update from netbsd

1 files changed, 998 insertions, 0 deletions

diff --git a/distrib/miniroot/install.sub b/distrib/miniroot/install.sub
new file mode 100644
index 00000000000..85a081886ce
--- /dev/null
+++ b/distrib/miniroot/install.sub
@@ -0,0 +1,998 @@
+#!/bin/sh
+#	$NetBSD: install.sub,v 1.1 1996/01/06 22:45:13 pk Exp $
+#
+# Copyright (c) 1995 Jason R. Thorpe.
+# All rights reserved.
+#
+# 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 for the NetBSD Project
+#	by Jason R. Thorpe.
+# 4. The name of the author may not be used to endorse or promote products
+#    derived from this software without specific prior written permission
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+#
+
+#	NetBSD installation/upgrade script - common subroutines.
+
+VERSION=1.1A
+export VERSION				# XXX needed in subshell
+ROOTDISK=""				# filled in below
+
+ALLSETS="base comp etc games man misc text"	# default install sets
+UPGRSETS="base comp games man misc text"	# default upgrade sets
+
+getresp() {
+	read resp
+	if [ "X$resp" = "X" ]; then
+		resp=$1
+	fi
+}
+
+isin() {
+# test the first argument against the remaining ones, return succes on a match
+	_a=$1; shift
+	while [ $# != 0 ]; do
+		if [ "$_a" = "$1" ]; then return 0; fi
+		shift
+	done
+	return 1
+}
+
+rmel() {
+# remove first argument from list formed by the remaining arguments
+	_a=$1; shift
+	while [ $# != 0 ]; do
+		if [ "$_a" != "$1" ]; then
+			echo "$1";
+		fi
+		shift
+	done
+}
+
+twiddle() {
+# spin the propeller so we don't get bored
+	while : ; do  
+		sleep 1; echo -n "/";
+		sleep 1; echo -n "-";
+		sleep 1; echo -n "\\";
+		sleep 1; echo -n "|";
+	done > /dev/tty & echo $!
+}
+
+. install.md
+
+do_mfs_mount() {
+	# $1 is the mount point
+	# $2 is the size in DEV_BIZE blocks
+
+	umount $1 > /dev/null 2>&1
+	if ! mount_mfs -s $2 swap $1 ; then
+		cat << \__mfs_failed_1
+
+FATAL ERROR: Can't mount the memory filesystem.
+
+__mfs_failed_1
+		exit
+	fi
+
+	# Bleh.  Give mount_mfs a chance to DTRT.
+	sleep 2
+}
+
+getrootdisk() {
+	cat << \__getrootdisk_1
+
+The installation program needs to know which disk to consider
+the root disk.  Note the unit number may be different than
+the unit number you used in the standalone installation
+program.
+
+Available disks are:
+
+__getrootdisk_1
+	_DKDEVS=`md_get_diskdevs`
+	echo	"$_DKDEVS"
+	echo	""
+	echo -n	"Which disk is the root disk? "
+	getresp ""
+	if isin $resp $_DKDEVS ; then
+		ROOTDISK="$resp"
+	else
+		echo ""
+		echo "The disk $resp does not exist."
+		ROOTDISK=""
+	fi
+}
+
+labelmoredisks() {
+	cat << \__labelmoredisks_1
+
+You may label the following disks:
+
+__labelmoredisks_1
+	echo "$_DKDEVS"
+	echo	""
+	echo -n	"Label which disk? [done] "
+	getresp "done"
+	case "$resp" in
+		done)
+			;;
+
+		*)
+			if echo "$_DKDEVS" | grep "^$resp" > /dev/null ; then
+				md_labeldisk $resp
+			else
+				echo ""
+				echo "The disk $resp does not exist."
+			fi
+			;;
+	esac
+}
+
+addhostent() {
+	# $1 - IP address
+	# $2 - symbolic name
+
+	# Create an entry in the hosts table.  If no host table
+	# exists, create one.  If the IP address already exists,
+	# replace it's entry.
+	if [ ! -f /tmp/hosts ]; then
+		echo "127.0.0.1 localhost" > /tmp/hosts
+	fi
+
+	if grep "^$1 " /tmp/hosts > /dev/null; then
+		grep -v "^$1 " /tmp/hosts > /tmp/hosts.new
+		mv /tmp/hosts.new /tmp/hosts
+	fi
+
+	echo "$1 $2 $2.$FQDN" >> /tmp/hosts
+}
+
+addifconfig() {
+	# $1 - interface name
+	# $2 - interface symbolic name
+	# $3 - interface IP address
+	# $4 - interface netmask
+
+	# Create a hostname.* file for the interface.
+	echo "inet $2 $4" > /tmp/hostname.$1
+
+	addhostent $3 $2
+}
+
+configurenetwork() {
+	local _ifsdone
+	local _ifs
+
+	_IFS=`md_get_ifdevs`
+	_ifsdone=""
+	resp=""		# force at least one iteration
+	while [ "X${resp}" != X"done" ]; do
+	cat << \__configurenetwork_1
+
+You may configure the following network interfaces (the interfaces
+marked with [X] have been succesfully configured):
+
+__configurenetwork_1
+
+		for _ifs in $_IFS; do
+			if isin $_ifs $_ifsdone ; then
+				echo -n "[X] "
+			else
+				echo -n "    "
+			fi
+			echo $_ifs
+		done
+		echo	""
+		echo -n	"Configure which interface? [done] "
+		getresp "done"
+		case "$resp" in
+		"done")
+			;;
+		*)
+			_ifs=$resp
+			if isin $_ifs $_IFS ; then
+				if configure_ifs $_ifs ; then
+					_ifsdone="$_ifs $_ifsdone"
+				fi
+			else
+				echo "Invalid response: \"$resp\" is not in list"
+			fi
+			;;
+		esac
+	done
+}
+
+configure_ifs() {
+
+	_interface_name=$1
+
+	# Get IP address
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "IP address? "
+		getresp ""
+		_interface_ip=$resp
+	done
+
+	# Get symbolic name
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Symbolic (host) name? "
+		getresp ""
+		_interface_symname=$resp
+	done
+
+	# Get netmask
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Netmask? "
+		getresp ""
+		_interface_mask=$resp
+	done
+
+	# Configure the interface.  If it
+	# succeeds, add it to the permanent
+	# network configuration info.
+	ifconfig ${_interface_name} down
+	if ifconfig ${_interface_name} inet \
+	    ${_interface_ip} \
+	    netmask ${_interface_mask} up ; then
+		addifconfig \
+		    ${_interface_name} \
+		    ${_interface_symname} \
+		    ${_interface_ip} \
+		    ${_interface_mask}
+		return 0
+	fi
+	return 1
+}
+
+# Much of this is gratuitously stolen from /etc/netstart.
+enable_network() {
+
+	# Set up the hostname.
+	if [ ! -f /mnt/etc/myname ]; then
+		echo "ERROR: no /etc/myname!"
+		return 1
+	fi
+	hostname=`cat /mnt/etc/myname`
+	hostname $hostname
+
+	# configure all the interfaces which we know about.
+(
+	tmp="$IFS"
+	IFS="$IFS."
+	set -- `echo /mnt/etc/hostname*`
+	IFS=$tmp
+	unset tmp
+
+	while [ $# -ge 2 ] ; do
+		shift		# get rid of "hostname"
+		(
+			read af name mask bcaddr extras
+			read dt dtaddr
+
+			if [ ! -n "$name" ]; then
+		    echo "/etc/hostname.$1: invalid network configuration file"
+				exit
+			fi
+
+			cmd="ifconfig $1 $af $name "
+			if [ "${dt}" = "dest" ]; then cmd="$cmd $dtaddr"; fi
+			if [ -n "$mask" ]; then cmd="$cmd netmask $mask"; fi
+			if [ -n "$bcaddr" -a "X$bcaddr" != "XNONE" ]; then
+				cmd="$cmd broadcast $bcaddr";
+			fi
+			cmd="$cmd $extras"
+
+			$cmd
+		) < /mnt/etc/hostname.$1
+		shift
+	done
+)
+
+	# set the address for the loopback interface
+	ifconfig lo0 inet localhost
+
+	# use loopback, not the wire
+	route add $hostname localhost
+
+	# /etc/mygate, if it exists, contains the name of my gateway host
+	# that name must be in /etc/hosts.
+	if [ -f /mnt/etc/mygate ]; then
+		route delete default > /dev/null 2>&1
+		route add default `cat /mnt/etc/mygate`
+	fi
+
+	# enable the resolver, if appropriate.
+	if [ -f /mnt/etc/resolv.conf ]; then
+		_resolver_enabled="TRUE"
+		cp /mnt/etc/resolv.conf /tmp/resolv.conf.shadow
+	fi
+
+	# Display results...
+	echo	"Network interface configuration:"
+	ifconfig -a
+
+	echo	""
+
+	if [ "X${_resolver_enabled}" = X"TRUE" ]; then
+		netstat -r
+		echo	""
+		echo	"Resolver enabled."
+	else
+		netstat -rn
+		echo	""
+		echo	"Resolver not enabled."
+	fi
+
+	return 0
+}
+
+install_ftp() {
+	# Get several parameters from the user, and create
+	# a shell script that directs the appropriate
+	# commands into ftp.
+	cat << \__install_ftp_1
+
+This is an automated ftp-based installation process.  You will be asked
+several questions.  The correct set of commands will be placed in a script
+that will be fed to ftp(1).
+
+__install_ftp_1
+	# Get server IP address
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Server IP? [${_ftp_server_ip}] "
+		getresp "${_ftp_server_ip}"
+		_ftp_server_ip=$resp
+	done
+
+	# Get server directory
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Server directory? [${_ftp_server_dir}] "
+		getresp "${_ftp_server_dir}"
+		_ftp_server_dir=$resp
+	done
+
+	# Get login name
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Login? [${_ftp_server_login}] "
+		getresp "${_ftp_server_login}"
+		_ftp_server_login=$resp 
+	done
+
+	# Get password
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Password? [${_ftp_server_password}] "
+		getresp "${_ftp_server_password}"
+		_ftp_server_password=$resp
+	done
+
+	# Get list of files for mget.
+	cat << \__install_ftp_2
+
+You will now be asked for files to extract.  Enter one file at a time.
+When you are done entering files, enter 'done'.
+
+__install_ftp_2
+	echo "#!/bin/sh" > /tmp/ftp-script.sh
+	echo "cd /mnt" >> /tmp/ftp-script.sh
+	echo "ftp -i -n $_ftp_server_ip << \__end_commands" >> \
+	    /tmp/ftp-script.sh
+	echo "user $_ftp_server_login $_ftp_server_password" >> \
+	    /tmp/ftp-script.sh
+	echo "bin" >> /tmp/ftp-script.sh
+	echo "cd $_ftp_server_dir" >> /tmp/ftp-script.sh
+
+	resp=""		# force one interation
+	while [ "X${resp}" != X"done" ]; do
+		echo -n "File? [done] "
+		getresp "done"
+		if [ "X${resp}" = X"done" ]; then
+			break
+		fi
+
+		_ftp_file=`echo ${resp} | awk '{print $1}'`
+		echo "get ${_ftp_file} |\"tar --unlink -zxvpf -\"" >> \
+		    /tmp/ftp-script.sh
+	done
+
+	echo "quit" >> /tmp/ftp-script.sh
+	echo "__end_commands" >> /tmp/ftp-script.sh
+
+	sh /tmp/ftp-script.sh
+	rm -f /tmp/ftp-script.sh
+	echo "Extraction complete."
+}
+
+install_common_nfs_cdrom() {
+	# $1 - directory containing file
+	local _filename
+	local _setsdone
+	local _prev
+	local _f
+
+	_sets=`(cd /mnt2/$1; ls *.tar.gz)`
+	if [ -z "$_sets" ]; then
+		echo "There are no NetBSD install sets available in \"$1\""
+		return
+	fi
+
+	_setsdone=""
+	while : ; do
+		echo "The following sets are available for extraction:"
+		echo "(marked sets have already been extracted)"
+		echo ""
+
+		_prev=""
+		for _f in $_sets ; do
+			if isin $_f $_setsdone; then
+				echo -n "[X] "
+			else
+				echo -n "    "
+				if [ -z "$_prev" ]; then _prev=$_f; fi
+			fi
+			echo $_f
+		done
+		echo ""
+
+		# Get the name of the file.
+		if [ "X$_prev" = "X" ]; then resp=n; else resp=y; fi
+		echo -n "Continue extraction [$resp]?"
+		getresp "$resp"
+		if [ "$resp" = "n" ]; then
+			break
+		fi
+
+		echo -n "File name [$_prev]? "
+		getresp "$_prev"
+		_f=$resp
+		_filename="/mnt2/$1/$_f"
+
+		# Ensure file exists
+		if [ ! -f $_filename ]; then
+			echo "File $_filename does not exist.  Check to make"
+			echo "sure you entered the information properly."
+			continue
+		fi
+
+		# Extract file
+		cat $_filename | (cd /mnt; tar -zxvpf -)
+		echo "Extraction complete."
+		_setsdone="$_f $_setsdone"
+
+	done
+}
+
+install_cdrom() {
+	# Get the cdrom device info
+	cat << \__install_cdrom_1
+
+The following CD-ROM devices are installed on your system; please select
+the CD-ROM device containing the installation media:
+
+__install_cdrom_1
+	_CDDEVS=`md_get_cddevs`
+	echo    "$_CDDEVS"
+	echo	""
+	echo -n	"Which is the CD-ROM with the installation media? [abort] "
+	getresp "abort"
+	case "$resp" in
+		abort)
+			echo "Aborting."
+			return
+			;;
+
+		*)
+			if isin $resp $_CDDEVS ; then
+				_cdrom_drive=$resp
+			else
+				echo ""
+				echo "The CD-ROM $resp does not exist."
+				echo "Aborting."
+				return
+			fi
+			;;
+	esac
+
+	# Get partition
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Partition? [c] "
+		getresp "c"
+		case "$resp" in
+			[a-h])
+				_cdrom_partition=$resp
+				;;
+
+			*)
+				echo "Invalid response: $resp"
+				resp=""		# force loop to repeat
+				;;
+		esac
+	done
+
+	# Ask for filesystem type
+	cat << \__install_cdrom_2
+
+There are two CD-ROM filesystem types currently supported by this program:
+	1) ISO-9660 (cd9660)
+	2) Berkeley Fast Filesystem (ffs)
+
+__install_cdrom_2
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Which filesystem type? [cd9660] "
+		getresp "cd9660"
+		case "$resp" in
+			cd9660|ffs)
+				_cdrom_filesystem=$resp
+				;;
+
+			*)
+				echo "Invalid response: $resp"
+				resp=""		# force loop to repeat
+				;;
+		esac
+	done
+
+	# Mount the CD-ROM
+	if ! mount -t ${_cdrom_filesystem} -o ro \
+	    /dev/${_cdrom_drive}${_cdrom_partition} /mnt2 ; then
+		echo "Cannot mount CD-ROM drive.  Aborting."
+		return
+	fi
+
+	# Get the directory where the file lives
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo "Enter the directory relative to the mount point that"
+		echo -n "contains the file. [${_cdrom_directory}] "
+		getresp "${_cdrom_directory}"
+	done
+	_cdrom_directory=$resp
+
+	install_common_nfs_cdrom ${_cdrom_directory}
+	umount -f /mnt2 > /dev/null 2>&1
+}
+
+install_nfs() {
+	# Get the IP address of the server
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Server IP address? [${_nfs_server_ip}] "
+		getresp "${_nfs_server_ip}"
+	done
+	_nfs_server_ip=$resp
+
+	# Get server path to mount
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Filesystem on server to mount? [${_nfs_server_path}] "
+		getresp "${_nfs_server_path}"
+	done
+	_nfs_server_path=$resp
+
+	# Determine use of TCP
+	echo -n "Use TCP transport (only works with capable NFS server)? [n] "
+	getresp "n"
+	case "$resp" in
+		y*|Y*)
+			_nfs_tcp="-T"
+			;;
+
+		*)
+			_nfs_tcp=""
+			;;
+	esac
+
+	# Mount the server
+	mkdir /mnt2 > /dev/null 2>&1
+	if ! mount_nfs $_nfs_tcp ${_nfs_server_ip}:${_nfs_server_path} \
+	    /mnt2 ; then
+		echo "Cannot mount NFS server.  Aborting."
+		return
+	fi
+
+	# Get the directory where the file lives
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo "Enter the directory relative to the mount point that"
+		echo -n "contains the file. [${_nfs_directory}] "
+		getresp "${_nfs_directory}"
+	done
+	_nfs_directory=$resp
+
+	install_common_nfs_cdrom ${_nfs_directory}
+	umount -f /mnt2 > /dev/null 2>&1
+}
+
+install_tape() {
+	# Get the name of the tape from the user.
+	cat << \__install_tape_1
+
+The installation program needs to know which tape device to use.  Make
+sure you use a "no rewind on close" device.
+
+__install_tape_1
+	_tape=`basename $TAPE`
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Name of tape device? [${_tape}]"
+		getresp "${_tape}"
+	done
+	_tape=`basename $resp`
+	TAPE="/dev/${_tape}"
+	if [ ! -c $TAPE ]; then
+		echo "$TAPE does not exist or is not a character special file."
+		echo "Aborting."
+		return
+	fi
+	export TAPE
+
+	# Rewind the tape device
+	echo -n "Rewinding tape..."
+	if ! mt rewind ; then
+		echo "$TAPE may not be attached to the system or may not be"
+		echo "a tape device.  Aborting."
+		return
+	fi
+	echo "done."
+
+	# Get the file number
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "File number? "
+		getresp ""
+		case "$resp" in
+			[1-9]*)
+				_nskip=`expr $resp - 1`
+				;;
+
+			*)
+				echo "Invalid file number ${resp}."
+				resp=""		# fore loop to repeat
+				;;
+		esac
+	done
+
+	# Skip to correct file.
+	echo -n "Skipping to source file..."
+	if [ "X${_nskip}" != X"0" ]; then
+		if ! mt fsf $_nskip ; then
+			echo "Could not skip $_nskip files.  Aborting."
+			return
+		fi
+	fi
+	echo "done."
+
+	cat << \__install_tape_2
+
+There are 2 different ways the file can be stored on tape:
+
+	1) an image of a gzipped tar file
+	2) a standard tar image
+
+__install_tape_2
+	resp=""		# force one iteration
+	while [ "X${resp}" = X"" ]; do
+		echo -n "Which way is it? [1] "
+		getresp "1"
+		case "$resp" in
+			1)
+				(
+					cd /mnt
+					dd if=$TAPE | tar --unlink -zxvpf -
+				)
+				;;
+
+			2)
+				(
+					cd /mnt
+					dd if=$TAPE | tar --unlink -xvpf -
+				)
+				;;
+
+			*)
+				echo "Invalid response: $resp."
+				resp=""		# force loop to repeat
+				;;
+		esac
+	done
+	echo "Extraction complete."
+}
+
+get_timezone() {
+	local _a
+cat << \__get_timezone_1
+
+Select a time zone for your location. Timezones are represented on the
+system by a directory structure rooted in "/usr/share/timezone". Most
+timezones can be selected by entering a token like "MET" or "GMT-6".
+Other zones are grouped by continent, with detailed zone information
+separated by a slash ("/"), e.g. "US/Pacific".
+
+To get a listing of what's available in /usr/share/zoneinfo, enter "?"
+at the prompts below.
+
+__get_timezone_1
+	if [ X$TZ = X ]; then
+		TZ=`ls -l /etc/timezone 2>/dev/null | awk '{print $NF}' |
+			sed -e 's?/usr/share/zoneinfo/??'`
+	fi
+	while :; do
+		echo -n	"What timezone are you in [\`?' for list] [$TZ]? "
+		getresp "$TZ"
+		case "$resp" in
+		"")
+			echo "Timezone defaults to GMT"
+			TZ="GMT"
+			break;
+			;;
+		"?")
+			ls /usr/share/zoneinfo
+			;;
+		*)
+			_a=$resp
+			while [ -d /usr/share/zoneinfo/$_a ]; do
+				echo -n "There are several timezones available"
+				echo " within zone '$_a'"
+				echo -n "Select a sub-timezone [\`?' for list]: "
+				getresp ""
+				case "$resp" in
+				"?") ls /usr/share/zoneinfo/$_a ;;
+				*)	_a=${_a}/${resp}
+					if [ -f /usr/share/zoneinfo/$_a ]; then
+						break;
+					fi
+					;;
+				esac
+			done
+			if [ -f /usr/share/zoneinfo/$_a ]; then
+				TZ="$_a"
+				echo "You have selected timezone \"$_a\"".
+				break 2
+			fi
+			echo "'/usr/share/zoneinfo/$_a' is not a valid timezone on this system."
+			;;
+		esac
+	done
+}
+
+install_sets()
+{
+# arguments: the base names of the distribution sets to consider
+# Ask the user which media to load the distribution from.
+cat << \__install_sets_1
+
+It is now time to extract the installation sets onto the hard disk.
+Make sure The sets are either on a local device (i.e. tape, CD-ROM) or on a
+network server.
+
+__install_sets_1
+if [ -f $RELDIR/$1.tar.gz ]; then
+	echo -n "Install from sets in the current root filesystem? [y] "
+	getresp "y"
+	case "$resp" in
+	y*|Y*)
+		for _f do
+			if [ ! -f $RELDIR/${_f}.tar.gz ]; then
+				continue
+			fi
+			echo -n "Install \"$_f\" ? [y]"
+			getresp "y"
+			case "$resp" in
+			y*|Y*)
+			     cat $RELDIR/${_f}.tar.gz |
+					(cd /mnt; tar --unlink -zxvpf -)
+				_yup="TRUE"
+				echo "Extraction complete."
+				;;
+			*)
+				echo "Skipping \"$_f\"."
+				;;
+			esac
+		done
+		;;
+	*)
+		_yup="FALSE"
+		;;
+	esac
+else
+	_yup="FALSE"
+fi
+
+# Go on prodding for alternate locations
+resp=""		# force at least one iteration
+while [ "X${resp}" = X"" ]; do
+	# If _yup is not FALSE, it means that we extracted sets above.
+	# If that's the case, bypass the menu the first time.
+	if [ X"$_yup" = X"FALSE" ]; then
+		echo -n	"Install from (f)tp, (t)ape, (C)D-ROM, or (N)FS? [f] "
+		getresp "f"
+		case "$resp" in
+		f*|F*)
+			install_ftp
+			;;
+
+		t*|T*)
+			install_tape
+			;;
+
+		c*|C*)
+			install_cdrom
+			;;
+
+		n*|N*)
+			install_nfs
+			;;
+
+		*)
+			echo "Invalid response: $resp"
+			resp=""
+			;;
+		esac
+	else
+		_yup="FALSE"	# So we'll ask next time
+	fi
+
+	# Give the user the opportunity to extract more sets.  They don't
+	# necessarily have to come from the same media.
+	echo	""
+	echo -n	"Extract more sets? [n] "
+	getresp "n"
+	case "$resp" in
+	y*|Y*)
+		# Force loop to repeat
+		resp=""
+		;;
+
+	*)
+		;;
+	esac
+done
+}
+
+munge_fstab()
+{
+	local _fstab
+	local _fstab_shadow
+	# Now that the 'real' fstab is configured, we munge it into a 'shadow'
+	# fstab which we'll use for mounting and unmounting all of the target
+	# filesystems relative to /mnt.  Mount all filesystems.
+	_fstab=$1
+	_fstab_shadow=$2
+	awk '{
+		if ($2 == "/")
+		    printf("%s /mnt %s %s %s %s\n", $1, $3, $4, $5, $6)
+		else
+		    printf("%s /mnt%s %s %s %s %s\n", $1, $2, $3, $4, $5, $6)
+	}' < $_fstab > $_fstab_shadow
+}
+
+mount_fs()
+{
+	# Must mount filesystems manually, one at a time, so we can make
+	# sure the mount points exist.
+	# $1 is a file in fstab format
+	local _fstab
+
+	_fstab=$1
+
+	( while read line; do
+		_dev=`echo $line | awk '{print $1}'`
+		_mp=`echo $line | awk '{print $2}'`
+		_fstype=`echo $line | awk '{print $3}'`
+		_opt=`echo $line | awk '{print $4}'`
+
+		# If not the root filesystem, make sure the mount
+		# point is present.
+		if [ "X{$_mp}" != X"/mnt" ]; then
+			mkdir -p $_mp
+		fi
+
+		# Mount the filesystem.  If the mount fails, exit
+		# with an error condition to tell the outer
+		# later to bail.
+		if ! mount -v -t $_fstype -o $_opt $_dev $_mp ; then
+			# error message displated by mount
+			exit 1
+		fi
+	done ) < $_fstab
+
+	if [ "X${?}" != X"0" ]; then
+		cat << \__mount_filesystems_1
+
+FATAL ERROR:  Cannot mount filesystems.  Double-check your configuration
+and restart the installation process.
+__mount_filesystems_1
+		exit
+	fi
+}
+
+unmount_fs()
+{
+	# Unmount all filesystems and check their integrity.
+	# $1 is a file in fstab format
+	local _fstab
+
+	_fstab=$1
+
+	echo -n	"Syncing disks..."
+	pid=`twiddle`
+	sync; sleep 4; sync; sleep 2; sync; sleep 2
+	kill $pid
+	echo	"done."
+
+	(
+		_devs=""
+		_mps=""
+		# maintain reverse order
+		while read line; do
+			_devs="`echo $line | awk '{print $1}'` ${_devs}"
+			_mps="`echo $line | awk '{print $2}'` ${_mps}"
+		done
+		echo -n "Umounting filesystems... "
+		for _mp in ${_mps}; do
+			echo -n "${_mp} "
+			umount ${_mp}
+		done
+		echo "Done."
+
+		echo "Checking filesystem integrity..."
+		for _dev in ${_devs}; do
+			echo  "${_dev}"
+			fsck -f ${_dev}
+		done
+		echo "Done."
+	) < $_fstab
+}
+
+check_fs()
+{
+	# Check filesystem integrity.
+	# $1 is a file in fstab format
+	local _fstab
+
+	_fstab=$1
+
+	(
+		_devs=""
+		_mps=""
+		while read line; do
+			_devs="`echo $line | awk '{print $1}'` ${_devs}"
+			_mps="`echo $line | awk '{print $2}'` ${_mps}"
+		done
+
+		echo "Checking filesystem integrity..."
+		for _dev in ${_devs}; do
+			echo  "${_dev}"
+			fsck -f ${_dev}
+		done
+		echo "Done."
+	) < $_fstab
+}