102 lines
2.5 KiB
Bash
102 lines
2.5 KiB
Bash
#! /bin/sh
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#
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# $NetBSD: installboot.sh,v 1.4 1998/12/11 12:15:44 mrg Exp $
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#
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# Copyright (c) 1998 Matthew R. Green
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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usage='installboot [-v] [-n] <bootblk> <disk>'
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verbose=0
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nowrite=0
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while [ $# -gt 0 ]; do
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case "$1" in
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-n)
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nowrite=1
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shift
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;;
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-v)
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verbose=1
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shift
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;;
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--)
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shift
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break
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;;
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-*)
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echo $usage
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exit 1
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;;
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*)
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break
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;;
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esac
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done
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blk=$1
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disk=$2
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if [ -z "$blk" -o -z "$disk" ]; then
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echo $usage
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exit 1
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fi
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# find out that $disk is sane, or look for the real device
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if [ ! -b $disk -a ! -c $disk ]; then
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trydisk=/dev/$disk
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if [ ! -b $trydisk -a ! -c $trydisk ]; then
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# XXX should we use ${disk}a ? or nothing?
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trydisk=/dev/${disk}c
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if [ ! -b $trydisk -a ! -c $trydisk ]; then
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echo "Can not find that disk"
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exit 1
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fi
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fi
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disk=$trydisk
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fi
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# by now, $disk is OK
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if [ ! -f $blk ]; then
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tryblk=/usr/mdec/$blk
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if [ ! -f $tryblk ]; then
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echo "Can not find that boot block"
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exit 1
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fi
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blk=$tryblk
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fi
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cmd="dd if=$blk of=$disk bs=512 count=15 conv=notrunc seek=1"
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if [ $verbose = 1 ]; then
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echo $cmd
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fi
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if [ $nowrite = 0 ]; then
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exec $cmd
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fi
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exit 0
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