369 lines
8.9 KiB
Bash
369 lines
8.9 KiB
Bash
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#!/bin/sh
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#
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# setup 4.1 - install a Minix distribution Author: Kees J. Bot
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# 20 Dec 1994
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PATH=/bin:/usr/bin
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export PATH
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usage()
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{
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cat >&2 <<'EOF'
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Usage: setup # Install a skeleton system on the hard disk.
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setup /usr # Install the rest of the system (binaries or sources).
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# To install from other things then floppies:
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urlget http://... | setup /usr # Read from a web site.
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urlget ftp://... | setup /usr # Read from an FTP site.
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mtools copy c0d0p0:... - | setup /usr # Read from the C: drive.
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dosread c0d0p0 ... | setup /usr # Likewise if no mtools.
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EOF
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exit 1
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}
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# No options.
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while getopts '' opt; do usage; done
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shift `expr $OPTIND - 1`
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# Installing a floppy set?
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case $# in
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0) # No, we're installing a skeleton system on the hard disk.
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;;
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1)
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cd "$1" || exit
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# Annoying message still there?
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grep "'setup /usr'" /etc/issue >/dev/null 2>&1 && rm -f /etc/issue
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if [ -t 0 ]
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then
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size=bad
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while [ "$size" = bad ]
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do
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echo -n "\
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What is the size of the images on the diskettes? [all] "; read size
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case $size in
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''|360|720|1200|1440)
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;;
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*) echo "Sorry, I don't believe \"$size\", try again." >&2
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size=bad
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esac
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done
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drive=
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while [ -z "$drive" ]
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do
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echo -n "What floppy drive to use? [0] "; read drive
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case $drive in
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'') drive=0
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;;
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[01])
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;;
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*) echo "It must be 0 or 1, not \"$drive\"."
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drive=
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esac
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done
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vol -r $size /dev/fd$drive | uncompress | tar xvfp -
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else
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# Standard input is where we can get our files from.
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uncompress | tar xvfp -
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fi
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echo Done.
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exit
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;;
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*)
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usage
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esac
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# Installing Minix on the hard disk.
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# Must be in / or we can't mount or umount.
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case "`pwd`" in
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/?*)
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echo "Please type 'cd /' first, you are locking up `pwd`" >&2
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exit 1
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esac
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case "$0" in
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/tmp/*)
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rm -f "$0"
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;;
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*) cp -p "$0" /tmp/setup
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exec /tmp/setup
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esac
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# Find out what we are running from.
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exec 9<&0 </etc/mtab # Mounted file table.
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read thisroot rest # Current root (/dev/ram or /dev/fd?)
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read fdusr rest # USR (/dev/fd? or /dev/fd?p2)
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exec 0<&9 9<&-
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# What do we know about ROOT?
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case $thisroot:$fdusr in
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/dev/ram:/dev/fd0p2) fdroot=/dev/fd0 # Combined ROOT+USR in drive 0
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;;
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/dev/ram:/dev/fd1p2) fdroot=/dev/fd1 # Combined ROOT+USR in drive 1
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;;
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/dev/ram:/dev/fd*) fdroot=unknown # ROOT is some other floppy
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;;
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/dev/fd*:/dev/fd*) fdroot=$thisroot # ROOT is mounted directly
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;;
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*) fdroot=$thisroot # ?
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echo -n "\
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It looks like Minix has been installed on disk already. Are you sure you
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know what you are doing? [n] "
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read yn
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case "$yn" in
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[yY]*|sure) ;;
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*) exit
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esac
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esac
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echo -n "\
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This is the Minix installation script.
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Note 1: If the screen blanks suddenly then hit F3 to select \"software
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scrolling\".
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Note 2: If things go wrong then hit DEL and start over.
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Note 3: The installation procedure is described in the manual page
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usage(8). It will be hard without it.
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Note 4: Some questions have default answers, like this: [y]
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Simply hit RETURN (or ENTER) if you want to choose that answer.
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Note 5: If you see a colon (:) then you should hit RETURN to continue.
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:"
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read ret
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echo "
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What type of keyboard do you have? You can choose one of:
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"
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ls -C /usr/lib/keymaps | sed -e 's/\.map//g' -e 's/^/ /'
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echo -n "
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Keyboard type? [us-std] "; read keymap
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test -n "$keymap" && loadkeys "/usr/lib/keymaps/$keymap.map"
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echo -n "
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Minix needs one primary partition of at least 35 Mb. (It fits in 25 Mb, but
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it needs 35 Mb if fully recompiled. Add more space to taste, but don't
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overdo it, there are limits to the size of a file system.)
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If there is no free space on your disk then you have to back up one of the
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other partitions, shrink, and reinstall. See the appropriate manuals of the
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the operating systems currently installed. Restart your Minix installation
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after you have made space.
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To make this partition you will be put in the editor \"part\". Follow the
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advice under the '!' key to make a new partition of type MINIX. Do not
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touch an existing partition unless you know precisely what you are doing!
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Please note the name of the partition (e.g. c0d0p1, c0d1p3, c1d1p0) you
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make. (See the devices section in usage(8) on Minix device names.)
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:"
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read ret
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primary=
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while [ -z "$primary" ]
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do
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part || exit
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echo -n "
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Please finish the name of the primary partition you have created:
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(Just type RETURN if you want to rerun \"part\") /dev/"
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read primary
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done
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root=${primary}s0
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swap=${primary}s1
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usr=${primary}s2
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hex2int()
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{
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# Translate hexadecimal to integer.
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local h d i
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h=$1
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i=0
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while [ -n "$h" ]
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do
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d=$(expr $h : '\(.\)')
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h=$(expr $h : '.\(.*\)')
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d=$(expr \( 0123456789ABCDEF : ".*$d" \) - 1)
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i=$(expr $i \* 16 + $d)
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done
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echo $i
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}
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# Compute the amount of memory available to Minix.
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memsize=0
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ifs="$IFS"
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IFS=','
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set -- $(sysenv memory)
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IFS="$ifs"
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for mem
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do
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mem=$(expr $mem : '.*:\(.*\)')
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memsize=$(expr $memsize + $(hex2int $mem) / 1024)
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done
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# Compute an advised swap size.
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swapadv=0
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case `arch` in
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i86)
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test $memsize -lt 4096 && swapadv=$(expr 4096 - $memsize)
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;;
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*) test $memsize -lt 6144 && swapadv=$(expr 6144 - $memsize)
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esac
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echo -n "
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How much swap space would you like? Swapspace is only needed if this
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system is memory starved, like a 16-bit system with less then 2M, or a
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32-bit system with less then 4M. Minix swapping isn't very good yet, so
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there is no need for it otherwise.
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Size in kilobytes? [$swapadv] "
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swapsize=
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read swapsize
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test -z "$swapsize" && swapsize=$swapadv
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echo -n "
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You have created a partition named: /dev/$primary
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The following subpartitions are about to be created on /dev/$primary:
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Root subpartition: /dev/$root 1440 kb
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Swap subpartition: /dev/$swap $swapsize kb
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/usr subpartition: /dev/$usr rest of $primary
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Hit return if everything looks fine, or hit DEL to bail out if you want to
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think it over. The next step will destroy /dev/$primary.
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:"
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read ret
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# Secondary master bootstrap.
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installboot -m /dev/$primary /usr/mdec/masterboot >/dev/null || exit
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# Partition the primary.
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p3=0:0
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test "$swapsize" -gt 0 && p3=81:`expr $swapsize \* 2`
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partition /dev/$primary 1 81:2880* $p3 81:0+ >/dev/null || exit
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if [ "$swapsize" -gt 0 ]
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then
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# We must have that swap, now!
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mkswap -f /dev/$swap || exit
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mount -s /dev/$swap || exit
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else
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# Forget about swap.
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swap=
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fi
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echo "
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Migrating from floppy to disk...
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"
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mkfs /dev/$usr
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echo "\
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Scanning /dev/$usr for bad blocks. (Hit DEL to stop the scan if are
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absolutely sure that there can not be any bad blocks. Otherwise just wait.)"
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trap ': nothing' 2
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readall -b /dev/$usr | sh
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echo "Scan done"
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sleep 2
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trap 2
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mount /dev/$usr /mnt || exit # Mount the intended /usr.
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cpdir -v /usr /mnt || exit # Copy the usr floppy.
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umount /dev/$usr || exit # Unmount the intended /usr.
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umount $fdusr # Unmount the /usr floppy.
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mount /dev/$usr /usr || exit # A new /usr
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if [ $fdroot = unknown ]
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then
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echo "
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By now the floppy USR has been copied to /dev/$usr, and it is now in use as
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/usr. Please insert the installation ROOT floppy in a floppy drive."
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drive=
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while [ -z "$drive" ]
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do
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echo -n "What floppy drive is it in? [0] "; read drive
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case $drive in
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'') drive=0
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;;
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[01])
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;;
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*) echo "It must be 0 or 1, not \"$drive\"."
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drive=
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esac
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done
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fdroot=/dev/fd$drive
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fi
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echo "
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Copying $fdroot to /dev/$root
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"
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mkfs /dev/$root || exit
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mount /dev/$root /mnt || exit
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if [ $thisroot = /dev/ram ]
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then
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# Running from the RAM disk, root image is on a floppy.
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mount $fdroot /root || exit
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cpdir -v /root /mnt || exit
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umount $fdroot || exit
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cpdir -f /dev /mnt/dev # Copy any extra MAKEDEV'd devices
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else
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# Running from the floppy itself.
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cpdir -vx / /mnt || exit
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chmod 555 /mnt/usr
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fi
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# Change /etc/fstab.
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echo >/mnt/etc/fstab "\
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# Poor man's File System Table.
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root=/dev/$root
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${swap:+swap=/dev/$swap}
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usr=/dev/$usr"
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# How to install further?
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echo >/mnt/etc/issue "\
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Login as root and run 'setup /usr' to install floppy sets."
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# National keyboard map.
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test -n "$keymap" && cp -p "/usr/lib/keymaps/$keymap.map" /mnt/etc/keymap
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umount /dev/$root || exit # Unmount the new root.
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# Compute size of the second level file block cache.
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case `arch` in
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i86)
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cache=`expr "0$memsize" - 1024`
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test $cache -lt 32 && cache=0
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test $cache -gt 512 && cache=512
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;;
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*)
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cache=`expr "0$memsize" - 2560`
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test $cache -lt 64 && cache=0
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test $cache -gt 1024 && cache=1024
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esac
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echo "Second level file system block cache set to $cache kb."
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if [ $cache -eq 0 ]; then cache=; else cache="ramsize=$cache"; fi
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# Make bootable.
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installboot -d /dev/$root /usr/mdec/bootblock /boot >/dev/null || exit
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edparams /dev/$root "rootdev=$root; ramimagedev=$root; $cache; save" || exit
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echo "
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Please insert the installation ROOT floppy and type 'halt' to exit Minix.
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You can type 'boot $primary' to try the newly installed Minix system. See
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\"TESTING\" in the usage manual."
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