Bash script to generate project from maven archetype for Java EE7 webapp with Arquillian

webapp-arq.sh

#!/usr/bin/env bash

# maven archetype helper script
# Gene De Lisa

# === the variables

# your generated output
myartifact=sampleproject
mygroup=com.rockhoppertech
mypackage=com.rockhoppertech

# the archetype we're using
#myrepo=https://nexus.codehaus.org/content/repositories/snapshots/
myrepo=http://repo1.maven.org/
archetypeGroupId=org.javaee-samples
archetypeArtifactId=javaee7-arquillian-archetype
archetypeVersion=1.0.1

# === end variables

usage() { echo "Usage: $0 [-a yourartifactid] [-g yourgroupid] [-p yourpackage]" 1>&2; exit 1; }

while getopts ":a:g:p:" o; do
    case "${o}" in
        a)
            myartifact=${OPTARG}
            ;;
        g)
            mygroup=${OPTARG}
            ;;
	p)
	    mypackage=${OPTARG}
	    ;;
        *)
            usage
            ;;
    esac
done
shift $((OPTIND-1))

if [ -z "${myartifact}" ] || [ -z "${mygroup}" ] || [ -z "${mypackage}" ]; then
    usage
fi

echo $myartifact
echo $mygroup
echo $mypackage

mvn -DarchetypeGroupId=$archetypeGroupId -DarchetypeArtifactId=$archetypeArtifactId -DarchetypeVersion=$archetypeVersion -DarchetypeRepository=$myrepo -DgroupId=$mygroup -DartifactId=$myartifact -Dversion=1.0-SNAPSHOT -Dpackage=$mypackage  -Darchetype.interactive=false --batch-mode --update-snapshots archetype:generate

Yes, you can type the mvn line in your terminal and it will work. That's a lot of typing with many opportunities to screw up. I know because I've screwed it up so many times that I was motivated to just write this simple script.