [ "$(uname -s)" = "FreeBSD" ]; then 18 PATH=/bin:/usr/bin:/sbin:/usr/sbin 19 export PATH 20fi 21 22if [ $# -ne 2 ]; then 23 echo "make-memstick.sh /path/to/directory/or/manifest /path/to/image/file" 24 exit 1 25fi 26 27MAKEFSARG=${1} 28 29if [ -f ${MAKEFSARG} ]; then 30 BASEBITSDIR=`dirname ${MAKEFSARG}` 31 METALOG=${MAKEFSARG} 32elif [ -d ${MAKEFSARG} ]; then 33 BASEBITSDIR=${MAKEFSARG} 34 METALOG= 35else 36 echo "${MAKEFSARG} must exist" 37 exit 1 38fi 39 40if [ -e ${2} ]; then 41 echo "won't overwrite ${2}" 42 exit 1 43fi 44 45echo '/dev/ufs/FreeBSD_Install / ufs ro,noatime 1 1' > ${BASEBITSDIR}/etc/fstab 46echo 'root_rw_mount="NO"' > ${BASEBITSDIR}/etc/rc.conf.local 47if [ -n "${METALOG}" ]; then 48 metalogfilename=$(mktemp /tmp/metalog.XXXXXX) 49 cat ${METALOG} > ${metalogfilename} 50 echo "./etc/fstab type=file uname=root gname=wheel mode=0644" >> ${metalogfilename} 51 echo "./etc/rc.conf.local type=file uname=root gname=wheel mode=0644" >> ${metalogfilename} 52 MAKEFSARG=${metalogfilename} 53fi 54${MAKEFS} -D -N ${BASEBITSDIR}/etc -B little -o label=FreeBSD_Install -o version=2 ${2}.part ${MAKEFSARG} 55rm ${BASEBITSDIR}/etc/fstab 56rm ${BASEBITSDIR}/etc/rc.conf.local 57if [ -n "${METALOG}" ]; then 58 rm ${metalogfilename} 59fi 60 61${MKIMG} -s mbr \ 62 -b ${BASEBITSDIR}/boot/mbr \ 63 -p freebsd:-"${MKIMG} -s bsd -b ${BASEBITSDIR}/boot/boot -p freebsd-ufs:=${2}.part" \ 64 -o ${2} 65rm ${2}.part 66 67