install.1

<B>Digital的Unix操作系统VAX 4.2源码</B>

#!/bin/sh
# install.1: installation for standalone environment.
#
# @(#)install.1	4.5	(ULTRIX)	1/21/91
#
# Modification History
# ~~~~~~~~~~~~~~~~~~~~
#
# 013 - Jan 1991 - Jon Wallace
#	Changed text that references the ULTRIX installation guide to
#	reflect the proper title of that document.
#
#	Added RZ23L to case statement that restricts installation on
#	disks that can't hold the entire operating system by themselves.
#
# 012 - Aug 31, 1990 - Jon Wallace
#	Put in fix to remove embedded spaces when performing a read
#
# 011 - Mar 14, 1990 - Jon Wallace
#	Re-wrote installation message when installing to RZ23
#	and RD53 disks.
#
# 010 - Sep 13, 1989 - Tim Burke
#	Added dynamic disc support.  If the disk is not in the list of
#	supported units then call the geometry program to determine the
#	number of sectors and tracks.
#
# 009 - May 31, 1989 - Jon Wallace
#	Added variable ROUTINE to allow finder to page through
#	disk selections of more than 16 disks.
#
# 008	Dec 01, 1988 - Jon Wallace
#	Fixed RZ23 system disk ADVFLAG bug
#
# 007 - Nov 20, 1988 - Jon Wallace
#	Coded RZ23 system disk to be ADVANCED installation only.
#
# 006 - Aug 16, 1988 - Jon Wallace
#	Added PVAX CDROM support
#
# 005 - Jun 28, 1988 - Jon Wallace
#	Added RZ55 disk and restructured BTD case
#
# 004 - Jun 07, 1988 - Jon Wallace
#	Added PVAX support (TZ30)
#
# 003 - Jan 26, 1988 - Tung-Ning Cherng
# 	Allowed using the existing partition of system disk.
#
# 002 - April, 1987 - Tungning Cherng
#	Added the log file for V2.2.
#	
# 001 - June, 1986 - Lea Gottfredsen & Tungning Cherng
#		Added in network remote support.
#
# 000 - April 11, 1986, by Tungning Cherng
# 	Prompt edits - Sept. 19, 1986, by Al Wojtas
################################################################
################################################################

PATH=.:/etc:/bin
HOME=/
MACHTYPE=`/bin/machine`
export PATH HOME MACHTYPE
LL="
"
MSG2="${LL}*** SOFTWARE DISTRIBUTION DEVICE SELECTION ***${LL} 
The 'Guide to Installing ULTRIX' explains the following table 
of software distribution devices and which installation media you should 
load on it: "
MSG3="${LL}*** SYSTEM DISK SELECTION ***${LL}
The 'Guide to Installing ULTRIX' explains the following table 
of system disk drives.  Select one of the devices below to contain the
root file system: "
MSG4="${LL}The installation procedure is now restoring the root file system to
partition 'a' of the system disk,"
MSG5="
The installation procedure now checks the root file system on partition 'a'
of the system disk,"
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."
ERMSG2="
The installation software could not access your distribution device.
Make sure the distribution device is on line and ready before you 
select the device from the table."
ERMSG3="
The installation software could not access your system disk. Make sure
the system disk drive is on line and write-enabled (if applicable to
your disk drive) before you select the device from the table."
ERMSG4="
Contact a DIGITAL field service representative."
ERMSG5="
The existing disk partitions do not meet the requirements for installation."

MINIROOTSIZE=32768
MINISWAPSIZE=12288

case $MACHTYPE in
vax )
	DISK_MEDIA_DIR="VAX/BASE"
	;;

mips)
	DISK_MEDIA_DIR="RISC/BASE"
	;;
esac

while : true
do
	echo -n "
*** STANDALONE ULTRIX ENVIRONMENT *** 

If you select the BASIC Installation option from the list that follows,
the installation software creates file systems on default partitions on
your system disk and loads the mandatory ULTRIX software subsets.

If you require additional installation choices, select the ADVANCED
Installation option.

Select one of the following options: ${LL}
	1) BASIC Installation
	2) ADVANCED Installation
	3) System management ${LL}
Enter your choice: "
	read resp
	resp=`echo $resp`
	case $resp in
	1 ) 
		ADVFLAG=0 
		DEF_PT=1
		break
		;;
	2 )	
		ADVFLAG=1 
		DEF_PT=0
		break
		;;
	3 )
		exit 1
		;;
	esac
done

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

	
BTD=`btd`
BTDTYPE=`expr "$BTD" : '\([a-zA-Z][a-zA-Z]*\)'`
BTDUNIT=`expr "$BTD" : '[a-zA-Z][a-zA-Z]*\([0-9][0-9]*\)'`
case $BTD in
NETWORK )
	eval `gethost` 
	media_D=REMOTE
	;;
tms* )
	(cd /dev; MAKEDEV $BTD > /dev/null)
	media_D=TK50; media_d=$BTDTYPE; media_u=$BTDUNIT
	;;
rmt* )
	(cd /dev; MAKEDEV $BTD > /dev/null)
	media_D=TK50; media_d=$BTDTYPE; media_u=$BTDUNIT
	;;
tz* )
	(cd /dev; MAKEDEV $BTD > /dev/null)
	media_D=TZ30; media_d=$BTDTYPE; media_u=$BTDUNIT
	;;
rz* )
	(cd /dev; MAKEDEV $BTD > /dev/null)
	media_D=CDROM; media_d=$BTDTYPE; media_u=$BTDUNIT; media_p=c
	;;
st* )
	(cd /dev; MAKEDEV $BTD > /dev/null)
	media_D=TK50; media_d=$BTDTYPE; media_u=$BTDUNIT
	;;
* )
	while : true
	do
		ROUTINE="SOFTWARE DISTRIBUTION DEVICE"
		export ROUTINE
		echo "$MSG2"
		if [ "$PASS" = "REPEAT" ]
		then
			MEDIA=`finder -f`
		else
			MEDIA=`finder -i`
		fi
		case $? in
		0 )	;;
		* )
			echo "${LL}No valid device is found. $ERMSG4"
			exit 1 ;;
		esac
		set xx $MEDIA
		media_D=$2; media_d=$3; media_u=$4	
		LABEL="SUPPORTED SOFTWARE"
		case $media_D in
		TK* )
			echo "
REMOVE THE TAPE LABELED 'STANDALONE ULTRIX TK50 #1'."
			;;
		RX* )
			LABEL="ROOT 1"
			;;
		RA60 )
			LABEL="SUPPORTED & UNSUPPORTED SOFTWARE"
			;;
		esac
		while :
		do
			echo -n "
You selected ${media_D}, device number ${media_u}.  After you load the media
labeled $LABEL, make sure the device is on line
and write protected, and then confirm your choice.

Use $media_D, ${media_d}${media_u} as Software Distribution Device? (y/n) []: "
			read ans
			ans=`echo $ans`
			case $ans in
			Y | y )
				PASS=
				break
				;;
			N | n )
				PASS=REPEAT
				continue 2
				;;
			* )
				echo "
You must answer 'y' or 'n' to the following."
				continue
				;;
			esac
		done
		media_p=
		case $media_D in	
		RX50 | RA60 )	
			media_p=c ;;
		esac
		cd /dev
		MAKEDEV $media_d$media_u$media_p > /dev/null
		case $? in
		0 )	;;
		* )
			echo "
The MAKEDEV command could not make the special files on device $media_d$media_u. $ERMSG1 "
			exit 1 ;;
		esac
		cd /
		case $media_D in	
		RA60 | RX50 )
			dd if=/dev/r$media_d$media_u$media_p count=1 >/dev/null 2>&1
			case $? in
			0 )	;;
			* )	
				echo "$ERMSG2"
				continue ;;
			esac
			;;
		*)	
			mt -f /dev/rmt0h rew	
			case $? in
			0 )	;;
			* )	
			echo "$ERMSG2"
				rm -f /dev/*mt*
				continue ;;
			esac
			;;
		esac
		break
	done
	;;
esac	

case $MACHTYPE$BTD in
mipstz* )
	while :
	do
		mt rew 2>1 >/dev/null
		case $? in
		1 )
			continue
			;;
		* )
			break
			;;
		esac
	done
	;;
esac

while : true
do
	ROUTINE="SYSTEM DISK"
	export ROUTINE
	echo "$MSG3"
	ROOTF=`finder -r`
	case $? in
	0 )	;;
	* )
		echo "${LL}No valid device is found. $ERMSG4"
		exit 1	;;
	esac
	set xx $ROOTF
	root_D=$2; root_d=$3; root_u=$4
	case $root_d$root_u in
	$media_d$media_u )
		echo "
You attempted to allocate the root file system on $root_d$root_u, which 
contains your distribution medium. Select another disk device from the
table."
		continue ;;
	esac
	while :
	do
		echo -n "
You selected ${root_D}, device number ${root_u}. Make sure this disk drive 
is on line and write-enabled (if applicable to your disk drive), then
confirm your choice.

Use ${root_D}, $root_d$root_u, for your system disk? (y/n) []: "
		read ans 
		ans=`echo $ans`
		case $ans in
		Y | y )
			break
			;;
		N | n )
			continue 2
			;;
		* )
			echo "

You must answer 'y' or 'n' to the following."
			continue
			;;
		esac
	done
	case $root_D in
	RA60 )
		ns=42;nt=4;;
	RA70 )
		ns=33; nt=11 ;;
	RA80 | RM80 | R80 )
		ns=31;nt=14;;
	RA81 )
		ns=51;nt=14;;
	RA82 )
		ns=57;nt=15;;
	RA90 )
		ns=70; nt=13;;
	RD32 )
		ns=17; nt=6;;
	RD33 )
		ns=17; nt=7;;
	RD53 )
		ns=18;nt=8;;
	RD54 )
		ns=17;nt=15;;
	RM03 )
		ns=32;nt=5;;
	RM05 )
		ns=32;nt=19;;
	RP05 | RP06 )