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#!/bin/sh
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# ----------------------------------------------------------------------------
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements.  See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership.  The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License.  You may obtain a copy of the License at
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#
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#    https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied.  See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# ----------------------------------------------------------------------------
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# ----------------------------------------------------------------------------
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# Apache Maven Wrapper startup batch script, version 3.2.0
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#
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# Required ENV vars:
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# ------------------
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#   JAVA_HOME - location of a JDK home dir
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#
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# Optional ENV vars
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# -----------------
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#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
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#     e.g. to debug Maven itself, use
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#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
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#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
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# ----------------------------------------------------------------------------
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if [ -z "$MAVEN_SKIP_RC" ] ; then
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  if [ -f /usr/local/etc/mavenrc ] ; then
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    . /usr/local/etc/mavenrc
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  fi
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  if [ -f /etc/mavenrc ] ; then
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    . /etc/mavenrc
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  fi
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  if [ -f "$HOME/.mavenrc" ] ; then
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    . "$HOME/.mavenrc"
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  fi
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fi
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# OS specific support.  $var _must_ be set to either true or false.
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cygwin=false;
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darwin=false;
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mingw=false
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case "$(uname)" in
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  CYGWIN*) cygwin=true ;;
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  MINGW*) mingw=true;;
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  Darwin*) darwin=true
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    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
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    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
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    if [ -z "$JAVA_HOME" ]; then
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      if [ -x "/usr/libexec/java_home" ]; then
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        JAVA_HOME="$(/usr/libexec/java_home)"; export JAVA_HOME
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      else
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        JAVA_HOME="/Library/Java/Home"; export JAVA_HOME
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      fi
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    fi
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    ;;
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esac
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if [ -z "$JAVA_HOME" ] ; then
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  if [ -r /etc/gentoo-release ] ; then
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    JAVA_HOME=$(java-config --jre-home)
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  fi
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fi
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# For Cygwin, ensure paths are in UNIX format before anything is touched
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if $cygwin ; then
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  [ -n "$JAVA_HOME" ] &&
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    JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
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  [ -n "$CLASSPATH" ] &&
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    CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
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fi
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# For Mingw, ensure paths are in UNIX format before anything is touched
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if $mingw ; then
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  [ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] &&
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    JAVA_HOME="$(cd "$JAVA_HOME" || (echo "cannot cd into $JAVA_HOME."; exit 1); pwd)"
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fi
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if [ -z "$JAVA_HOME" ]; then
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  javaExecutable="$(which javac)"
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  if [ -n "$javaExecutable" ] && ! [ "$(expr "\"$javaExecutable\"" : '\([^ ]*\)')" = "no" ]; then
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    # readlink(1) is not available as standard on Solaris 10.
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    readLink=$(which readlink)
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    if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then
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      if $darwin ; then
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        javaHome="$(dirname "\"$javaExecutable\"")"
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        javaExecutable="$(cd "\"$javaHome\"" && pwd -P)/javac"
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      else
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        javaExecutable="$(readlink -f "\"$javaExecutable\"")"
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      fi
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      javaHome="$(dirname "\"$javaExecutable\"")"
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      javaHome=$(expr "$javaHome" : '\(.*\)/bin')
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      JAVA_HOME="$javaHome"
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      export JAVA_HOME
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    fi
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  fi
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fi
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if [ -z "$JAVACMD" ] ; then
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  if [ -n "$JAVA_HOME"  ] ; then
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    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
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      # IBM's JDK on AIX uses strange locations for the executables
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      JAVACMD="$JAVA_HOME/jre/sh/java"
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    else
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      JAVACMD="$JAVA_HOME/bin/java"
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    fi
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  else
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    JAVACMD="$(\unset -f command 2>/dev/null; \command -v java)"
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  fi
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fi
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if [ ! -x "$JAVACMD" ] ; then
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  echo "Error: JAVA_HOME is not defined correctly." >&2
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  echo "  We cannot execute $JAVACMD" >&2
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  exit 1
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fi
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if [ -z "$JAVA_HOME" ] ; then
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  echo "Warning: JAVA_HOME environment variable is not set."
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fi
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# traverses directory structure from process work directory to filesystem root
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# first directory with .mvn subdirectory is considered project base directory
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find_maven_basedir() {
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  if [ -z "$1" ]
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  then
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    echo "Path not specified to find_maven_basedir"
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    return 1
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  fi
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  basedir="$1"
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  wdir="$1"
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  while [ "$wdir" != '/' ] ; do
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    if [ -d "$wdir"/.mvn ] ; then
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      basedir=$wdir
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      break
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    fi
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    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
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    if [ -d "${wdir}" ]; then
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      wdir=$(cd "$wdir/.." || exit 1; pwd)
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    fi
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    # end of workaround
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  done
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  printf '%s' "$(cd "$basedir" || exit 1; pwd)"
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}
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# concatenates all lines of a file
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concat_lines() {
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  if [ -f "$1" ]; then
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    # Remove \r in case we run on Windows within Git Bash
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    # and check out the repository with auto CRLF management
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    # enabled. Otherwise, we may read lines that are delimited with
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    # \r\n and produce $'-Xarg\r' rather than -Xarg due to word
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    # splitting rules.
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    tr -s '\r\n' ' ' < "$1"
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  fi
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}
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log() {
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  if [ "$MVNW_VERBOSE" = true ]; then
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    printf '%s\n' "$1"
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  fi
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}
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BASE_DIR=$(find_maven_basedir "$(dirname "$0")")
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if [ -z "$BASE_DIR" ]; then
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  exit 1;
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fi
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MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}; export MAVEN_PROJECTBASEDIR
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log "$MAVEN_PROJECTBASEDIR"
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##########################################################################################
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# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
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# This allows using the maven wrapper in projects that prohibit checking in binary data.
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##########################################################################################
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wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar"
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if [ -r "$wrapperJarPath" ]; then
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    log "Found $wrapperJarPath"
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else
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    log "Couldn't find $wrapperJarPath, downloading it ..."
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    if [ -n "$MVNW_REPOURL" ]; then
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      wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
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    else
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      wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
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    fi
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    while IFS="=" read -r key value; do
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      # Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' )
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      safeValue=$(echo "$value" | tr -d '\r')
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      case "$key" in (wrapperUrl) wrapperUrl="$safeValue"; break ;;
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      esac
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    done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
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    log "Downloading from: $wrapperUrl"
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    if $cygwin; then
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      wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
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    fi
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    if command -v wget > /dev/null; then
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        log "Found wget ... using wget"
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        [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet"
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        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
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            wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
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        else
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            wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
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        fi
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    elif command -v curl > /dev/null; then
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        log "Found curl ... using curl"
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        [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent"
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        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
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            curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
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        else
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            curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
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        fi
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    else
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        log "Falling back to using Java to download"
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        javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java"
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        javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class"
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        # For Cygwin, switch paths to Windows format before running javac
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        if $cygwin; then
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          javaSource=$(cygpath --path --windows "$javaSource")
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          javaClass=$(cygpath --path --windows "$javaClass")
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        fi
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        if [ -e "$javaSource" ]; then
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            if [ ! -e "$javaClass" ]; then
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                log " - Compiling MavenWrapperDownloader.java ..."
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                ("$JAVA_HOME/bin/javac" "$javaSource")
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            fi
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            if [ -e "$javaClass" ]; then
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                log " - Running MavenWrapperDownloader.java ..."
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                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath"
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            fi
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        fi
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    fi
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fi
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##########################################################################################
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# End of extension
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##########################################################################################
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# If specified, validate the SHA-256 sum of the Maven wrapper jar file
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wrapperSha256Sum=""
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while IFS="=" read -r key value; do
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  case "$key" in (wrapperSha256Sum) wrapperSha256Sum=$value; break ;;
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  esac
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done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
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if [ -n "$wrapperSha256Sum" ]; then
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  wrapperSha256Result=false
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  if command -v sha256sum > /dev/null; then
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    if echo "$wrapperSha256Sum  $wrapperJarPath" | sha256sum -c > /dev/null 2>&1; then
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      wrapperSha256Result=true
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    fi
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  elif command -v shasum > /dev/null; then
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    if echo "$wrapperSha256Sum  $wrapperJarPath" | shasum -a 256 -c > /dev/null 2>&1; then
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      wrapperSha256Result=true
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    fi
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  else
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    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available."
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    echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties."
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    exit 1
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  fi
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  if [ $wrapperSha256Result = false ]; then
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    echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2
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    echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2
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    echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2
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    exit 1
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  fi
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fi
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MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
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# For Cygwin, switch paths to Windows format before running java
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if $cygwin; then
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  [ -n "$JAVA_HOME" ] &&
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    JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
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  [ -n "$CLASSPATH" ] &&
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    CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
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  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
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    MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
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fi
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# Provide a "standardized" way to retrieve the CLI args that will
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# work with both Windows and non-Windows executions.
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MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*"
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export MAVEN_CMD_LINE_ARGS
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WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
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# shellcheck disable=SC2086 # safe args
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exec "$JAVACMD" \
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  $MAVEN_OPTS \
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  $MAVEN_DEBUG_OPTS \
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  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
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  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
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  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
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