install.3

<B>Digital的Unix操作系统VAX 4.2源码</B>

#!/bin/sh
# 
# @(#)install.3	4.7	(ULTRIX)	2/14/91
#
# install.3: for installation only
#		see .profile
#-------------------------------------------------------------------
#
# 006 - Jan 1991 - Jon Wallace
#	Added code and new environment variable for grey-scale monitor
#	question.
#
# 005 - Jan 1991 - Jon Wallace
#	Added code to test whether customized kernel move is successful
#	or not, and to echo warning messages if it is not.
#
# 004 - Aug 31, 1990 - Jon Wallace
#	Put in fix to remove embedded spaces when doing a read
#
# 003 - July 5, 1990 - ccb
#	MUP support, keyed on MUPSUPPORT flag
#
# 002 - Aug 16, 1988 - Jon Wallace
#	Modified script for CDROM support 
#
# 001 - Jan 26, 1988 - Tung-Ning Cherng
#	Allowed using the existing partition of system disk for V2.4
#
# 000 - July,16 1987 - Tungning Cherng created
#	It was a part of install.2 before.
# 	

PATH=.:/install.tmp:/bin:/etc:/usr/bin:/usr/ucb:/usr/etc
HOME=/
export PATH HOME
MUPSUPPORT=1		# give this a value to turn on in-line MUP support
LL="
"
MSG1="
The installation software successfully installed the mandatory software
subsets. However, it failed to install other parts of the supported
software subsets. You can continue with the installation and install
the other supported software subsets at a later time using the setld
utility or, you can request that the installation software again try
to install these supported software subsets.

Select one of the following options:

	1) Continue with the installation
	2) Try to re-install supported software subsets

Enter your choice [1]: "
 
MSG2="
The installation software failed to install the unsupported software
subsets but will continue to proceed with the next task. You can install
the unsupported software subsets at a later time, using the setld utility."

ERMSG1="
This error causes the installation procedure to stop.  One possible
cause for the error is a corrupt system disk. You may want to replace
or use another system disk, and begin the installation again. If this
error message appears a second time, contact a DIGITAL representative."

trap '
while :
do	
	echo -n "
Do you want to stop the installation? (y/n) []:"
	read ans 
	ans=`echo $ans`
	case $ans in
	[yY]*)
		echo "
Begin your installation again by following the instructions in your
installation guide."
		exit 1
		;;
	[nN]* )
		break 
		;;
	* )
		continue
		;;
	esac
done ' 1 2 3


#
# read the root device from the file .minidevice
# To know media_D media_d media_u 
#	and  root_D root_d root_u .
#
if test -s "/.minidevice" 
then
	set `cat .minidevice`
	root_D=$1; root_d=$2; root_u=$3; root_p=a
	media_D=$4; media_d=$5; media_u=$6 media_p=$7
	(cd /dev; MAKEDEV $root_d$root_u >/dev/null )
else
	echo "
The installation procedure failed to recognize the distribution
device and the system disk you are using. $ERMSG1"
	exit 1
fi

set xxx `dd if=/.advflag 2>/dev/null`
ADVFLAG=$2
DEF_PT=$3
MACHTYPE=$4
export ADVFLAG DEF_PT MACHTYPE
CPUTYPE=`sizer -c`
case $MACHTYPE in
vax )
	KERNELPATH="/sys/VAX"
        CONFIGPATH="/sys/conf/vax"
	DISK_MEDIA_DIR="VAX/BASE"
        ;;

mips)
	KERNELPATH="/sys/MIPS"
        CONFIGPATH="/sys/conf/mips"
	DISK_MEDIA_DIR="RISC/BASE"
        ;;
esac

case $remoteflag in
y )
	
    	realsysname=`/bin/hostname`
    	sysname=`echo ${realsysname} | dd conv=ucase 2>/dev/null`
	media_D=REMOTE
	;;
* )
	set xxx `cat /tmp/realsysname` # from the doconfig -n
	realsysname=$2; sysname=$3
	cd /install.tmp
	;;
esac

while : true
do
	case $DEF_PT in
	1 )
		case $root_D in
        	RA82 | RA90 )
                	usr_p=d
                	;;
   		*)
                	usr_p=g
                	;;
        	esac 
		;;
	esac
	ans=y
	case $ADVFLAG in
	1)	
	    case $DEF_PT in
	    0 )
		ans=n
		;;
	    1 )
		# assign the default area and do the alignment of table.
		chpt -q /dev/r$root_d${root_u}c > /tmp/ptable
		awk '{if ($1 == "partition") printf \
"%-10s%10s %10s %10s    %-12s  default\n",$1,$2,$3,$4,$5}' /tmp/ptable > /tmp/ptmp
		awk '{if ($1 == "a") printf \
"%5s     %10s %10s %10s    %-12s  root\n",$1,$2,$3,$4,$5}' /tmp/ptable >> /tmp/ptmp
		awk '{if ($1 == "b") printf \
"%5s     %10s %10s %10s    %-12s  swap, dump\n",$1,$2,$3,$4,$5}' /tmp/ptable >> /tmp/ptmp
		case $usr_p in
                d )
			awk '{if ($1 == "d") printf \
"%5s     %10s %10s %10s    %-12s  /usr\n",$1,$2,$3,$4,$5}' /tmp/ptable >> /tmp/ptmp
			;;
		g )
			awk '{if ($1 == "g") printf \
"%5s     %10s %10s %10s    %-12s  /usr \n",$1,$2,$3,$4,$5}' /tmp/ptable >> /tmp/ptmp
			;;
		esac

		echo "

*** FILE SYSTEM DEFAULT OPTION ***

The following table shows the default file system layout on $root_D, $root_d${root_u}:
"
		dd if=/tmp/ptmp 2>/dev/null
		echo -n "
If you choose the defaults, the var area will be allocated to /usr/var.  

Do you want to choose the default file system layout? (y/n): "
		read ans
		ans=`echo $ans`
		;;
	    esac
	    ;;
	esac

	case $ans in
	y )
		usr_d=$root_d; usr_u=$root_u	
		umount /dev/$usr_d$usr_u$usr_p  > /dev/null 2>&1
		echo "
Making the new file system for /usr on /dev/r$usr_d$usr_u$usr_p $root_D"
		echo "
Making the new file system for /usr on /dev/r$usr_d$usr_u$usr_p $root_D" 2>&1 >> /FILESYS.log
		newfs /dev/r$usr_d$usr_u$usr_p $root_D 2>&1 >> /FILESYS.log 
		case $? in
		0 )	;;
		* )
			echo "
The newfs command failed to construct the /usr file system on
partition $usr_p of the system disk, $usr_d$usr_u. 
${LL}$ERMSG1"
			exit 1
			;;
		esac
		mount /dev/$usr_d$usr_u$usr_p /usr
		case $? in
		0 )	;;
		* )
			echo "
The mount command failed to mount the /usr file system on partition
$usr_p of the system disk, $usr_d$usr_u.  $ERMSG1"
			exit 1
			;;
		esac
		mkdir /usr/var
		chmod 755 /usr/var
		ln -s /usr/var /var
		swap1_d=$root_d
		swap1_u=$root_u
		swap1_p=b
		dump_d=$root_d
		dump_u=$root_u
		dump_p=b
		;;

    	n )
		. ask_filesys
		;;
    	* )
		continue
		;;
    	esac
	break
done

#
# Start to retore the /usr file system
#
echo "/dev/${root_d}${root_u}a:/:rw:1:1:ufs::" > /etc/fstab
echo "/dev/${usr_d}${usr_u}${usr_p}:/usr:rw:1:2:ufs::" >> /etc/fstab
case "${var_d}${var_u}${var_p}" in
"${usr_d}${usr_u}${usr_p}" | "" )
	;;
*)
	echo "/dev/${var_d}${var_u}${var_p}:/var:rw:1:4:ufs::" >> /etc/fstab
	;;
esac

case "${swap2_p}" in
"" )	;;
* )
	echo "/dev/${swap2_d}${swap2_u}${swap2_p}::sw:0:0:ufs::" >> /etc/fstab
	;;
esac
chmod 644 /etc/fstab

WS=`sizer -wt`
case $WS in
0 )
	echo "
This distribution media includes subsets for ULTRIX Worksystem
Software (UWS).  A UWS license (on a workstation) or a UWS Server
License (on a timesharing machine or server) is required to install
these subsets.
"
	while :
	do
		echo -n "Do you want to install ULTRIX Worksystem Software? y/n []: "
		read WS_BITS
		WS_BITS=`echo $WS_BITS`
		case $WS_BITS in
		Y | y )
			WS_BITS="Y"
			break
			;;
		N | n )
			break
			;;
		* )
			echo "You must answer 'y' or 'n'."
			;;
		esac
	done
	;;
* )
	WS_BITS="Y"
	while :
	do
		echo -n "

Select one of the options below that describes the type of display
being used:

	1) Black and White
	2) Color
	3) Gray Scale

Enter your choice: "
		read ans
		ans=`echo $ans`
		case $ans in
		1 | 2 )
			ISL_ISGRAY=0
			break
			;;
		3 )
			ISL_ISGRAY=1
			break
			;;
		* )
			;;
		esac
	done
	;;
esac
export WS_BITS ISL_ISGRAY

case $ADVFLAG in
0 )
	echo "${LL}Installing mandatory software subsets."
	if test "$WS_BITS" = "Y" 
	then
		ADVFLAG=2
		export ADVFLAG
	fi
	;;
1)
	echo "${LL}*** SUPPORTED SOFTWARE INSTALLATION ***"
	if test "$WS_BITS" = "Y" 
	then
		ADVFLAG=3
		export ADVFLAG
	fi
	;;
esac

cd /
N=1
while test $N -le 3
do
	case $N in
	1 )	;;
	2 )
		echo "
*** Attempting again to install the supported software subsets. *** "
		;;
	3 )
		echo " 
The installation software failed to install the supported software
subsets.  This causes the installation procedure to stop. Contact your
DIGITAL representative."
		exit 1 	;;
	esac
	N=`expr $N + 1`

	case $media_D in
    	REMOTE )
		for i in `cat /etc/hosts` 
		do
			SERVER=$i
		done	
		setld -l $SERVER:	
		case $? in
		0 )	
			echo "
The installation procedure has successfully installed the software 
subsets."
			break
			;;
		1 )
			echo "
The installation procedure was unable to install the supported software
subsets." 
			continue
			;;
		* )
			echo -n "$MSG1"
			read ans
			ans=`echo $ans`
			case $ans in
			2 )
				N=2
				continue ;;
			"" | * )
				break 
				;;
			esac
			;;
		esac
		;;

    	RA60 | CDROM )
		(cd /dev; MAKEDEV ${media_d}${media_u} >/dev/null )
		DRIVE=/dev/$media_d$media_u$media_p

		if test "$media_D" = "RA60"
		then
			echo "
The installation procedure checks your distribution media,
${media_d}${media_u}, to ensure that it is not corrupt."
			fsck /dev/r${media_d}${media_u}${media_p}
			case $? in
			0 )	;;
			* )
				echo "
The fsck command failed to perform a file consistency check on partition
${media_p} of the distribution media, ${media_d}${media_u}. Thus, the installation software
was unable to load the supported software subsets."
				exit 1
				;;
			esac
		fi
		mount  -r /dev/${media_d}${media_u}${media_p} /mnt
		case $? in
		0 ) 	;;
		* )
			echo "
The mount command failed to mount partition ${media_p} of the distribution
media, ${media_d}${media_u}. Thus, the installation software was unable
to load the supported software subsets. "
			exit 1
			;;
		esac
		setld -l /mnt/$DISK_MEDIA_DIR
		case $? in
		0 )	
			echo "
The installation software has successfully installed the software 
subsets."
			if [ "$MUPSUPPORT" ]
			then
				install.mup DISK /mnt/${DISK_MEDIA_DIR}_UPGRADE $DRIVE && break
				exit 1
			else
				umount /dev/${media_d}${media_u}${media_p}
				break
			fi
			;;
		1 )
			umount /dev/${media_d}${media_u}${media_p}
			echo "
The installation software was unable to install the supported software
subsets." 
			continue
			;;
		* )
			echo -n "$MSG1"
			read ans
			ans=`echo $ans`
			case $ans in
			2 )
				N=2
				umount /dev/${media_d}${media_u}${media_p}
				continue
				;;
			"" | * )
				if [ "$MUPSUPPORT" ]
				then
					install.mup DISK /mnt/${DISK_MEDIA_DIR}_UPGRADE $DRIVE && break
					exit 1
				else
					umount $DRIVE
					break 
				fi
				;;
			esac
			;;
		esac
		;;

    	* )	# tape.
		(cd /dev; rm -f *rmt*; MAKEDEV ${media_d}${media_u} >/dev/null )
		setld -l /dev/nrmt0h
		case $? in
		0 )	
		echo "
The installation software has successfully installed the software
subsets. You can now remove the tape containing the software subsets
from the device."
			[ "$MUPSUPPORT" ] &&
			{
				install.mup TAPE /dev/nrmt0h || exit 1