A simple script to completely clean tomcat between Sakai deployments

clean_tomcat.sh

#!/bin/bash
# created by Leonardo Canessa
# Modified from mtheoryx
# lcanessa1@udayton.edu
# simple script to clean tomcat prior to deploying sakai

# $CATALINA_HOME assumed to be a symlink (/opt/tomcat) to an apache-tomcat-X.Y.Z folder
tomcatVersion=`ls -l $CATALINA_HOME`
tomcat8=false
tomcat7=false

if [[ $tomcatVersion == *"apache-tomcat-8"* ]]
then
    echo "Tomcat 8 detected."
    tomcat8=true
elif [[ $tomcatVersion == *"apache-tomcat-7"* ]]
then
    echo "Tomcat 7 detected."
    tomcat7=true
else
    echo "Tomcat version not detected."
    exit 0
fi

if [ "$tomcat7" = true ]
then
    echo "Making backwards compatible directories ..."
    mkdir -pv $CATALINA_HOME/shared/classes $CATALINA_HOME/shared/lib $CATALINA_HOME/common/classes $CATALINA_HOME/common/lib $CATALINA_HOME/server/classes $CATALINA_HOME/server/lib
fi

echo "Cleaning up: "${CATALINA_HOME}" ... "
# remove old data
if [ "$tomcat7" = true ]
then
    echo "Cleaning shared lib..."
    rm -f $CATALINA_HOME/shared/lib/*

    echo "Cleaning common lib..."
    rm -f $CATALINA_HOME/common/lib/*
elif [ "$tomcat8" = true ]
then
    echo "Cleaning lib..."
    rm -f $CATALINA_HOME/lib/*
fi

echo "Cleaning webapps..."
rm -rf $CATALINA_HOME/webapps/*

echo "Cleaning components..."
rm -rf $CATALINA_HOME/components/*

echo "Cleaning work..."
rm -rf $CATALINA_HOME/work/*

echo "Cleaning temp.."
rm -rf $CATALINA_HOME/temp/*

echo "Tomcat resources are now clean"

echo "Copying needed resources..."
# copy needed resources
# copy libraries which aren't deployed correctly to tomcat ???
echo "Copying libraries..."
if [ "$tomcat7" = true ]
then
    cp -r /opt/tomcat-libs/common $CATALINA_HOME/
    cp -r /opt/tomcat-libs/shared $CATALINA_HOME/
elif [ "$tomcat8" = true ]
then
    cp -r /opt/tomcat-libs/lib/* $CATALINA_HOME/lib
fi

# copy mysql connector, connector should be in $CATALINA_HOME/lib, but this
# method allows for connectorj to be kept uptodate
echo "Copying connector/J..."
if [ "$tomcat7" = true ]
then
    cp /opt/connectorj/m*.jar $CATALINA_HOME/common/lib
    cp /opt/ojdbc/*.jar $CATALINA_HOME/common/lib
elif [ "$tomcat8" = true ]
then
    cp /opt/connectorj/m*.jar $CATALINA_HOME/lib
    cp /opt/ojdbc/*.jar $CATALINA_HOME/lib
fi

echo "All done!"
# Future work, check that libraries copied correctly