#!/usr/bin/env zsh

dir=$(dirname $2)
manifest=${dir}/manifest

deps() {
    sort -u $manifest | awk -v "base=${dir}" '{ print base "/" $0; }'
}

filter() {
    read -r -d '' script <<'EOF'
/\.class$/d
EOF
    sed -r $script
}

gup --update $manifest

deps | xargs gup --update
{ cd $dir; xargs -d '\n' -- find | filter | xargs -t -d '\n' -- zip $(basename $2) manifest } <${manifest}