#!/bin/bash

if [ -f /usr/share/java-utils/java-functions ] ; then

  . /usr/share/java-utils/java-functions

  set_jvm

  set_javacmd

fi

function install_metadata()

{

    mkdir -p "$1"

    tar xf /usr/share/maven/repo-metadata.tar.xz -C "$1"

}

function help()

{

    echo "mvn-rpmbuild [options] [<goal(s)>] [<phase(s)>]"

    echo

    echo "mvn-rpmbuild is custom Fedora maven used for building maven projects"

    echo "using only jar files provided by rpms installed on your system. It will"

    echo "never download artifacts from remote repositories. You can modify its"

    echo "behaviour using several environment variables:"

    echo

    echo "-Dmaven.repo.local [default:$(pwd)/.m2] - custom location of maven repository"

    echo "-Dmaven.local.depmap.file - file containing custom dependency mapping between"

    echo "                            groupId:artifactId and jar file. File format see:"

    echo "                            http://fedoraproject.org/wiki/Java/JPPMavenReadme"

    echo "-Dmaven.local.debug - if set maven will print additional resolving information"

    echo "                      that can be useful for debugging resolver problems"

}

# add maven.repo.local if it's not defined already

local_add="-Dmaven.repo.local=$(pwd)/.m2/"

# Check whether we are ran in mock

# FIXME: is there a better way to do this?

mock=test

test "$HOME" = /builddir && mock=:

if $mock; then

  log_file="$(umask 2 && mktemp -t mvn-rpmbuild.$$.XXXXXXXXXX)"

  logfile_add="-Dmaven.resolver.logfile=$log_file"

fi

function process_args()

{

while [ $# != 0 ]; do

        flag="$1"

        case "$flag" in

             -h|--help)

                help

                ;;

             *) ind=`expr match "$flag" -Dmaven.repo.local=`

                if [[ $ind != 0 ]];then

                    install_metadata "${flag/-Dmaven.repo.local=/}/"

                    local_add=""

                fi

                ;;

        esac

        shift

done

}

process_args "$@"

if [ -n "$local_add" ];then

    install_metadata "${local_add/-Dmaven.repo.local=/}/"

fi

export M2_HOME=/usr/share/maven

echo $JAVA_HOME

export JAVA_HOME

# can't put it on command line due to

# http://jira.codehaus.org/browse/SUREFIRE-121

export MAVEN_OPTS="$MAVEN_OPTS -Dmaven.local.mode ${local_add} ${logfile_add}"

$M2_HOME/bin/mvn -o "$@" || exit $?

$mock || exit 0

sanitize() {

    for obj in $1; do

	echo -n 'mvn-rpmbuild: possibly redundant dependency: '

	rpm -qf "$(readlink -f $obj)" | sed 's/-[^-]*-[^-]*$//'

    done | sort -u

}

installed=$(sanitize "$(rpm -ql `package-cleanup --all --leaves | xargs` | egrep '\.(jar|pom)$')")

used=$(sanitize "$(cat $log_file 2>/dev/null)")

diff - /dev/fd/3 <<<"$installed" 3<<<"$used" | grep '^< ' | sed s/..//

: