mirror of https://github.com/dzavalishin/oskit/
86 lines
2.3 KiB
Bash
Executable File
86 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 1999 University of Utah and the Flux Group.
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# All rights reserved.
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#
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# This file is part of the Flux OSKit. The OSKit is free software, also known
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# as "open source;" you can redistribute it and/or modify it under the terms
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# of the GNU General Public License (GPL), version 2, as published by the Free
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# Software Foundation (FSF). To explore alternate licensing terms, contact
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# the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
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#
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# The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
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# received a copy of the GPL along with the OSKit; see the file COPYING. If
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# not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
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#
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#
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# This script uses mtools to modify a preexisting MS-DOS 1.44MB floppy image
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# to insert files on it. The intent is to use a pre-fab bootable image
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# (e.g. containing GRUB), and add files its boot loader will look for.
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#
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#
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# Usage: mkdosfloppy -img ORIGINAL-IMAGE -o OUTPUT-IMAGE [-label LABEL]
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# FILE[:DOSNAME]...
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#
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# The IMAGE file names may end in .gz if gzip'd.
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#
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while [ $# -gt 0 ]; do
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case "$1" in
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-img) oldimage="$2"; shift; shift ;;
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-o) newimage="$2"; shift; shift ;;
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-label) label="$2"; shift; shift ;;
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*) break ;;
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esac
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done
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mtools_conf=mtools.conf$$
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tmpimage=floppy.img$$
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trap 'rm -f $mtools_conf $tmpimage' 0 1 2 15
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set -e
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echo "drive x: file=\"`pwd`/$tmpimage\" 1.44m mformat_only" > $mtools_conf
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MTOOLSRC=$mtools_conf
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export MTOOLSRC
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case $oldimage in
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*.gz) gunzip -c $oldimage > $tmpimage ;;
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*) cp $oldimage $tmpimage ;;
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esac
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test "x$label" = x || echo "$label" | mlabel x: >/dev/null 2>&1
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for module in "$@"; do
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# Split out the associated string, if any.
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file="`echo $module | sed -e 's,:.*$,,'`"
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string="`echo $module | sed -e 's,^[^:]*:,,'`"
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test -n "$string" || string="$file"
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to="$string" from="$file"
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case "$to" in
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/*) ;;
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*) to="/$to" ;;
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esac
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mdel "x:$to" 2>/dev/null || true
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mcopy "$from" "x:$to"
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done
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kb=`mdu x: | awk '$1 == "X:/" { print ($2 / 2) }'`
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echo "Your floppy has ${kb} kilobytes of file data."
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case $newimage in
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*.gz) gzip -9v < $tmpimage > $newimage ;;
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*) mv -f $tmpimage $newimage ;;
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esac
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exit 0
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