Just build what is needed

mvni

#!/bin/bash

ARGS="$@"
set ARTIFACT=

for f in $(git status -s | cut -c 4- | cut -d/ -f1 - | sort -u)
do
	if [ -d ${f} ] # must be a directory
	then
		if [ "${ARTIFACT}" == "" ] 
		then
			ARTIFACT="${f}"
		else
			ARTIFACT="${ARTIFACT},${f}"
		fi	
	fi
done

echo "Changes in: ${ARTIFACT}"
echo "Running: mvn ${ARGS} -pl ${ARTIFACT}"

mvn ${ARGS} -pl ${ARTIFACT}