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#!/bin/sh
# install1.fs disk 'install'
#
# Currently, no method for checking to see if the designated disk type is
# already in /etc/disktab.  You can edit it out of the file after installation.
#
OPSYSTEM=FreeBSD
OPSYSID=165
ROOTMIN=7
SWAPMIN=8
DISKMIN=`expr $ROOTMIN + $SWAPMIN + 1`
DEFBLOCKING=2
DEFSECT=17
DEFHEAD=12
DEFCYLN=1024
RUN_FDISK=""

set_arbitrary_defaults() {
cyls_per_disk=$DEFCYLN
tracks_per_cyl=$DEFHEAD
sects_per_track=$DEFSECT
unused_last_part=3
part_cnt=4
}


get_fdisk_data() {
cyls_per_disk=
part_id=
got_sysid=
part_cnt=0
sysid_cnt=0
have_opsys_part=
unused_last_part=
extent_max=0
extent_max_part=

fdisk /dev/r${drivename}d >fdisk.out 2>fdisk.err
if [ $? -gt 0 ]; then
	echo "Can't open /dev/r${drivename}d for reading!"
	set_arbitrary_defaults
	>fdisk.out 
	>fdisk.err
	return 2
elif [ -s fdisk.err ]; then
	echo "Disk doesn't appear to be initialized..."
	no_part_table=1
fi
while read data; do
	if [ ! "$cyls_per_disk" ]; then
		cyls_per_disk=`expr "$data" : '[^=]*=\([0-9]*\)'`
		tracks_per_cyl=`expr "$data" : '[^=]*=[^=]*=\([0-9]*\)'`
		sects_per_track=`expr "$data" : '[^=]*=[^=]*=[^=]*=\([0-9]*\)'`
		continue
	fi
	if [ "$got_sysid" ]; then
		start_part=`expr "$data" : '[^0-9]*\([0-9]*\)'`
		size_part=`expr "$data" : '[^0-9]*[0-9]*[^0-9]*\([0-9]*\)'`
		extent_part=`expr $start_part + $size_part`
		if [ $extent_part -gt $extent_max ]; then
			extent_max=$extent_part
			extent_max_part=$part_id
		fi
		eval start${part_id}=$start_part
		eval size${part_id}=$size_part
		sysid_cnt=`expr $sysid_cnt + 1`
		got_sysid=
		part_id=
	elif [  "$part_id" ]; then
		sysid=`expr "$data" : 'sysid \([0-9]*\)'`
		if [ "$no_part_table" -o "$sysid" = "0" -o \
		    "$(expr "$data" : '\(<UNUSED>\)')" = "<UNUSED>" ]; then
			unused_last_part=$part_id
			part_id=
			continue
		fi
		[ "$sysid" = "$OPSYSID" ] && have_opsys_part=$part_id
		eval sysid${part_id}=$sysid
		got_sysid=1
	else 
		part_id=`expr "$data" : 'The data[^0-9]*\([0-9]*\)'`
		beg_cyl=`expr "$data" : '[ 	]*beg[^0-9]*\([0-9]*\)'`
		end_cyl=`expr "$data" : '[ 	]*end[^0-9]*\([0-9]*\)'`
		if [ "$part_id" ]; then 	
			part_cnt=`expr $part_cnt + 1`
		elif [ "$beg_cyl"  ]; then
				if [ $beg_cyl -gt $cyls_per_disk ]; then
					no_part_table=1
					sysid_cnt=0
					have_opsys_part=0
					unused_last_part=`expr $part_cnt - 1`
				fi
		elif [ "$end_cyl" ]; then 
				if [ $end_cyl -gt $cyls_per_disk ]; then
					no_part_table=1
					sysid_cnt=0
					have_opsys_part=0
					unused_last_part=`expr $part_cnt - 1`
				fi
		fi
	fi
done <fdisk.out
if [ ! "$cyls_per_disk" ]; then
	set_arbitrary_defaults
	return 2
fi
>fdisk.out 
>fdisk.err
return 0
}

analyze_fdisk_data() {
# Case I: >1024 cylinders
force_offset=
if [ $cyls_per_disk -gt 1024 ]; then
	echo
	echo "WARNING: >1024 cylinders."
	echo -n "Overwriting existing partitions - okay? [y] "
	read resp junk
	[ ! "$resp" ] && resp=y
	case "$resp" in
	y*|Y*)
		RUN_FDISK=""
		force_offset=1
		opsys_off=0
		cyls_per_opsys=${cyls_per_disk}
		opsys_part=${unused_last_part:-3}
		return 0
		;;
	*)
		echo
		echo "If the number of disk cylinders does not exceed 1024, then ${OPSYSTEM}"
		echo "can be installed alongside other operating systems on a single disk."
		echo "Otherwise, it is system-dependent whether this will work or not."
		echo "In the worst case, ${OPSYSTEM} MUST be installed at the beginning of"
		echo "the disk, and existing partitions will be lost."
		echo
		echo "For now, we will assume that >1024 cylinders creates no problems..."
		# FALL THROUGH
		;;
	esac
fi
# Case II: no partitions used
if [ $sysid_cnt -eq 0 ]; then
	echo
	echo "WARNING: partition table is either missing or corrupt."
	echo "Existing partitions will be lost."
	part_cnt=${part_cnt:-4}
	RUN_FDISK="overwrite"
	opsys_off=1
	cyls_per_opsys=`expr ${cyls_per_disk} - 1`
	opsys_part=${unused_last_part:-3}
	return 0
# Case IIIa: overwrite an existing 386BSD/NetBSD/FreeBSD partition
elif [ "$have_opsys_part" ]; then
	echo
	echo "386/Net/FreeBSD partition already exists!"
	echo -n "Overwriting existing partition - okay? [y] "
	read resp junk
	[ ! "$resp" ] && resp=y
	case "$resp" in
	y*|Y*)
		# Set existing partiton values as default (after adjusting to
		# cylinder boundaries)
		eval opsys_size=\$size${have_opsys_part}
		eval opsys_start=\$start${have_opsys_part}
		[ $opsys_size -eq 50000 ] && opsys_size=$disksize
		opsys_off=`expr $opsys_start / $cylindersize`
		opsys_adjusted=`expr $opsys_off \* $cylindersize`
		if [ $opsys_adjusted -lt $opsys_start -o $opsys_off -eq 0 ]; then
			opsys_off=`expr $opsys_off + 1`
			opsys_adjusted=`expr $opsys_off \* $cylindersize`
			opsys_size=`expr $opsys_size - $opsys_adjusted + $opsys_start`
		fi
		cyls_per_opsys=`expr $opsys_size / $cylindersize`
		opsys_part=${have_opsys_part}
		RUN_FDISK="fdisk -u"
		return 0
		;;
	*)
		have_opsys_part=
		# FALL THROUGH
		;;
	esac
fi

# Case IIIb: no partitions available
if [ $sysid_cnt -eq $part_cnt -a ! "$have_opsys_part" ]; then
	echo
	echo "No unused partitions."
	echo "$OPSYSTEM cannot selectively overwrite existing partitions."
	echo -n "Install $OPSYSTEM and overwrite the entire disk? [n] "
	read resp junk
	case "$resp" in
	y*|Y*)
		# don't use first cylinder!
		opsys_off=1
		cyls_per_opsys=`expr $cyls_per_disk - 1`
		opsys_part=${unused_last_part}
		RUN_FDISK="overwrite"
		return 0
		;;
	*)
		return 2
		;;
	esac
fi


# *** CAVEAT ***
# $OPSYSTEM installs at the end of the disk.  If the
# beginning of the disk is free but not the end, install fails!

# Assume `fdisk -u' to add $OPSYSTEM in last unused partition for remaining cases
opsys_part=${unused_last_part}
RUN_FDISK="fdisk -u"
mb_sect=`expr 1024 \* 1024 / $bytes_per_sect`
disk_minimum=`expr $DISKMIN \* $mb_sect`

# Case IV: No room (at end of disk) for mininal install
disk_remaining=`expr $disksize - $extent_max`
if [ $disk_remaining -lt $disk_minimum ]; then
	echo
	echo "Not enough space ($DISKMIN Mb) at end of disk to install $OPSYSTEM."
	echo -n "Install FreeBSD and overwrite the entire disk? [n] "
	read resp junk
	case "$resp" in
	y*|Y*)
		# don't use first cylinder!
		opsys_off=1
		cyls_per_opsys=`expr $cyls_per_disk - 1`
		opsys_part=${unused_last_part}
		RUN_FDISK="overwrite"
		;;
	*)
		echo
		echo "WARNING: To install ${OPSYSTEM}, you're on your own in figuring"
		echo "out where on the disk it will fit without overwriting another"
		echo "partition..."
		# Set defaults assuming there is only one partition at end of disk
		eval start=\$start${extent_max_part}
		# don't use first cylinder!
		opsys_off=1
		cyls_per_opsys=`expr $start / $cylindersize - 1`
		;;
	esac
	return 0
fi

# Case V: Room for $OPSYSTEM and partition data okay
opsys_off=`expr $extent_max / $cylindersize`
opsys_extent=`expr $opsys_off \* $cylindersize`
[ $opsys_extent -lt $extent_max ] && opsys_off=`expr $opsys_off + 1`
cyls_per_opsys=`expr $cyls_per_disk - $opsys_off`
return 0
}

put_fdisk_data() {
start=$root_offset
size=$partition 

if [ "$RUN_FDISK" = "overwrite" ]; then
	# How do you overwrite without explicitly editing each entry?
	(
		echo y
		echo $cyls_per_disk
		echo $tracks_per_cyl
		echo $sects_per_track
		echo y
	) >fdisk.script
	i=0
	n=`expr ${part_cnt:-4} - 1`
	while [ $i -lt $n ]; do
		echo y
		echo 0
		echo 0
		echo 0
		echo n
		echo y
		i=`expr $i + 1`
	done >>fdisk.script
	(	echo y
		echo ${OPSYSID}
		echo ${start}
		echo ${size}
		echo n
		echo y
		echo y
		echo ${n}
		echo y
		echo y
	) >>fdisk.script
	fdisk -u <fdisk.script >/dev/null 2>&1
elif [ "$RUN_FDISK" ]; then
	$RUN_FDISK -${opsys_part:-${unused_last_part:-3}} <<-EOF >/dev/null 2>&1
	y
	$cyls_per_disk
	$tracks_per_cyl
	$sects_per_track
	y
	y
	${OPSYSID}
	${start}
	${size}
	n
	y
	y
	${opsys_part:-${unused_last_part:-3}}
	y
	y
	EOF
fi

}

echo    "Welcome to ${OPSYSTEM}."
echo
echo    "This program is designed to help put ${OPSYSTEM} on a hard disk with"
echo	"at least $DISKMIN Megabytes of free space."
echo
echo 	"If other operating systems are already on the disk, ${OPSYSTEM}"
echo	"should be able to install alongside them.  Otherwise, if the disk"
echo	"is being installed for the first time, it would probably be useful"
echo	"to have the disk's hardware manual, the installation notes, and a"
echo	"calculator handy."
echo
echo	"As with anything which modifies a hard drive's contents, this"
echo	"program can cause SIGNIFICANT data loss, and we strongly recommend"
echo	"making sure that the hard drive is backed up before going further with"
echo	"the installation process."
echo
echo -n "Proceed with installation? [y] "
read resp junk
resp=${resp:-y}
case "$resp" in
y*|Y*)
	echo
	echo    "Cool!  Let's get to it..."
	echo
	echo	"If a mistake is made along the way, don't bail out."
	echo	"At the end, you have the option to redo the configuration."
	echo	"If you really must quit at some point, type <CTRL>+C and"
	echo	"enter \`halt' at the command prompt, \`#'."
	;;
*)
	echo
	echo    "OK, then.  Enter \`halt' to halt the machine."
	echo    "Once the machine has halted, remove the floppy,"
	echo    "and press any key to reboot."
	exit
	;;
esac

mount -u /dev/fd0a /
sync
verified_install=""
while [ ! "$verified_install" ]; do	# Begin of Big Loop

rotdelay=""
drivename=wd0
drivetype=wd
sect_fwd=""
echo
echo    "First, we need to know the drive type.  This can be can be one of"
echo	"ESDI, SCSI, ST506, or IDE."
echo -n "Drive type? [${type:-IDE}] "
read resp junk
type=${resp:-${type:-IDE}}
case "$type" in
e*|E*|st*|ST*)
	echo -n "Does it support AUTOMATIC sector remapping? [y] "
	read remap junk
	case "$remap" in
	n*|N*)
		sect_fwd="sf:"
		;;
	esac
	case "$type" in
	e*|E*)
		DEFSECT=36
		;;
	esac
	;;
i*|I*)
	type=ST506
	rotdelay="-d 0"
	;;
sc*|SC*)
	drivename=sd0
	drivetype=sd
	type=SCSI
	rotdelay="-d 0"
	DEFSECT=32
	DEFHEAD=64
	;;
*)
	echo "Unknown type.  Assuming ST506 with automatic sectoring..."
	type=ST506
	;;
esac
echo
echo    "Disk is of device type $drivetype."
echo
echo -n "Number of bytes per disk sector? [${bytes_per_sect:-512}] "
read resp junk
bytes_per_sect=${resp:-${bytes_per_sect:-512}}
if [ ! "$partition" ]; then
	echo
	echo    "Please wait.  Examining device /dev/r${drivename}d..."
	get_fdisk_data
	if [ $? -gt 1 ]; then
		echo "Hm  - we can't seem to read that drive."
		echo
		echo -n "Are you sure that $type is the correct type? [n] "
		read resp
		case "$resp" in
		y*|Y*)
			echo "Well, since we can't even open it, there isn't much"
			echo "hope for writing a label  on it.  But you're free"
			echo "to give it a try.  You need to specify the geometry."
			;;
		*)
			echo "Okay.  Let's start again from the top."
			continue
			;;
		esac
	fi
fi
echo
echo	"Now we want to build a data base entry in /etc/disktab describing"
echo	"the geometry of the /dev/$drivename disk.  The name of the entry"
echo	"should be descriptive of the disk's type and model.  For example,"
echo	"a Maxtor IDE, model 7080 disk might be named \`maxtor7080'."
echo -n "Disk label name (one word, please)? [${name:-mfr_model}] "
read resp junk
name=${resp:-${name:-mfr_model}}
echo
echo -n "Total number of disk cylinders? [${cyls_per_disk:-${DEFCYLN}}] "
read resp junk
cyls_per_disk=${resp:-${cyls_per_disk:-${DEFCYLN}}}
echo
echo -n "Number of disk heads (i.e., tracks/cylinder)? [${tracks_per_cyl:-${DEFHEAD}}] "
read resp junk
tracks_per_cyl=${resp:-${tracks_per_cyl:-${DEFHEAD}}}
echo
echo -n "Number of disk sectors (i.e., sectors/track)? [${sects_per_track:-${DEFSECT}}] "
read resp junk
sects_per_track=${resp:-${sects_per_track:-${DEFSECT}}}
cylindersize=`expr $sects_per_track \* $tracks_per_cyl`
disksize=`expr $cylindersize \* $cyls_per_disk`
mb_sect=`expr 1024 \* 1024 / $bytes_per_sect`
mb_per_disk=`expr $disksize / $mb_sect`
opsys_cyls_min=`expr $DISKMIN \* $mb_sect / $cylindersize`
analyze_fdisk_data
if [ $? -eq 0 ]; then
	partition=`expr $cyls_per_opsys \* $cylindersize`
	part_offset=`expr $opsys_off \* $cylindersize`
fi
echo
echo "Disk has a total of $mb_per_disk Mb."
echo "The size of the ${OPSYSTEM} portion of the disk must be at least"
echo "${opsys_cyls_min} cylinders, and should not exceed $(expr $cyls_per_disk - 1) cylinders."
echo "The offset of ${OPSYSTEM} from the beginning of the disk should be at"
echo "least 1 cylinder."
echo 
echo "For efficiency, partitions begin and end on cylinder boundaries."
echo "If you know the size NN in Megabytes (Mb) of a partition you want, then"
echo "use the following formula to determine the number NC of cylinders to use:"
echo	"	NC = integer { ( NN * $mb_sect ) /  $cylindersize }"
while :; do
	echo -n "Total size of the ${OPSYSTEM} portion of the disk (in cylinders)? [${cyls_per_opsys:-`expr ${cyls_per_disk} - 1`}] "
	read resp junk
	cyls_per_opsys=${resp:-${cyls_per_opsys:-`expr ${cyls_per_disk} - 1`}}
	partition=`expr $cyls_per_opsys \* $cylindersize`
	if [ $cyls_per_opsys -lt $cyls_per_disk -a ! "$force_offset" ]; then
		echo
		echo -n "Offset of ${OPSYSTEM} from beginning of disk (in cylinders)? [${opsys_off:-1}] "
		read resp junk
		opsys_off=${resp:-${opsys_off:-1}}
	else
		echo
		echo "WARNING: Installing at cylinder 0 overwrites DOS partition table."
		echo "Existing partitions will be lost, and subsequent installs may fail."
		RUN_FDISK=""
		cyls_per_opsys=$cyls_per_disk
		partition=$disksize
		opsys_off=0
	fi
	part_offset=`expr $opsys_off \* $cylindersize`
	opsys_extent=`expr $opsys_off + $cyls_per_opsys`
	if [ ${opsys_extent} -gt ${cyls_per_disk} ]; then 
		echo
		echo "${OPSYSTEM} Size + Offset cannot exceed ${cyls_per_disk} cylinders."
	elif [ ${cyls_per_opsys} -lt ${opsys_cyls_min} ]; then
		echo
		echo "${OPSYSTEM} requires at least ${opsys_cyls_min} cylinders to install."
	else	break 
	fi
done
badspacesec=0
if [ "$sect_fwd" = "sf:" ]; then
	badspacecyl=`expr $sects_per_track + 126`
	badspacecyl=`expr $badspacecyl + $cylindersize - 1`
	badspacecyl=`expr $badspacecyl / $cylindersize`
	badspacesec=`expr $badspacecyl \* $cylindersize`
	echo
	echo -n "Using $badspacesec sectors ($badspacecyl cylinders) for the "
	echo "bad144 bad block table"
fi
whats_left=`expr $partition - $badspacesec`
cyl_left=`expr $whats_left / $cylindersize`
mb_left=`expr $whats_left / $mb_sect`
swap_cyls_min=`expr $SWAPMIN \* $mb_sect / $cylindersize`
root_cyls_max=`expr ${cyl_left} - ${swap_cyls_min}`
root_cyls_min=`expr $ROOTMIN \* $mb_sect / $cylindersize`
echo
echo "There are $mb_left Mb ($cyl_left cylinders) to allocate."
echo
echo "The $OPSYSTEM portion of the disk must itself be divided into at least"
echo "two partitions: one for the root filesystem and one for swap.  It is a"
echo "good idea to have at least a third (large) $OPSYSTEM partition for the /usr"
echo "filesystem."
echo
echo "The root partition cannot exceed ${root_cyls_max} cylinders.  It is usually"
echo "no larger than about 15 Mb ($(expr 15 \* $mb_sect / $cylindersize) cylinders), and sometimes"
echo "as small as $ROOTMIN Mb ($root_cyls_min cylinders)."
if [ ! "$cyls_per_root" ]; then
	# set default root partition to 15MB
	cyls_per_root=`expr \( 15 \* $mb_sect \) /  $cylindersize`
	[ $cyls_per_root -gt $root_cyls_max ] && cyls_per_root=$root_cyls_max
fi
while :; do
	echo -n "Root partition size (in cylinders)? [${cyls_per_root}] "
	read resp junk
	cyls_per_root=${resp:-${cyls_per_root}}
	root=`expr $cyls_per_root \* $cylindersize`
	if [ ${cyls_per_root} -gt ${root_cyls_max} ]; then
		echo
		echo "The root partition size cannot exceed $root_cyls_max cylinders."
	elif [ ${cyls_per_root} -lt ${root_cyls_min} ]; then
		echo
		echo "The root partition size must be at least $root_cyls_min cylinders."
	else
		part_used=`expr $root + $badspacesec`
		break
	fi
done
root_offset=$part_offset
whats_left=`expr $partition - $part_used`
cyl_left=`expr $whats_left / $cylindersize`
mb_left=`expr $whats_left / $mb_sect`
echo
# DO NOT USE DIFFERENT BLOCKING FACTORS FOR EACH PARITION.. IT TRASHES THE
# VM SYSTEM!  When that gets fixed this can go back the way it was...
#
echo "We can build the filesystems with block/fragment sizes of either"
echo "	1) 4k/512, to save disk space at the expense of speed, or"
echo "	2) 8k/1k for speed at the expense of disk space."
echo -n "Which blocking factor should we use for the filesystems? "
echo -n "[${blocking_factor:-${DEFBLOCKING}}] "
read resp junk
blocking_factor=${resp:-${blocking_factor:-${DEFBLOCKING}}}
fragsize=`expr $bytes_per_sect \* $blocking_factor`
blocksize=`expr $bytes_per_sect \* $blocking_factor \* 8`
echo
echo    "$mb_left Mb ($cyl_left cylinders) remaining in ${OPSYSTEM} portion of disk."
echo
echo	"Minimum swap space is ${swap_cyls_min} cylinders."
echo	"For running X, if your RAM size is NR Mb, then the recomended swap"
echo	"size NS (in cylinders) is:"
echo	" 	NS = integer { ( NR x `expr 21 \* $mb_sect / 10` ) / ${cylindersize} }"
if [ ! "$swap_cyl" ]; then
	# guess memory size
	mb_ram=16
	swap_cyl=`expr \( 21 \* $mb_ram \* $mb_sect \) / 10`
	swap_cyl=`expr $swap_cyl / ${cylindersize}`

	# but not swap size more than 10% of disk size...
	swap_quot=`expr $mb_left / $mb_ram`
	if [ $swap_quot -lt 10 ]; then
		swap_cyl=$swap_cyls_min
	fi
fi
while :; do
	echo -n "Swap partition size (in cylinders)? [${swap_cyl}] "
	read resp junk
	swap_cyl=${resp:-${swap_cyl}}
	swap=`expr $swap_cyl \* $cylindersize`
	if [ ${swap_cyl} -gt ${cyl_left} ]; then
		echo
		echo "Swap size cannot exceed $cyl_left cylinders."
	elif [ ${swap_cyl} -lt ${swap_cyls_min} ]; then
		echo
		echo "Swap size must be at least ${swap_cyls_min} cylinders."
	else
		break
	fi
done
echo
swap_offset=`expr $root_offset + $root`
part_used=`expr $part_used + $swap`
echo    "" >/etc/disktab
echo    "$name|${OPSYSTEM} installation generated:\\" >>/etc/disktab
echo    "	:dt=${type}:ty=winchester:\\" >>/etc/disktab
echo -n "	:nc#${cyls_per_disk}:ns#${sects_per_track}" >>/etc/disktab
echo    ":nt#${tracks_per_cyl}:\\" >>/etc/disktab
echo    "	:se#${bytes_per_sect}:${sect_fwd}\\" >>/etc/disktab
echo -n "	:pa#${root}:oa#${root_offset}" >>/etc/disktab
echo    ":ta=4.2BSD:ba#${blocksize}:fa#${fragsize}:\\" >>/etc/disktab
echo    "	:pb#${swap}:ob#${swap_offset}:tb=swap:\\" >>/etc/disktab
echo    "	:pc#${partition}:oc#${part_offset}:\\" >>/etc/disktab
ename="";fname="";gname="";hname=""
if [ $part_used -lt $partition ]; then
	echo
	echo	"Now we enter information about any other partitions and filesystems"
	echo	"to be created in the ${OPSYSTEM} portion of the disk.  This process"
	echo	"is complete when we've filled up all remaining space in the ${OPSYSTEM}"
	echo	"portion of the disk."
fi
while [ $part_used -lt $partition ]; do
	part_size=0
	whats_left=`expr $partition - $part_used`
	cyl_left=`expr $whats_left / $cylindersize`
	mb_left=`expr $whats_left / $mb_sect`
	echo
	echo    "$mb_left Mb ($cyl_left cylinders) remaining in ${OPSYSTEM} portion of disk."
	echo
	while :; do
		echo -n "Next partition size (in cylinders)? [${cyl_left}] "
		read resp junk
		part_size=${resp:-${cyl_left}}
		part_size=`expr $part_size \* $cylindersize`
		total=`expr $part_used + $part_size`
		if [ $total -gt $partition ]; then
			echo
			echo "Partition size cannot exceed ${cyl_left} cylinders." 
		else
			part_used=$total
			part_name=""
			while [ "$part_name" = "" ]; do
				echo
				echo -n "On which directory should this filesystem be mounted? [usr] "
				read resp junk
				part_name=${resp:-usr}
				part_name=`expr "$part_name" : '/*\(.*\)'`
			done
			break
		fi
	done
	echo
	if [ ! "$ename" ]; then	
		ename=$part_name
		offset=`expr $part_offset + $root + $swap`
		echo -n "	:pe#${part_size}:oe#${offset}" >>/etc/disktab
		echo ":te=4.2BSD:be#${blocksize}:fe#${fragsize}:\\" >>/etc/disktab
		offset=`expr $offset + $part_size`
	elif [ ! "$fname" ]; then
		fname=$part_name
		echo -n "	:pf#${part_size}:of#${offset}" >>/etc/disktab
		echo ":tf=4.2BSD:bf#${blocksize}:ff#${fragsize}:\\" >>/etc/disktab
		offset=`expr $offset + $part_size`
	elif [ ! "$gname" ]; then
		gname=$part_name
		echo -n "	:pg#${part_size}:og#${offset}" >>/etc/disktab
		echo ":tg=4.2BSD:bg#${blocksize}:fg#${fragsize}:\\" >>/etc/disktab
		offset=`expr $offset + $part_size`
	elif [ ! "$hname" ]; then
		hname=$part_name
		echo -n "	:ph#${part_size}:oh#${offset}" >>/etc/disktab
		echo ":th=4.2BSD:bh#${blocksize}:fh#${fragsize}:\\" >>/etc/disktab
		part_used=partition
	fi
done

echo    "	:pd#${disksize}:od#0:" >>/etc/disktab
sync

# cat /etc/disktab
OIFS=$IFS
IFS='
'
while read data; do
	echo $data
done < /etc/disktab
IFS=$OIFS

echo
echo -n "Verbose installation? [n] "
read resp

case $resp in
y*)
	cpioverbose=v
	;;
*)
	cpioverbose=
	;;
esac


echo
echo    "OK!  THIS IS THE LAST CHANCE!!!  Data on the hard disk wil be lost."
echo -n "Are you sure you want to install on the hard drive? (yes/no) "
resp=""
while [ ! "$resp" ]; do
	read resp junk
	case "$resp" in
	Yes|yes|YES)
		verified_install=1
		echo
		echo    "OK!  Here we go..."
		;;
	No|no|NO)
		echo
		echo -n "Would you like to change the configuration? [y] "
		read resp junk
		resp=${resp:-y}
		case "$resp" in
		y*|Y*)
			;;
		*)
			echo
			echo    "OK, then.  Enter 'halt' to halt the machine."
			echo    "Once the machine has halted, remove the floppy,"
			echo    "and press any key to reboot."
			exit
			;;
		esac
		;;
	*)
		echo "Please spell out either of \`yes' or \`no'..." 
		echo -n "Install on the hard disk? (yes/no) " 
		resp=
		;;
	esac
done
done	# End of Big Loop

put_fdisk_data

echo
echo -n "Labelling disk..."
echo y | 
/sbin/disklabel -w -r ${drivename} $name /usr/mdec/${drivetype}boot /usr/mdec/boot${drivetype} >/dev/null 2>&1
echo    " done."

if [ "$sect_fwd" = "sf:" ]; then
	echo -n "Initializing bad144 badblock table..."
	bad144 $drivename 0
	echo " done."
	echo "Updating badblock table..."
	# `2>&1 >/dev/null' filters stdout and leaves only stderr...
	bad144 -s $drivename 2>&1 >/dev/null |
	while read data; do
		bad_seek=`expr $data : '[^(]*(seek)[^0-9]*\([0-9]*\)'`
		bad_read=`expr $data : '[^(]*(read)[^0-9]*\([0-9]*\)'`
		[ "$bad_seek" -o "$bad_read" ] && echo -n "$bad_seek $bad_read "
	done >bad144.out
	if [ -s bad144.out ]; then
		read badlist <bad144.out
		bad144 -a -c $drivename "$badlist"
		>bad144.out
	fi
	echo " done."
fi

echo    "Initializing root filesystem, and mounting..."
newfs ${rotdelay} /dev/r${drivename}a $name
mount -v /dev/${drivename}a /mnt
if [ "$ename" != "" ]; then
	echo
	echo    "Initializing $ename filesystem, and mounting..."
	newfs ${rotdelay} /dev/r${drivename}e $name
	mkdir -p /mnt/$ename
	mount -v /dev/${drivename}e /mnt/$ename
fi
if [ "$fname" != "" ]; then
	echo
	echo    "Initializing $fname filesystem, and mounting..."
	newfs ${rotdelay} /dev/r${drivename}f $name
	mkdir -p /mnt/$fname
	mount -v /dev/${drivename}f /mnt/$fname
fi
if [ "$gname" != "" ]; then
	echo
	echo    "Initializing $gname filesystem, and mounting..."
	newfs ${rotdelay} /dev/r${drivename}g $name
	mkdir -p /mnt/$gname
	mount -v /dev/${drivename}g /mnt/$gname
fi
if [ "$hname" != "" ]; then
	echo
	echo    "Initializing $hname filesystem, and mounting..."
	newfs ${rotdelay} /dev/r${drivename}h $name
	mkdir -p /mnt/$hname
	mount -v /dev/${drivename}h /mnt/$hname
fi

echo
echo "Please wait.  Copying to disk..."
cd /
# cat filelist | cpio -pdamu${cpioverbose} /mnt
OIFS=$IFS
IFS='
'
while read data; do 
	echo $data
done <filelist | cpio -pdamu${cpioverbose} /mnt
IFS=$OIFS
sync

cd /mnt
echo "/dev/${drivename}a	/	ufs	rw 1 1" >etc/fstab
if [ "$ename" != "" ]; then
	echo "/dev/${drivename}e	/$ename	ufs	rw 1 2" >>etc/fstab
fi
if [ "$fname" != "" ]; then
	echo "/dev/${drivename}f	/$fname	ufs	rw 1 3" >>etc/fstab
fi
if [ "$gname" != "" ]; then
	echo "/dev/${drivename}g	/$gname	ufs	rw 1 4" >>etc/fstab
fi
if [ "$hname" != "" ]; then
	echo "/dev/${drivename}h	/$hname	ufs	rw 1 5" >>etc/fstab
fi

# cat /etc/disktab >etc/disktab.install
OIFS=$IFS
IFS='
'
while read data; do
	echo $data
done </etc/disktab >etc/disktab.install
IFS=$OIFS

# cat << EOF >.profile
(
echo "PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/bin:/usr/contrib/bin:/usr/distbin:.:"
echo "export PATH"
echo "HOME=/root"
echo "export HOME"
echo "TERM=pc3"
echo "export TERM"
echo "mount -at ufs"
echo "echo" 
echo "echo    \"Insert second installation floppy in drive and\""
echo "echo -n \"enter that drive's number (e.g. 0 or 1): [0] \""
echo "read resp junk"
echo "driveno=\${resp:-0}"
echo "mount -o ro /dev/fd\${driveno}a /mnt"
echo "cd /mnt"
echo "install"
echo "cd /"
echo "umount /mnt >/dev/null 2>&1"
echo "echo"
echo "echo    \"Now insert third installation floppy in drive and\""
echo "echo -n \"enter that drive's number (e.g. 0 or 1): [0] \""
echo "read resp junk"
echo "driveno=\${resp:-0}"
echo "mount -t pcfs -o ro /dev/fd\${driveno}a /mnt"
echo "mkdir -p /usr/distbin"
echo "cp /mnt/* /usr/distbin/"
echo "sync"
echo "umount /mnt >/dev/null 2>&1"
echo "echo"
echo "echo    \"OK.  All of the base files are installed.\""
echo "echo"
echo "echo    \"The next step: reboot from the hard disk, and follow\""
echo "echo    \"more instrutctions.\""
echo "echo"
echo "echo    \"To do this, enter 'halt' at the prompt to halt the machine.\""
echo "echo	\"Once the machine has halted, remove the floppy from the disk\""
echo "echo	\"drive, and hit any key to reboot from the hard disk.\""
) >.profile

sync

echo
echo    "The next step:  reboot from the kernel-copy disk, copy a kernel"
echo    "to the hard disk, and finally reboot from the hard disk."
echo
echo    "To do this, enter 'halt' now to halt the machine.  After it"
echo	"announces that it has halted, remove the floppy from the drive"
echo	"and insert the kernel-copy disk that was booted before."
echo	"Press any key to reboot.  When prompted to insert the filesystem"
echo	"floppy this time, just hit RETURN without changing floppies."
echo
echo	"If all goes well, you can enter the command \`copy' at the prompt to"
echo	"copy the kernel to the hard disk.  When asked for which partition to"
echo	"copy to, enter  to \`${drivename}a' (without the quotes)."
echo
echo	"Okay, that's all for now.  I'm waiting for you to enter \`halt'..."