#!/bin/sh

get_first_xml_tag() {
    grep -oP '(?<='$2'>)[^<]+' $1 | head -n 1
}

get_modules() {
    echo "  <modules>"

    for f in poms/**/*.xml; do
        echo "    <module>"$f"</module>"
    done

    echo "  </modules>"
}

generate_xml() {
    echo '<project xmlns="http://maven.apache.org/POM/4.0.0"'
    echo '         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'
    echo '         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0'
    echo '                             http://maven.apache.org/xsd/maven-4.0.0.xsd">'

    get_modules

    echo "</project>"
}

generate_xml > pom.xml