Create a zip-of-zips from a given directory structure.

package.sh

#!/bin/bash

main() {
    if [ "$#" -ne 2 ]; then
        printusage
        exit 0
    fi

    dozip $1 $2
}

function dozip {
    cd $1
    for d in $(ls -d */); do
        echo "zipping $d"
        cd $d
        zip ../$d.zip *
        cd ..
    done
    echo "creating $2.zip"
    zip ../$2.zip *
}

function printusage {
    cat << EXPLEND

Helper script to create a provisioning package.

Usage: $0 <directory> <zipname>

Creates a zip-of-zips from <directory> and names it "<zipname>.zip"
First, all top level directories inside are zipped one by one, then the top level directory is zipped.
If the output zipfile already exists, it will be updated.

EXPLEND
}

main "$@"