# This script creates the backout package for a patch package
#
# directory format options.
#
# @(#)postinstall	1.10 01/09/13 Sun Microsystems
#
# Copyright (c) 1995-2001 by Sun Microsystems, Inc.
# All rights reserved
#

# Description:
#       Set the TYPE parameter for the remote file
#
# Parameters:
#       none
#
# Globals set:
#	TYPE

set_TYPE_parameter () {
	if [ ${PATCH_UNDO_ARCHIVE:?????} = "/dev" ]; then
		# handle device specific stuff
		TYPE="removable"
	else
		TYPE="filesystem"
	fi
}

#
# Description:
#       Build the remote file that points to the backout data
#
# Parameters:
#       $1:	the un/compressed undo archive
#
# Globals set:
#	UNDO, STATE

build_remote_file () {
	remote_path=$PKGSAV/$SUNW_PATCHID/remote
	set_TYPE_parameter
	STATE="active"

	if [ $1 = "undo" ]; then
		UNDO="undo"
	else
		UNDO="undo.Z"
	fi

	cat > $remote_path << EOF
# Backout data stored remotely
TYPE=$TYPE
FIND_AT=$ARCHIVE_DIR/$UNDO
STATE=$STATE
EOF
}

PATH=/usr/sadm/bin:$PATH

if [ "$PKG_INSTALL_ROOT" = "/" ]; then
	PKG_INSTALL_ROOT=""
fi

if [ -n "$PATCH_BUILD_DIR" -a -d "$PATCH_BUILD_DIR" ]; then
	BUILD_DIR="$PATCH_BUILD_DIR/$SUNW_PATCHID.$PKGINST"
else
	BUILD_DIR="$PKG_INSTALL_ROOT/var/tmp/$SUNW_PATCHID.$PKGINST"
fi

if [ ! -n "$PATCH_UNDO_ARCHIVE" ]; then
	PATCH_UNDO_ARCHIVE="none"
fi

FILE_DIR=$BUILD_DIR/files
RELOC_DIR=$FILE_DIR/reloc
ROOT_DIR=$FILE_DIR/root
BO_Deletes=$FILE_DIR/deletes
THIS_DIR=`dirname $0`
PROTO_FILE=$BUILD_DIR/prototype
TEMP_REMOTE=$PKGSAV/$SUNW_PATCHID/temp

if [ "$PATCH_PROGRESSIVE" = "true" ]; then
        # remove the scripts that are left behind
        install_scripts=`dirname $0`
        rm $install_scripts/checkinstall $install_scripts/patch_checkinstall $install_scripts/patch_postinstall

	# If this is being used in an old-style patch, insert
	# the old-style script commands here.

	#XXXOld_CommandsXXX#

	exit 0
fi

#
# At this point we either have a deletes file or we don't. If we do,
# we create a prototype entry.
#
if [ -f $BO_Deletes ]; then
	echo "i deletes=$BO_Deletes" >> $BUILD_DIR/prototype
fi

#
# Now delete everything in the deletes list after transferring
# the file to the backout package and the entry to the prototype
# file. Remember that the pkgmap will get the CLIENT_BASEDIR path
# but we have to actually get at it using the BASEDIR path. Also
# remember that removef will import our PKG_INSTALL_ROOT
#
Our_Deletes=$THIS_DIR/deletes
if [ -f $Our_Deletes ]; then
	cd $BASEDIR

	cat $Our_Deletes | while read path; do
		Reg_File=0

		if valpath -l $path; then
			Client_Path="$CLIENT_BASEDIR/$path"
			Build_Path="$RELOC_DIR/$path"
			Proto_Path=$BASEDIR/$path
		else	# It's an absolute path
			Client_Path=$path
			Build_Path="$ROOT_DIR$path"
			Proto_Path=$PKG_INSTALL_ROOT$path
		fi

		# If BASEDIR/CLIENTBASEDIR = "/", then the previous prepends
		# an extra / i.e. //. The sed command later can't find a
		# Proto_Path with // and therefore will not substitute the
		# correct build_Path resulting in the backout pkg not being
		# created.

		if [ "$CLIENT_BASEDIR" = "/" ]; then
			Client_Path=`echo $Client_Path | sed 's|^\/\/|\/|'`
			Proto_Path=`echo $Proto_Path | sed 's|^\/\/|\/|'`
		fi
			
		# Note: If the file isn't really there, pkgproto
		# doesn't write anything.
		LINE=`pkgproto $Proto_Path=$path`
		ftype=`echo $LINE | nawk '{ print $1 }'`
		if [ "$ftype" = "f" ]; then
			Reg_File=1
		fi

		if [ $Reg_File = 1 ]; then
			# Add source file to the prototype entry
			if [ "$Proto_Path" = "$path" ]; then
				LINE=`echo $LINE | sed -e "s|$Proto_Path|$Build_Path|2"`
			else
				LINE=`echo $LINE | sed -e "s|$Proto_Path|$Build_Path|"`
			fi

			DirName=`dirname $Build_Path`
			# make room in the build tree
			mkdir -p $DirName
			cp -p $Proto_Path $Build_Path
		fi

		# Insert it into the prototype file
		echo $LINE 1>>$PROTO_FILE 2>/dev/null

		# Remove the file only if it's OK'd by removef
		rm `removef $PKGINST $Client_Path` 1>/dev/null 2>&1
	done
	removef -f $PKGINST

	rm $Our_Deletes
fi

#
# Unless specifically denied, make the backout package.
#
if [ "$PATCH_NO_UNDO" != "true" ]; then
	cd $BUILD_DIR	# We have to build from here.

	if [ "$PATCH_UNDO_ARCHIVE" != "none" ]; then
		STAGE_DIR="$PATCH_UNDO_ARCHIVE"
		ARCHIVE_DIR="$PATCH_UNDO_ARCHIVE/$SUNW_PATCHID/$PKGINST"
		mkdir -p $ARCHIVE_DIR
		mkdir -p $PKGSAV/$SUNW_PATCHID
	else
		if [ -d $PKGSAV/$SUNW_PATCHID ]; then
			rm -r $PKGSAV/$SUNW_PATCHID
		fi
		STAGE_DIR=$PKGSAV
		ARCHIVE_DIR=$PKGSAV/$SUNW_PATCHID
		mkdir $ARCHIVE_DIR
	fi

	pkgmk -o -d $STAGE_DIR 1>/dev/null 2>&1
	pkgtrans -s $STAGE_DIR $ARCHIVE_DIR/undo $PKG 1>/dev/null 2>&1
	compress $ARCHIVE_DIR/undo
	retcode=$?
	if [ "$PATCH_UNDO_ARCHIVE" != "none" ]; then
		if [ $retcode != 0 ]; then
			build_remote_file "undo"
		else
			build_remote_file "undo.Z"
		fi
	fi
	rm -r $STAGE_DIR/$PKG

	cd ..
	rm -r $BUILD_DIR
	# remove the scripts that are left behind
	install_scripts=`dirname $0`
	rm $install_scripts/checkinstall $install_scripts/patch_checkinstall $install_scripts/patch_postinstall
fi

#
# Since this apparently worked, we'll mark as obsoleted the prior
# versions of this patch - installpatch deals with explicit obsoletions.
#
cd ${PKG_INSTALL_ROOT:-/}
cd var/sadm/pkg

active_base=`echo $SUNW_PATCHID | nawk '
	{ print substr($0, 1, match($0, "-")-1) } '`

List=`ls -d $PKGINST/save/${active_base}* 2>/dev/null`
if [ $? -ne 0 ]; then
	List=""
fi

for savedir in $List; do
        patch=`basename $savedir` 
        if [ $patch = $SUNW_PATCHID ]; then
		break
	fi

        # If we get here then the previous patch gets deleted
	if [ -f $savedir/undo ]; then
		mv $savedir/undo $savedir/obsolete
		echo $SUNW_PATCHID >> $savedir/obsoleted_by
	elif [ -f $savedir/undo.Z ]; then
		mv $savedir/undo.Z $savedir/obsolete.Z
		echo $SUNW_PATCHID >> $savedir/obsoleted_by
        elif  [ -f $savedir/remote ]; then
                `grep . $PKGSAV/$patch/remote | sed 's|STATE=.*|STATE=obsolete|' > $TEMP_REMOTE` 
                rm -f $PKGSAV/$patch/remote 
                mv $TEMP_REMOTE $PKGSAV/$patch/remote  
                rm -f $TEMP_REMOTE 
                echo $SUNW_PATCHID >> $savedir/obsoleted_by
	elif  [ -f $savedir/obsolete -o -f $savedir/obsolete.Z ]; then
		echo $SUNW_PATCHID >> $savedir/obsoleted_by
	fi
done

# If additional operations are required for this package, place
# those package-specific commands here.

#XXXSpecial_CommandsXXX#

EXIT=0
MODULE=audioens
iroot=${PKG_INSTALL_ROOT:-$BASEDIR}
ADD_DRV=add_drv
REM_DRV=rem_drv
drvaliases="\'pci1274,5000\'|\'pci1274,1371\'|\'pci1274,1373\'"
DRV1_ALIAS='"pci1274,5000" "pci1274,1371" "pci1274,1373"'
DRVPERM='* 0666 root sys'
ALIASES=${iroot}/etc/driver_aliases
TMP=/tmp/$$

#
# Select the correct add_drv options to execute.
# Only attempt to attach the driver
# on a running system with the hardware present.
#

if [ "${iroot}" = "/" ]; then

#
#	Check to see if the hardware is there or not.
#
	nodes_found=0
	prtconf -p | egrep -c "${drvaliases}"
	if [ $? -eq 0 ]; then
        	nodes_found=1
	fi

	#
	# No need to add_drv if the running system is of a different arch
	# than the package
	#
	karch=`uname -p`.`uname -m`
	if [ "${karch}" != "${ARCH}" ]; then
		exit 0
	fi
	case ${nodes_found} in
		#
		# On a running system with hardware,
		# modify the system files and attach the driver
		#
		1 )
			ADD_DRV="${ADD_DRV} -b ${iroot}"
			REM_DRV="${REM_DRV} -b ${iroot}"
			;;
		#
		# On a running system of the relevant arch with *no* hardware,
		# modify the system files only; i.e. don't try to "attach"
		#
		0 )
			ADD_DRV="${ADD_DRV} -b ${iroot}"
			REM_DRV="${REM_DRV} -b ${iroot}"
			;;
	esac
else
	#
	# On a client,
	# modify the system files and touch /reconfigure ??
	# for reconfigure reboot ??
	#
	ADD_DRV="${ADD_DRV} -n -b ${iroot}"
	REM_DRV="${REM_DRV} -b ${iroot}"

fi

#
# If we have an entry in /etc/name_to_major, we still want to do
# the add_drv to make sure that both entries get into
# /etc/driver_aliases. So do a rem_drv to clear the entry from
# /etc/name_to_major (and /etc/driver_aliases) before starting.
# We don't really care if the rem_drv fails.
#

#
# We only want to do the add_drv if there are not 3 entries for
# ${MODULE} in ${iroot}/etc/driver_aliases.
#

AUDIOENSENTRYCOUNT=`egrep -c ${MODULE} ${ALIASES} 2>/dev/null`

if [ ${AUDIOENSENTRYCOUNT} -ne 3 ] ; then 
	cd ${iroot}/dev
	rm -f audio 
	rm -f audioctl 
	rm -f sound/0 
	rm -f sound/0ctl 
	${REM_DRV} ${MODULE} 2> /dev/null
#
# rem_drv doesn't clear the audioens entry from ${ALIASES}
# so we must do this manually for the ${ADD_DRV} to work.
#
        grep -v ${MODULE} ${ALIASES} >$TMP.aliases
        cp $TMP.aliases ${ALIASES}
        rm -f $TMP.aliases
	${ADD_DRV} -m "${DRVPERM}" -i "${DRV1_ALIAS}" ${MODULE} || {
		echo "\n${PKGINST}: Failed ${ADD_DRV} -m "'"'"${DRVPERM}"'" -i "'"${DRV1_ALIAS}"'"'" ${MODULE}\n" >&2
		EXIT=1
	}
fi

exit ${EXIT}
