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coherent

: CohUpd320.post 9/6/91
: COHERENT Update Version 3.2.0.
: Installation postprocessing.

cd /

: Set FIRST to indicate if first attempt at update installation.
if [ -f /conf/CohUpd320.tmp ]
then
	if [ ! -f /coherent.old ]
	then
		echo '/coherent.old does not exist, reinstallation failed.'
		exit 1
	fi
	mv -f /coherent.old /coherent
	FIRST=false
else
	FIRST=true
fi

: Patch the new /coherent.
echo '
cThis update procedure replaces your existing COHERENT system
with an updated version.  It renames the previous version (file /coherent)
to /coherent.old and puts the updated version in file /coherent.
When you reboot after installation, you must type "coherent"
to boot the new system.
'

: Remove /autoboot if it exists.
if [ -f /autoboot ]
then
	rm /autoboot
	echo '
The update procedure deletes the file /autoboot which
causes your system to boot COHERENT automatically.
After you have rebooted successfully, type
	ln /coherent /autoboot
if you want your system to boot automatically.
'
fi

: Determine the desired keyboard configuration.
echo -n 'Hit <Enter> to continue...'
read x
echo '
cYour current COHERENT system contains built-in support for either
an American, German or French keyboard layout.  This COHERENT update
adds support for user-configurable keyboard layouts.  However,
user-configurable keyboard layouts may not work correctly with
some keyboards which are not fully IBM-AT compatible.  If you wish to
be able to change keyboard layouts at runtime, you must select option 4.

Keyboard layouts:
	1	American
	2	French
	3	German
	4	User-configurable
'
while true; do
	echo -n 'Enter 1-4: '
	read x
	case $x in
		1|A*)	KB=kb.a;;
		2|F*)	KB=kb_f.a;;
		3|G*)	KB=kb_d.a;;
		4|U*)	KB=nkb.a
			echo '
If the user-configurable keyboard layout does not work with your keyboard
when you reboot after update installation, you will need to boot your
old COHERENT system by typing "coherent.old" at the "AT boot?" prompt.
Then install the update again with a different keyboard layout.
'
			/etc/kbdinstall -u;;
		*)	continue;;
	esac
	break
done
KBUNDEF="-u iscon_"
KBPATCH="drvl_+20=iscon_"

: Determine the desired root hard disk device configuration.
echo -n 'Hit <Enter> to continue...'
read x
echo '
cThe root filesystem of your current COHERENT system
is on either a standard AT-compatible hard disk or on an
Adaptec AHA-154x series SCSI host adapter.

Root hard disk:
	1	AT-compatible (MFM/RLL/IDE)
	2	Adaptec AHA-154x (SCSI)
'
while true; do
	echo -n 'Enter 1 or 2: '
	read x
	case $x in
		1)	HD=at.a
			HDUNDEF="-u atcon_"
			HDPATCH="drvl_+110=atcon_";;
		2)	HD=aha154x.a
			HDUNDEF="-u sdcon_"
			HDPATCH="drvl_+130=sdcon_";;
		*)	continue;;
	esac
	break
done

: Build COHERENT kernel into /coherent.new.
if [ -f /coherent.old ]
then
	mv /coherent.old /coherent.older
	echo Renamed previous /coherent.old to /coherent.older...
	echo -n 'Hit <Enter> to continue...'
	read x
fi
cd /conf
(/bin/ld $KBUNDEF $HDUNDEF -o /coherent.new kernel320.o $KB $HD mm.a tty.a support.a \
	&& /conf/patch /coherent.new $KBPATCH $HDPATCH \
	&& /conf/patch /coherent.new drvl_+30=lpcon_ drvl_+40=flcon_ drvl_+80=rmcon_ \
	&& /etc/cohpatch) || echo 'Update installation failed.' && exit 1
chmod 400 /coherent
chown sys /coherent
chgrp sys /coherent

: Replace the shell.  Cannot copy over busy shared text program.
if $FIRST
then
	echo -n 'Hit <Enter> to continue...'
	read x
	echo '
cThe update installs new versions of many files onto your existing system.
For the important file /bin/sh, it saves the old version
in /bin/sh.old in case you need to use the old version.
'
	mv /bin/sh /bin/sh.old
	mv /bin/sh.320 /bin/sh
fi

: Load serial drivers via /etc/drvld.all.
if $FIRST
then
	echo "/etc/drvld -r /drv/al0" >>/etc/drvld.all
	echo "/etc/drvld -r /drv/al1" >>/etc/drvld.all
	echo -n 'Hit <Enter> to continue...'
	read x
	echo '
cPrevious versions included support for serial lines COM1 through COM4
as part of /coherent.  In order to provide additional flexibilty,
COHERENT V3.2 now supports the serial lines as loadable device drivers.
When you boot COHERENT, file /etc/drvld.all loads the serial line drivers.
'
fi

: Uncompress files shipped compressed for space reasons.
echo -n 'Hit <Enter> to continue...'
read x
cd /
echo Uncompressing COHERENT update files, please wait...
uncompress /conf/V320.tar.Z
echo Extracting COHERENT update files, please wait...
tar xfm /conf/V320.tar
rm /conf/V320.tar

: Rebuild command and library help index files.
/bin/help -r '-d@' -f/usr/lib/helpfile -i/usr/lib/helpindex
/bin/help -r '-d#' -f/etc/helpfile -i/etc/helpindex

: Optionally uncompress online manual update pages.
: This takes the same action as the user took with the original pages.
echo -n 'Hit <Enter> to continue...'
read x
if [ -d /usr/man/COHERENT ]
then
	echo -n 'c'
	echo Uncompressing updated COHERENT online manual pages, please wait...
	uncompress /usr/man/updman.tar.Z
	echo Extracting updated COHERENT online manual pages, please wait...
	cd /usr/man
	tar xfm /usr/man/updman.tar
	rm /usr/man/updman.tar
	cat /usr/man/updman.index >>/usr/man/man.index
	sort -uo /usr/man/man.index /usr/man/man.index
	cat /usr/man/updman.help >>/usr/man/man.help
	echo
elif [ -f /usr/man/man.tar.Z ]
then
	echo '
cBecause you left the COHERENT online manual pages in compressed form
in file /usr/man/man.tar.Z when you initially installed COHERENT,
this update leaves the updated manual pages in compressed form
in file /usr/man/updman.tar.Z.
'
else
	rm /usr/man/updman.tar.Z
	echo '
cBecause you removed the COHERENT online manual pages when you initially
installed COHERENT, this update does not install updated online manual pages.
'
fi

echo -n 'Hit <Enter> to continue...'
read x
echo '
cAfter installation is finished, you must shut down your system and
reboot to try the updated version of COHERENT.  When you reboot,
type "coherent" at the "AT boot?" prompt to boot the new system.
If the boot fails, reboot again and type "coherent.old"
at the "AT boot?" prompt to boot your existing COHERENT system;
then try installing the update again with different options.
'
echo -n 'Hit <Enter> to continue...'
read x

: Done.
touch /conf/CohUpd320.tmp
sync
exit 0

: end of CohUpd320.post

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