#!/bin/sh
#
# Copyright 2002-2019 the original author or authors.
#
# Licensed 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
#
#      https://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.

##############################################################################
#
#   Maven Start Up Batch script
#
##############################################################################

# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
while [ -h "$PRG" ]; do
    ls=$(ls -ld "$PRG")
    link=$(expr "$ls" : '.*-> \(.*\)$')
    if expr "$link" : '/.*' > /dev/null; then
        PRG="$link"
    else
        PRG=$(dirname "$PRG")/"$link"
    fi
done
APP_HOME=$(cd "$(dirname "$PRG")" > /dev/null; pwd)

# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum

warn () {
    echo "$*"
}

die () {
    echo
    echo "$*"
    echo
    exit 1
}

# OS specific support.
cygwin=false
msys=false
darwin=false
nonstop=false
case "$(uname)" in
  CYGWIN*) cygwin=true ;;
  Darwin*) darwin=true ;;
  MSYS* | MINGW*) msys=true ;;
  NONSTOP*) nonstop=true ;;
esac

# For Cygwin, ensure paths are in UNIX format before anything is touched.
if $cygwin; then
    [ -n "$MAVEN_HOME" ] && MAVEN_HOME=$(cygpath --unix "$MAVEN_HOME")
    [ -n "$CLASSPATH" ] && CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
fi

# Attempt to find MAVEN_HOME
if [ -z "$MAVEN_HOME" ]; then
    MAVEN_HOME=/usr/local/maven
fi

if [ -e "$MAVEN_HOME/bin/mvn" ]; then
    exec "$MAVEN_HOME/bin/mvn" "$@"
elif [ -x /usr/bin/mvn ]; then
    exec /usr/bin/mvn "$@"
elif [ -x /usr/local/bin/mvn ]; then
    exec /usr/local/bin/mvn "$@"
else
    die "ERROR: Could not find Maven installation. Please install Maven or set JAVA_HOME and MAVEN_HOME."
fi