#!/bin/sh # # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License, Version 1.0 only # (the "License"). You may not use this file except in compliance # with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or http://www.opensolaris.org/os/licensing. # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # #ident "%Z%%M% %I% %E% SMI" # # Copyright 2004 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # # Get parameter value from old ata.conf file. # Syntax: file parameter-name getval() { # Strip all instances of ';' putval() will add exactly one. sed -n "/^[ ]*[^#]/s/.*$2[ ]*=[ ]*\([^ ;]*\).*/\1/p" $1 \ | head -1 } # Put old parameter value into new ata.conf file. # Syntax: file parameter-name value putval() { # If new parameter-value pair, append it to the file. grep "^[ ]*$2" $1 >/dev/null if [ $? -eq 0 ] then sed "/^[ ]*[^#]/s/\($2[ ]*=[ ]*\)[^ ]*/\1$3;/" \ $1 > /tmp/tmp.$$ mv /tmp/tmp.$$ $1 else echo "$2=$3;" >>$1 fi } while read src dest do if [ ! -f $dest ] ; then # no existing version, just copy in new one cp $src $dest else # Save existing values of the following parameters. # Copy new ata.conf over current configuration file. # Restore saved parameters in the new ata.conf file. # standby=`getval $dest standby` drive0_block_factor=`getval $dest drive0_block_factor` drive1_block_factor=`getval $dest drive1_block_factor` timing_flags=`getval $dest timing_flags` cp $src $dest if [ -n "$standby" ] then putval $dest standby $standby fi if [ -n "$drive0_block_factor" ] then putval $dest drive0_block_factor $drive0_block_factor fi if [ -n "$drive1_block_factor" ] then putval $dest drive1_block_factor $drive1_block_factor fi if [ -n "$timing_flags" ] then putval $dest timing_flags $timing_flags fi fi done exit 0