NetBSD/distrib/miniroot/upgrade.sh

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#!/bin/sh
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# $NetBSD: upgrade.sh,v 1.8 1996/10/09 00:13:36 jtc Exp $
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#
# Copyright (c) 1996 The NetBSD Foundation, Inc.
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# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Jason R. Thorpe.
#
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# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the NetBSD
# Foundation, Inc. and its contributors.
# 4. Neither the name of The NetBSD Foundation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
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#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
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#
# NetBSD installation script.
# In a perfect world, this would be a nice C program, with a reasonable
# user interface.
ROOTDISK="" # filled in below
trap "unmount_fs -fast /tmp/fstab.shadow > /dev/null 2>&1; rm -f /tmp/fstab.shadow" 0
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MODE="upgrade"
# include machine-dependent functions
# The following functions must be provided:
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# md_copy_kernel() - copy a kernel to the installed disk
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# md_get_diskdevs() - return available disk devices
# md_get_cddevs() - return available CD-ROM devices
# md_get_ifdevs() - return available network interfaces
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# md_get_partition_range() - return range of valid partition letters
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# md_installboot() - install boot-blocks on disk
# md_labeldisk() - put label on a disk
# md_welcome_banner() - display friendly message
# md_not_going_to_install() - display friendly message
# md_congrats() - display friendly message
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# include machine dependent subroutines
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. install.md
# include common subroutines
. install.sub
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# which sets?
THESETS="$UPGRSETS"
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# Good {morning,afternoon,evening,night}.
md_welcome_banner
echo -n "Proceed with upgrade? [n] "
getresp "n"
case "$resp" in
y*|Y*)
echo "Cool! Let's get to it..."
;;
*)
md_not_going_to_install
exit
;;
esac
# Deal with terminal issues
md_set_term
# XXX Work around vnode aliasing bug (thanks for the tip, Chris...)
ls -l /dev > /dev/null 2>&1
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# Make sure we can write files (at least in /tmp)
# This might make an MFS mount on /tmp, or it may
# just re-mount the root with read-write enabled.
md_makerootwritable
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while [ "X${ROOTDISK}" = "X" ]; do
getrootdisk
done
# Assume partition 'a' of $ROOTDISK is for the root filesystem. Confirm
# this with the user. Check and mount the root filesystem.
resp="" # force one iteration
while [ "X${resp}" = "X" ]; do
echo -n "Root filesystem? [${ROOTDISK}a] "
getresp "${ROOTDISK}a"
_root_filesystem="/dev/`basename $resp`"
if [ ! -b ${_root_filesystem} ]; then
echo "Sorry, ${resp} is not a block device."
resp="" # force loop to repeat
fi
done
echo "Checking root filesystem..."
if ! fsck -pf ${_root_filesystem}; then
echo "ERROR: can't check root filesystem!"
exit 1
fi
echo "Mounting root filesystem..."
if ! mount -o ro ${_root_filesystem} /mnt; then
echo "ERROR: can't mount root filesystem!"
exit 1
fi
# Grab the fstab so we can munge it for our own use.
if [ ! -f /mnt/etc/fstab ]; then
echo "ERROR: no /etc/fstab!"
exit 1
fi
# Grab the hosts table so we can use it.
if [ ! -f /mnt/etc/hosts ]; then
echo "ERROR: no /etc/hosts!"
exit 1
fi
cp /mnt/etc/hosts /tmp/hosts
# Start up the network in same/similar configuration as the installed system
# uses.
cat << \__network_config_1
The upgrade program would now like to enable the network. It will use the
configuration already stored on the root filesystem. This is required
if you wish to use the network installation capabilities of this program.
__network_config_1
echo -n "Enable network? [y] "
getresp "y"
case "$resp" in
y*|Y*)
if ! enable_network; then
echo "ERROR: can't enable network!"
exit 1
fi
cat << \__network_config_2
You will now be given the opportunity to escape to the command shell to
do any additional network configuration you may need. This may include
adding additional routes, if needed. In addition, you might take this
opportunity to redo the default route in the event that it failed above.
__network_config_2
echo -n "Escape to shell? [n] "
getresp "n"
case "$resp" in
y*|Y*)
echo "Type 'exit' to return to upgrade."
sh
;;
*)
;;
esac
;;
*)
;;
esac
# Now that the network has been configured, it is safe to configure the
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# fstab. We remove all but ufs/ffs.
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(
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> /tmp/fstab
while read _dev _mp _fstype _rest ; do
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if [ "X${_fstype}" = X"ufs" -o \
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"X${_fstype}" = X"ffs" ]; then
if [ "X${_fstype}" = X"ufs" ]; then
# Convert ufs to ffs.
_fstype=ffs
fi
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echo "$_dev $_mp $_fstype $_rest" >> /tmp/fstab
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fi
done
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) < /mnt/etc/fstab
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echo "The fstab is configured as follows:"
echo ""
cat /tmp/fstab
cat << \__fstab_config_1
You may wish to edit the fstab. For example, you may need to resolve
dependencies in the order which the filesystems are mounted. Note that
this fstab is only for installation purposes, and will not be copied into
the root filesystem.
__fstab_config_1
echo -n "Edit the fstab? [n] "
getresp "n"
case "$resp" in
y*|Y*)
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${EDITOR} /tmp/fstab
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;;
*)
;;
esac
echo ""
munge_fstab /tmp/fstab /tmp/fstab.shadow
if ! umount /mnt; then
echo "ERROR: can't unmount previously mounted root!"
exit 1
fi
# Check all of the filesystems.
check_fs /tmp/fstab.shadow
# Mount filesystems.
mount_fs /tmp/fstab.shadow
echo -n "Are the upgrade sets on one of your normally mounted (local) filesystems? [y] "
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getresp "y"
case "$resp" in
y*|Y*)
get_localdir /mnt
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;;
*)
;;
esac
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# Install sets.
install_sets
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# Get timezone info
get_timezone
# Fix up the fstab.
echo -n "Converting ufs to ffs in /etc/fstab..."
(
> /tmp/fstab
while read _dev _mp _fstype _rest ; do
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if [ "X${_fstype}" = X"ufs" ]; then
# Convert ufs to ffs.
_fstype=ffs
fi
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echo "$_dev $_mp $_fstype $_rest" >> /tmp/fstab
done
) < /mnt/etc/fstab
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echo "done."
echo -n "Would you like to edit the resulting fstab? [y] "
getresp "y"
case "$resp" in
y*|Y*)
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${EDITOR} /tmp/fstab
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;;
*)
;;
esac
# Copy in configuration information and make devices in target root.
(
cd /tmp
for file in fstab; do
if [ -f $file ]; then
echo -n "Copying $file..."
cp $file /mnt/etc/$file
echo "done."
fi
done
echo -n "Installing timezone link..."
rm -f /mnt/etc/localtime
ln -s /usr/share/zoneinfo/$TZ /mnt/etc/localtime
echo "done."
echo -n "Making devices..."
_pid=`twiddle`
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cd /mnt/dev
sh MAKEDEV all
kill $_pid
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echo "done."
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md_copy_kernel
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md_installboot ${ROOTDISK}
)
unmount_fs /tmp/fstab.shadow
# Pat on the back.
md_congrats
# ALL DONE!
exit 0