89033280b7
i386 and amd64. This involved moving the memstick generation script to the arch directories from scripts/, in analogy to mkisoimages.sh. This script was never called from /usr/src/release/Makefile, so that hasn't been updated.
84 lines
1.6 KiB
Bash
Executable File
84 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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#
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# This script generates a "memstick image" (image that can be copied to a
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# USB memory stick) from a directory tree. Note that the script does not
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# clean up after itself very well for error conditions on purpose so the
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# problem can be diagnosed (full filesystem most likely but ...).
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#
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# Usage: make-memstick.sh <directory tree> <image filename>
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#
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# $FreeBSD$
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#
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PATH=/bin:/usr/bin:/sbin:/usr/sbin
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export PATH
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BLOCKSIZE=10240
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if [ $# -ne 2 ]; then
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echo "make-memstick.sh /path/to/directory /path/to/image/file"
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exit 1
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fi
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tempfile="${2}.$$"
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if [ ! -d ${1} ]; then
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echo "${1} must be a directory"
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exit 1
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fi
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if [ -e ${2} ]; then
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echo "won't overwrite ${2}"
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exit 1
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fi
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rm -f ${tempfile}
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makefs ${tempfile} ${1}
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if [ $? -ne 0 ]; then
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echo "makefs failed"
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exit 1
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fi
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#
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# Use $BLOCKSIZE for transfers to improve efficiency. When calculating
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# how many blocks to transfer "+ 2" is to account for truncation in the
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# division and to provide space for the label.
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#
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filesize=`stat -f "%z" ${tempfile}`
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blocks=$(($filesize / ${BLOCKSIZE} + 2))
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dd if=/dev/zero of=${2} bs=${BLOCKSIZE} count=${blocks}
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if [ $? -ne 0 ]; then
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echo "creation of image file failed"
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exit 1
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fi
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unit=`mdconfig -a -t vnode -f ${2}`
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if [ $? -ne 0 ]; then
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echo "mdconfig failed"
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exit 1
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fi
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fdisk -BIq /dev/${unit}
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if [ $? -ne 0 ]; then
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echo "fdisk failed"
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exit 1
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fi
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bsdlabel -B -w /dev/${unit}
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if [ $? -ne 0 ]; then
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echo "bsdlabel failed"
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exit 1
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fi
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dd if=${tempfile} of=/dev/${unit}a bs=$BLOCKSIZE conv=sync
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if [ $? -ne 0 ]; then
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echo "copying filesystem into image file failed"
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exit 1
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fi
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mdconfig -d -u ${unit}
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rm -f ${tempfile}
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