postuninstall.sh

来自「firebird源代码」· Shell 代码 · 共 88 行

#!/bin/sh

# The post uninstall routine for Firebird Classic.


#------------------------------------------------------------------------
# remove line from config file if it exists in it.

removeLineFromFile() {
    FileName=$1
    oldLine=$2

    if [ ! -z "$oldLine" ] 
      then
        cat $FileName | grep -v "$oldLine" > ${FileName}.tmp
        mv ${FileName}.tmp $FileName
        echo "Updated."

    fi
}


#------------------------------------------------------------------------
# remove the xinetd config file and restart the service

removeXInetDService() {

    if [ -f /etc/xinetd.d/firebird ] 
      then
        rm -f /etc/xinetd.d/firebird
    fi


    if [ -f /var/run/xinetd.pid ]
      then
        kill -USR2 `cat /var/run/xinetd.pid`
    fi
    
}


#------------------------------------------------------------------------
# remove the inetd file and restart the service.

removeInetDService() {
    # Next, lose the gds_db line from /etc/inetd.conf

    FileName=/etc/inetd.conf
    oldLine=`grep "^gds_db" $FileName`
    removeLineFromFile "$FileName" "$oldLine"

    # Get inetd to reread new inetd.conf file
    
    if [ -f /var/run/inetd.pid ]
      then
        kill -HUP `cat /var/run/inetd.pid`
    fi
}


#= Main PostUn ============================================================

# I don't think this is needed anymore.
#    if [ -L /usr/lib/libgds.so ] 
#      then 
#        rm /usr/lib/libgds.so 
#    fi 

    if [ "$1"=0 ] 
      then 

        # Lose the gds_db line from /etc/services 

        FileName=/etc/services
        oldLine=`grep "^gds_db" $FileName`
        removeLineFromFile "$FileName" "$oldLine"

        
        if [ -d /etc/xinetd.d ]
          then
            removeXInetDService
        elif [ -f /etc/inetd.d ]
          then
            removeInetDService
        fi

    fi