installMaven.sh

#!/bin/bash

set -euo pipefail
DIR_ME=$(realpath $(dirname $0))
VERSION_MAVEN="3.8.3"

# This script is called by any user. It shall succeed without a username parameter
. ${DIR_ME}/.installUtils.sh
setUserName ${1-"$(whoami)"}

# ensure old installation directories are removed as well
if [[ -d /usr/share/maven ]]; then
    sudo rm -fr /usr/share/maven
fi

if [[ $(which mvn | wc -l) == 0 ]]; then

	sudo mkdir -p /usr/lib/maven

	# download & unpack
	if [[ ! -e ${HOMEDIR}/Downloads/apache-maven-${VERSION_MAVEN}-bin.tar.gz ]]; then
		curl -fSL https://apache.osuosl.org/maven/maven-3/${VERSION_MAVEN}/binaries/apache-maven-${VERSION_MAVEN}-bin.tar.gz -o ${HOMEDIR}/Downloads/apache-maven-${VERSION_MAVEN}-bin.tar.gz
	fi
	sudo tar -xzf ${HOMEDIR}/Downloads/apache-maven-${VERSION_MAVEN}-bin.tar.gz -C /usr/lib/maven --strip-components=1

	if [[ ! -d ${HOMEDIR}/.m2 ]]; then
		mkdir -p ${HOMEDIR}/.m2
	fi

	USE_WIN_M2=${1-""}
	# only use windows m2 if told to do so
	if [[ ${USE_WIN_M2} == "--useWinM2" ]]; then

		if [[ -n ${WINDOWS_USER_HOME} ]]; then

			if [[ -f ${WINDOWS_USER_HOME}/.m2/settings.xml ]]; then
				cp -f ${WINDOWS_USER_HOME}/.m2/settings.xml ${HOMEDIR}/.m2
				sed -i "s:<localRepository>.*<:<localRepository>${WINDOWS_USER_HOME}/.m2/repository<:g" ${HOMEDIR}/.m2/settings.xml
			else
				echo "<settings><localRepository>${WINDOWS_USER_HOME}/.m2/repository</localRepository></settings>" > ${HOMEDIR}/.m2/settings.xml
			fi
		fi
	fi
else
  echo -e "mvn is already installed:\n$(mvn --version)\n"
fi

copyConfigureScript "configureJvmEnv.sh"
modifyBashrc "configureJvmEnv.sh" ". ${HOMEDIR}/.local/bin/env/configureJvmEnv.sh"