#!/bin/sh
  # ----------------------------------------------------------------------------
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing,
  # software distributed under the License is distributed on an
  # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied.  See the License for the
  # specific language governing permissions and limitations
  # under the License.
  # ----------------------------------------------------------------------------
  
  # ----------------------------------------------------------------------------
  # Maven2 Start Up Batch script
  #
  # Required ENV vars:
  # ------------------
  #   JAVA_HOME - location of a JDK home dir
  #
  # Optional ENV vars
  # -----------------
  #   M2_HOME - location of maven2's installed home dir
  #   MAVEN_OPTS - parameters passed to the Java VM when running Maven
  #     e.g. to debug Maven itself, use
  #       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
  #   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
  # ----------------------------------------------------------------------------
  
  if [ -z "$MAVEN_SKIP_RC" ] ; then
  
    if [ -f /etc/mavenrc ] ; then
      . /etc/mavenrc
    fi
  
    if [ -f "$HOME/.mavenrc" ] ; then
      . "$HOME/.mavenrc"
    fi
  
  fi
  
  # OS specific support.  $var _must_ be set to either true or false.
  cygwin=false;
  darwin=false;
  mingw=false
  case "`uname`" in
    CYGWIN*) cygwin=true ;;
    MINGW*) mingw=true;;
    Darwin*) darwin=true
      # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
      # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
      if [ -z "$JAVA_HOME" ]; then
        if [ -x "/usr/libexec/java_home" ]; then
          export JAVA_HOME="`/usr/libexec/java_home`"
        else
          export JAVA_HOME="/Library/Java/Home"
        fi
      fi
      ;;
  esac
  
  if [ -z "$JAVA_HOME" ] ; then
    if [ -r /etc/gentoo-release ] ; then
      JAVA_HOME=`java-config --jre-home`
    fi
  fi
  
  if [ -z "$M2_HOME" ] ; then
    ## resolve links - $0 may be a link to maven's home
    PRG="$0"
  
    # need this for relative symlinks
    while [ -h "$PRG" ] ; do
      ls=`ls -ld "$PRG"`
      link=`expr "$ls" : '.*-> \(.*\)$'`
      if expr "$link" : '/.*' > /dev/null; then
        PRG="$link"
      else
        PRG="`dirname "$PRG"`/$link"
      fi
    done
  
    saveddir=`pwd`
  
    M2_HOME=`dirname "$PRG"`/..
  
    # make it fully qualified
    M2_HOME=`cd "$M2_HOME" && pwd`
  
    cd "$saveddir"
    # echo Using m2 at $M2_HOME
  fi
  
  # For Cygwin, ensure paths are in UNIX format before anything is touched
  if $cygwin ; then
    [ -n "$M2_HOME" ] &&
      M2_HOME=`cygpath --unix "$M2_HOME"`
    [ -n "$JAVA_HOME" ] &&
      JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
    [ -n "$CLASSPATH" ] &&
      CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
  fi
  
  # For Migwn, ensure paths are in UNIX format before anything is touched
  if $mingw ; then
    [ -n "$M2_HOME" ] &&
      M2_HOME="`(cd "$M2_HOME"; pwd)`"
    [ -n "$JAVA_HOME" ] &&
      JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
    # TODO classpath?
  fi
  
  if [ -z "$JAVA_HOME" ]; then
    javaExecutable="`which javac`"
    if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
      # readlink(1) is not available as standard on Solaris 10.
      readLink=`which readlink`
      if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
        if $darwin ; then
          javaHome="`dirname \"$javaExecutable\"`"
          javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
        else
          javaExecutable="`readlink -f \"$javaExecutable\"`"
        fi
        javaHome="`dirname \"$javaExecutable\"`"
        javaHome=`expr "$javaHome" : '\(.*\)/bin'`
        JAVA_HOME="$javaHome"
        export JAVA_HOME
      fi
    fi
  fi
  
  if [ -z "$JAVACMD" ] ; then
    if [ -n "$JAVA_HOME"  ] ; then
      if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
        # IBM's JDK on AIX uses strange locations for the executables
        JAVACMD="$JAVA_HOME/jre/sh/java"
      else
        JAVACMD="$JAVA_HOME/bin/java"
      fi
    else
      JAVACMD="`which java`"
    fi
  fi
  
  if [ ! -x "$JAVACMD" ] ; then
    echo "Error: JAVA_HOME is not defined correctly." >&2
    echo "  We cannot execute $JAVACMD" >&2
    exit 1
  fi
  
  if [ -z "$JAVA_HOME" ] ; then
    echo "Warning: JAVA_HOME environment variable is not set."
  fi
  
  CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
  
  # traverses directory structure from process work directory to filesystem root
  # first directory with .mvn subdirectory is considered project base directory
  find_maven_basedir() {
  
    if [ -z "$1" ]
    then
      echo "Path not specified to find_maven_basedir"
      return 1
    fi
  
    basedir="$1"
    wdir="$1"
    while [ "$wdir" != '/' ] ; do
      if [ -d "$wdir"/.mvn ] ; then
        basedir=$wdir
        break
      fi
      # workaround for JBEAP-8937 (on Solaris 10/Sparc)
      if [ -d "${wdir}" ]; then
        wdir=`cd "$wdir/.."; pwd`
      fi
      # end of workaround
    done
    echo "${basedir}"
  }
  
  # concatenates all lines of a file
  concat_lines() {
    if [ -f "$1" ]; then
      echo "$(tr -s '\n' ' ' < "$1")"
    fi
  }
  
  BASE_DIR=`find_maven_basedir "$(pwd)"`
  if [ -z "$BASE_DIR" ]; then
    exit 1;
  fi
  
  export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
  echo $MAVEN_PROJECTBASEDIR
  MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
  
  # For Cygwin, switch paths to Windows format before running java
  if $cygwin; then
    [ -n "$M2_HOME" ] &&
      M2_HOME=`cygpath --path --windows "$M2_HOME"`
    [ -n "$JAVA_HOME" ] &&
      JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
    [ -n "$CLASSPATH" ] &&
      CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
    [ -n "$MAVEN_PROJECTBASEDIR" ] &&
      MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
  fi
  
  WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
  
  exec "$JAVACMD" \
    $MAVEN_OPTS \
    -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
    "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
    ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"