#!/bin/sh# The pre install routine for Firebird Classic#------------------------------------------------------------------------# Prompt for response, store result in AnswerAnswer=""AskQuestion() {    Test=$1    DefaultAns=$2    echo -n "${1}"    Answer="$DefaultAns"    read Answer}#------------------------------------------------------------------------#  stop super server if it is running #  Also will only stop firebird, since that has the init scriptstopServerIfRunning() {    checkString=`ps -efww| egrep "(ibserver|ibguard)" |grep -v grep`    if [ ! -z "$checkString" ]       then        if [ -f /etc/init.d/firebird ]          then            /etc/init.d/firebird stop        elif [ -f /etc/rc.d/init.d/firebird ]          then            /etc/rc.d/init.d/firebird stop        fi    fi}#------------------------------------------------------------------------#  stop server if it is runningcheckIfServerRunning() {    stopServerIfRunning# Check is server is being actively used.    checkString=`ps -efww| egrep "(ibserver|ibguard)" |grep -v grep`    if [ ! -z "$checkString" ]       then        echo "An instance of the Firebird/InterBase Super server seems to be running."         echo "(the ibserver or ibguard process was detected running on your system)"        echo "Please quit all Firebird applications and then proceed"        exit -1     fi    checkString=`ps -efww| egrep "(gds_inet_server|gds_pipe)" |grep -v grep`    if [ ! -z "$checkString" ]       then        echo "An instance of the Firebird/InterBase classic server seems to be running."         echo "(the gds_inet_server or gds_pipe process was detected running on your system"        echo "Please quit all Firebird applications and then proceed."         exit -1     fi    checkString=`netstat -an | egrep '3050.*LISTEN'`    if [ ! -z "$checkString" ]       then        echo "An instance of the Firebird/InterBase server seems to be running."         echo "(netstat -an reports a process is already listening on port 3050)"        echo "Please quit all Firebird applications and then proceed."         exit -1     fi# Stop lock manager if it is the only thing running.    for i in `ps -efww | grep "gds_lock_mgr" | grep -v "grep" | awk '{print $2}' `     do        kill $i     done}#------------------------------------------------------------------------# Run process and check statusrunAndCheckExit() {    Cmd=$*#    echo $Cmd    $Cmd    ExitCode=$?    if [ $ExitCode -ne 0 ]      then        echo "Install aborted: The command $Cmd "        echo "                 failed with error code $ExitCode"        exit $ExitCode    fi}#------------------------------------------------------------------------#  Display message if this is being run interactively.displayMessage() {    msgText=$1    if [ ! -z "$InteractiveInstall" ]      then        echo $msgText    fi}#------------------------------------------------------------------------#  Archive any existing prior installed files.#  The 'cd' stuff is to avoid the "leading '/' removed message from tar.#  for the same reason the DestFile is specified without the leading "/"archivePriorInstallSystemFiles() {    oldPWD=`pwd`    archiveFileList=""    cd /    DestFile="opt/interbase"    if [ -e "$DestFile"  ]      then        echo ""        echo ""        echo ""        echo "--- Warning ----------------------------------------------"        echo "    The installation target directory: $IBRootDir"        echo "    Already contains a prior installation of InterBase/Firebird."        echo "    This and files found in /usr/include and /usr/lib will be"        echo "    archived in the file : ${ArchiveMainFile}"        echo ""         if [ ! -z "$InteractiveInstall" ]          then            AskQuestion "Press return to continue or ^C to abort"        fi        if [ -e $DestFile ]          then            archiveFileList="$archiveFileList $DestFile"        fi    fi    for i in gds.h ibase.h iberror.h ib_util.h      do        DestFile=usr/include/$i        if [ -e $DestFile ]          then            archiveFileList="$archiveFileList $DestFile"        fi      done    for i in gds_pyxis.a gds.a libgds.so.0 libgds.so libib_util.so libgds.a      do        DestFile=usr/lib/$i        if [ -e $DestFile ]          then            archiveFileList="$archiveFileList $DestFile"        fi      done    for i in usr/sbin/rcfirebird etc/init.d/firebird etc/rc.d/init.d/firebird      do        DestFile=$i        if [ -e $DestFile ]          then            archiveFileList="$archiveFileList $DestFile"        fi      done      if [ ! -z "$archiveFileList" ]        then          displayMessage "Archiving..."          runAndCheckExit "tar -czf $ArchiveMainFile $archiveFileList"          displayMessage "Done."          displayMessage "Deleting..."          for i in $archiveFileList            do              rm -rf $i            done          displayMessage "Done."      fi    cd $oldPWD}#------------------------------------------------------------------------#  Check for installed RPM package# (Pavel I've left this in since originally I could test for other packages,# even if they did not conflict with current ones, ie we can test InterBase# and CS/SS  The package manager does not allow it currently but I've left# this in in case that sort of thing gets allowed againcheckForRPMInstall() {    PackageName=$1    rpm -q $PackageName    STATUS=$?     if [ $STATUS -eq 0 ]      then         echo "Previous version of $PackageName is detected on your system."         echo "this will conflict with the current install of Firebird"        echo "Please unistall the previous version `rpm -q $PackageName` and then proceed."         exit $STATUS     fi }#= Main Pre ================================================================    IBRootDir=/opt/interbase    IBBin=$IBRootDir/bin    ArchiveDateTag=`date +"%Y%m%d_%H%M"`    ArchiveMainFile="${IBRootDir}_${ArchiveDateTag}.tar.gz"# Ok so any of the following packages are a problem# these don't work at least in the latest rpm manager, since it # has the rpm database locked and it fails.#    checkForRPMInstall InterBase#    checkForRPMInstall FirebirdCS#    checkForRPMInstall FirebirdSS    checkIfServerRunning# Failing that we archive any files we find    archivePriorInstallSystemFiles