Gld Extension .install Script

#!/bin/bash

#
# Installation script. To be executed on initial installation or upgrade, from the bin directory.
#

#
# this will be replaced by the assembly logic with the official extension name, declared as "extension.name" in the
# top project POM.
#
extension_name=${extension.name}

function main() {

    local version
    local release_directory
    local release_directory_name
    local extensions_directory

    release_directory=$(dirname $0)/..
    release_directory_name=$(basename $(cd $(dirname $0)/..; pwd))
    extensions_directory=$(dirname $0)/../..
    version=${release_directory_name#${extension_name}-}

    #
    # if the extension directory is not present, create it
    #

    if [ ! -d ${extensions_directory}/${extension_name} ]; then
        echo "extension directory ${extensions_directory}/${extension_name} not present, creating it ..."
        mkdir ${extensions_directory}/${extension_name}
    fi

    #
    # verify that the specific extension version is not installed yet. If it is, fail.
    #

    [ -f ${extensions_directory}/${extension_name}/${extension_name}-${version}.jar ] && \
        { echo "${extension_name}-${version}.jar already installed in ${extensions_directory}/${extension_name}" 1>&2; exit 1; }

    #
    # remove all extensions JARs previously installed in the extension directory
    #

    for i in $(find ${extensions_directory}/${extension_name} -name *.jar); do
        echo "removing old extension JAR ${i} ..."
        rm ${i} || exit 1
    done

    #
    # install the new extension and the client libraries that come with this new release
    #

    echo "installing new extension ${extension_name}-${version}.jar and any client libraries that come with this extension ..."
    cp -r ${release_directory}/* ${extensions_directory}/${extension_name} || exit 1
    rm -r ${extensions_directory}/${extension_name}/bin

    #
    #  remove the temporary installation directory
    #

    echo "removing the temporary installation directory ${release_directory_name} from ${extensions_directory}..."
    (cd ${extensions_directory}; rm -r ${release_directory_name})
}

main