release/i386/make-memstick.sh

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