Date: Tue, 6 Apr 2010 17:57:27 +0000 (UTC) From: Ken Smith <kensmith@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r206278 - stable/8/release/scripts Message-ID: <201004061757.o36HvRv7037432@svn.freebsd.org>
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Author: kensmith Date: Tue Apr 6 17:57:27 2010 New Revision: 206278 URL: http://svn.freebsd.org/changeset/base/206278 Log: Merge r204044: Provide a script that can be used to create the memstick images. Added: stable/8/release/scripts/make-memstick.sh - copied unchanged from r204044, head/release/scripts/make-memstick.sh Modified: Directory Properties: stable/8/release/ (props changed) stable/8/release/picobsd/ (props changed) stable/8/release/picobsd/floppy.tree/sbin/ (props changed) stable/8/release/picobsd/qemu/ (props changed) Copied: stable/8/release/scripts/make-memstick.sh (from r204044, head/release/scripts/make-memstick.sh) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/8/release/scripts/make-memstick.sh Tue Apr 6 17:57:27 2010 (r206278, copy of r204044, head/release/scripts/make-memstick.sh) @@ -0,0 +1,83 @@ +#!/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> +# +# $FreeBSD$ +# + +PATH=/bin:/usr/bin:/sbin:/usr/sbin +export PATH + +BLOCKSIZE=10240 + +if [ $# -ne 2 ]; then + echo "make-memstick.sh /path/to/directory /path/to/image/file" + exit 1 +fi + +tempfile="${2}.$$" + +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 + +rm -f ${tempfile} +makefs ${tempfile} ${1} +if [ $? -ne 0 ]; then + echo "makefs failed" + exit 1 +fi + +# +# Use $BLOCKSIZE for transfers to improve efficiency. When calculating +# how many blocks to transfer "+ 2" is to account for truncation in the +# division and to provide space for the label. +# + +filesize=`stat -f "%z" ${tempfile}` +blocks=$(($filesize / ${BLOCKSIZE} + 2)) +dd if=/dev/zero of=${2} bs=${BLOCKSIZE} count=${blocks} +if [ $? -ne 0 ]; then + echo "creation of image file failed" + exit 1 +fi + +unit=`mdconfig -a -t vnode -f ${2}` +if [ $? -ne 0 ]; then + echo "mdconfig failed" + exit 1 +fi + +fdisk -BIq /dev/${unit} +if [ $? -ne 0 ]; then + echo "fdisk failed" + exit 1 +fi + +bsdlabel -B -w /dev/${unit} +if [ $? -ne 0 ]; then + echo "bsdlabel failed" + exit 1 +fi + +dd if=${tempfile} of=/dev/${unit}a bs=$BLOCKSIZE conv=sync +if [ $? -ne 0 ]; then + echo "copying filesystem into image file failed" + exit 1 +fi + +mdconfig -d -u ${unit} + +rm -f ${tempfile} +
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