From 6d938a44b13d942eb38893aa4842dd9fa5fded9c Mon Sep 17 00:00:00 2001
From: bryanspacex <bryansamjames@gmail.com>
Date: Thu, 22 Jun 2023 23:31:45 +0530
Subject: [PATCH 1/2] added a 2 new functions

---
 mvnw | 367 +++++++++++++++++++++++++++++++----------------------------
 1 file changed, 193 insertions(+), 174 deletions(-)

diff --git a/mvnw b/mvnw
index 5bf251c077..16499fee27 100755
--- a/mvnw
+++ b/mvnw
@@ -1,225 +1,244 @@
 #!/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
+print_header() {
+  SCRIPT_NAME=$(basename "$0")
+  USER_NAME=$(whoami)
+  CURRENT_DATE=$(date +"%Y-%m-%d %H:%M:%S")
+  echo "-------------------------------------------------------------"
+  echo "Script Name: $SCRIPT_NAME"
+  echo "User: $USER_NAME"
+  echo "Date: $CURRENT_DATE"
+  echo "Java Home: $JAVA_HOME"
+  echo "Maven Home: $M2_HOME"
+  echo "-------------------------------------------------------------"
+  echo ""
+}
 
-fi
+initialize_variables() {
+  # Initialize any required variables here
+  # Example:
+  # VARIABLE_NAME="value"
+}
 
-# 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
+load_rc_files() {
+  if [ -z "$MAVEN_SKIP_RC" ]; then
+    if [ -f /etc/mavenrc ]; then
+      . /etc/mavenrc
     fi
-    ;;
-esac
 
-if [ -z "$JAVA_HOME" ] ; then
-  if [ -r /etc/gentoo-release ] ; then
-    JAVA_HOME=`java-config --jre-home`
+    if [ -f "$HOME/.mavenrc" ]; then
+      . "$HOME/.mavenrc"
+    fi
   fi
-fi
-
-if [ -z "$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="$link"
+setup_java_home() {
+  if [ -z "$JAVA_HOME" ]; then
+    if [ -x "/usr/libexec/java_home" ]; then
+      export JAVA_HOME="$(/usr/libexec/java_home)"
     else
-      PRG="`dirname "$PRG"`/$link"
+      export JAVA_HOME="/Library/Java/Home"
     fi
-  done
-
-  saveddir=`pwd`
+  fi
+}
 
-  M2_HOME=`dirname "$PRG"`/..
+resolve_m2_home() {
+  if [ -z "$M2_HOME" ]; then
+    PRG="$0"
 
-  # make it fully qualified
-  M2_HOME=`cd "$M2_HOME" && pwd`
+    # Resolve links - $0 may be a link to Maven's home
+    # Need this for relative symlinks
+    while [ -h "$PRG" ]; do
+      ls_output=$(ls -ld "$PRG")
+      link=$(expr "$ls_output" : '.*-> \(.*\)$')
 
-  cd "$saveddir"
-  # echo Using m2 at $M2_HOME
-fi
+      if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+      else
+        PRG="$(dirname "$PRG")/$link"
+      fi
+    done
 
-# 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 "$CLASSPATH"`
-fi
+    saveddir=$(pwd)
+    M2_HOME="$(dirname "$PRG")/.."
+    M2_HOME=$(cd "$M2_HOME" && pwd)
+    cd "$saveddir"
+  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
+convert_paths_to_unix_format() {
+  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")
+    [ -n "$MAVEN_PROJECTBASEDIR" ] && MAVEN_PROJECTBASEDIR=$(cygpath --path --unix "$MAVEN_PROJECTBASEDIR")
+  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\"`"
+check_java_home() {
+  if [ -z "$JAVA_HOME" ]; then
+    javaExecutable="$(which javac)"
+    if [ -n "$javaExecutable" ] && ! [ "$(expr "$javaExecutable" : '\([^ ]*\)')" = "no" ]; then
+      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="$javaHome"
+        export JAVA_HOME
       fi
-      javaHome="`dirname \"$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"
+set_java_command() {
+  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="$JAVA_HOME/bin/java"
+      fi
     else
-      JAVACMD="$JAVA_HOME/bin/java"
+      JAVACMD="$(which java)"
     fi
-  else
-    JAVACMD="`which java`"
   fi
-fi
-
-if [ ! -x "$JAVACMD" ] ; then
-  echo "Error: JAVA_HOME is not defined correctly." >&2
-  echo "  We cannot execute $JAVACMD" >&2
-  exit 1
-fi
+}
 
-if [ -z "$JAVA_HOME" ] ; then
-  echo "Warning: JAVA_HOME environment variable is not set."
-fi
+check_java_command_executable() {
+  if [ ! -x "$JAVACMD" ]; then
+    echo "Error: JAVA_HOME is not defined correctly." >&2
+    echo "We cannot execute $JAVACMD" >&2
+    exit 1
+  fi
+}
 
-CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+check_java_home_warning() {
+  if [ -z "$JAVA_HOME" ]; then
+    echo "Warning: JAVA_HOME environment variable is not set."
+  fi
+}
 
-# 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
+  if [ -z "$1" ]; then
     echo "Path not specified to find_maven_basedir"
     return 1
   fi
 
   basedir="$1"
   wdir="$1"
-  while [ "$wdir" != '/' ] ; do
-    if [ -d "$wdir"/.mvn ] ; then
+  while [ "$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`
+      wdir=$(cd "$wdir/.." && pwd)
     fi
-    # end of workaround
   done
-  echo "${basedir}"
+  echo "$basedir"
 }
 
-# concatenates all lines of a file
-concat_lines() {
+concatenate_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
+complex_function1() {
+  # Implement complex functionality here
+  echo "Executing Complex Function 1..."
+  # Add your code here
+}
+
+complex_function2() {
+  # Implement complex functionality here
+  echo "Executing Complex Function 2..."
+  # Add your code here
+}
+
+# Main execution starts here
+
+print_header
+initialize_variables
+load_rc_files
 
-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"`
+# 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
+    setup_java_home
+    ;;
+esac
+
+resolve_m2_home
+
+if [ -z "$JAVA_HOME" ]; then
+  if [ -r /etc/gentoo-release ]; then
+    JAVA_HOME=$(java-config --jre-home)
+  fi
 fi
 
-WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+convert_paths_to_unix_format
+check_java_home
+set_java_command
+check_java_command_executable
+check_java_home_warning
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# Traverses directory structure from process work directory to filesystem root
+# The first directory with .mvn subdirectory is considered the 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
+
+    if [ -d "${wdir}" ]; then
+      wdir=$(cd "$wdir/.." && pwd)
+    fi
+  done
+  echo "$basedir"
+}
+
+# Executes the complex functions
+complex_function1
+complex_function2
 
+# Execute Maven
 exec "$JAVACMD" \
-  $MAVEN_OPTS \
-  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
-  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
-  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
+  -classpath "$(concatenate_lines "$M2_HOME/bin/m2.conf")" \
+  "-Dclassworlds.conf=$(concatenate_lines "$M2_HOME/bin/m2.conf")" \
+  "-Dmaven.home=$M2_HOME" \
+  "-Dlibrary.jansi.path=$(concatenate_lines "$M2_HOME/lib/jansi-native")" \
+  "-Dmaven.multiModuleProjectDirectory=$(find_maven_basedir "$(pwd)")" \
+  ${MAVEN_OPTS:+"$MAVEN_OPTS"} \
+  $CLASSWORLDS_LAUNCHER \
+  "$@"

From 8a926ce544c11959553a6235a1600971d90d4f22 Mon Sep 17 00:00:00 2001
From: bryanspacex <bryansamjames@gmail.com>
Date: Thu, 22 Jun 2023 23:39:54 +0530
Subject: [PATCH 2/2] added 3  new functions

---
 mvnw | 354 +++++++++++++++++++++++++++--------------------------------
 1 file changed, 162 insertions(+), 192 deletions(-)

diff --git a/mvnw b/mvnw
index 16499fee27..c4a75c8a6d 100755
--- a/mvnw
+++ b/mvnw
@@ -1,212 +1,186 @@
-#!/bin/sh
+#!/bin/bash
 
-print_header() {
-  SCRIPT_NAME=$(basename "$0")
-  USER_NAME=$(whoami)
-  CURRENT_DATE=$(date +"%Y-%m-%d %H:%M:%S")
-  echo "-------------------------------------------------------------"
-  echo "Script Name: $SCRIPT_NAME"
-  echo "User: $USER_NAME"
-  echo "Date: $CURRENT_DATE"
-  echo "Java Home: $JAVA_HOME"
-  echo "Maven Home: $M2_HOME"
-  echo "-------------------------------------------------------------"
-  echo ""
-}
-
-initialize_variables() {
-  # Initialize any required variables here
-  # Example:
-  # VARIABLE_NAME="value"
-}
-
-load_rc_files() {
-  if [ -z "$MAVEN_SKIP_RC" ]; then
-    if [ -f /etc/mavenrc ]; then
-      . /etc/mavenrc
-    fi
+# Function to validate the Java version
+validate_java_version() {
+  required_version="11"
 
-    if [ -f "$HOME/.mavenrc" ]; then
-      . "$HOME/.mavenrc"
+  if [ -n "$JAVA_HOME" ] && [ -x "$JAVA_HOME/bin/java" ]; then
+    version=$("$JAVA_HOME/bin/java" -version 2>&1 | awk -F '"' '/version/ {print $2}')
+    if [[ "$version" < "$required_version" ]]; then
+      echo "Error: Java version $required_version or later is required."
+      exit 1
     fi
+  else
+    echo "Error: JAVA_HOME is not set or invalid."
+    exit 1
   fi
 }
 
-setup_java_home() {
-  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
+# Function to check if Maven Wrapper is configured
+check_maven_wrapper() {
+  if [ ! -f "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    echo "Error: Maven Wrapper is not configured for this project."
+    echo "Please run './mvnw wrapper:wrapper' to configure Maven Wrapper."
+    exit 1
   fi
 }
 
-resolve_m2_home() {
-  if [ -z "$M2_HOME" ]; then
-    PRG="$0"
+# Function to execute Maven
+execute_maven() {
+  WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
 
-    # Resolve links - $0 may be a link to Maven's home
-    # Need this for relative symlinks
-    while [ -h "$PRG" ]; do
-      ls_output=$(ls -ld "$PRG")
-      link=$(expr "$ls_output" : '.*-> \(.*\)$')
+  exec "$JAVACMD" \
+    $MAVEN_OPTS \
+    -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+    "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+    ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
+}
 
-      if expr "$link" : '/.*' > /dev/null; then
-        PRG="$link"
-      else
-        PRG="$(dirname "$PRG")/$link"
-      fi
-    done
+# Main execution
 
-    saveddir=$(pwd)
-    M2_HOME="$(dirname "$PRG")/.."
-    M2_HOME=$(cd "$M2_HOME" && pwd)
-    cd "$saveddir"
-  fi
-}
+# Validate Java version
+validate_java_version
 
-convert_paths_to_unix_format() {
-  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")
-    [ -n "$MAVEN_PROJECTBASEDIR" ] && MAVEN_PROJECTBASEDIR=$(cygpath --path --unix "$MAVEN_PROJECTBASEDIR")
+# Load Maven configuration files
+if [ -z "$MAVEN_SKIP_RC" ]; then
+  if [ -f /etc/mavenrc ]; then
+    . /etc/mavenrc
   fi
-}
 
-check_java_home() {
-  if [ -z "$JAVA_HOME" ]; then
-    javaExecutable="$(which javac)"
-    if [ -n "$javaExecutable" ] && ! [ "$(expr "$javaExecutable" : '\([^ ]*\)')" = "no" ]; then
-      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="$javaHome"
-        export JAVA_HOME
-      fi
-    fi
+  if [ -f "$HOME/.mavenrc" ]; then
+    . "$HOME/.mavenrc"
   fi
-}
+fi
 
-set_java_command() {
-  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"
+# Set OS-specific variables
+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="$(/usr/libexec/java_home)"
       else
-        JAVACMD="$JAVA_HOME/bin/java"
+        export JAVA_HOME="/Library/Java/Home"
       fi
-    else
-      JAVACMD="$(which java)"
     fi
-  fi
-}
-
-check_java_command_executable() {
-  if [ ! -x "$JAVACMD" ]; then
-    echo "Error: JAVA_HOME is not defined correctly." >&2
-    echo "We cannot execute $JAVACMD" >&2
-    exit 1
-  fi
-}
-
-check_java_home_warning() {
-  if [ -z "$JAVA_HOME" ]; then
-    echo "Warning: JAVA_HOME environment variable is not set."
-  fi
-}
+    ;;
+esac
 
-find_maven_basedir() {
-  if [ -z "$1" ]; then
-    echo "Path not specified to find_maven_basedir"
-    return 1
+# Set JAVA_HOME if not already set
+if [ -z "$JAVA_HOME" ]; then
+  if [ -r /etc/gentoo-release ]; then
+    JAVA_HOME=$(java-config --jre-home)
   fi
+fi
 
-  basedir="$1"
-  wdir="$1"
-  while [ "$wdir" != '/' ]; do
-    if [ -d "$wdir"/.mvn ]; then
-      basedir=$wdir
-      break
-    fi
-
-    if [ -d "${wdir}" ]; then
-      wdir=$(cd "$wdir/.." && pwd)
+# Set M2_HOME if not already set
+if [ -z "$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
-  echo "$basedir"
-}
 
-concatenate_lines() {
-  if [ -f "$1" ]; then
-    echo "$(tr -s '\n' ' ' < "$1")"
-  fi
-}
-
-complex_function1() {
-  # Implement complex functionality here
-  echo "Executing Complex Function 1..."
-  # Add your code here
-}
+  saveddir=$(pwd)
 
-complex_function2() {
-  # Implement complex functionality here
-  echo "Executing Complex Function 2..."
-  # Add your code here
-}
+  M2_HOME=$(dirname "$PRG")/..
 
-# Main execution starts here
+  # Make it fully qualified
+  M2_HOME=$(cd "$M2_HOME" && pwd)
 
-print_header
-initialize_variables
-load_rc_files
+  cd "$saveddir"
+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
-    setup_java_home
-    ;;
-esac
+# Convert paths to UNIX format for Cygwin
+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
 
-resolve_m2_home
+# Convert paths to UNIX format for Mingw
+if $mingw; then
+  [ -n "$M2_HOME" ] && M2_HOME="$(cd "$M2_HOME"; pwd)"
+  [ -n "$JAVA_HOME" ] && JAVA_HOME="$(cd "$JAVA_HOME"; pwd)"
+  # TODO: Handle CLASSPATH for Mingw
+fi
 
+# Validate JAVA_HOME
 if [ -z "$JAVA_HOME" ]; then
-  if [ -r /etc/gentoo-release ]; then
-    JAVA_HOME=$(java-config --jre-home)
+  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
 
-convert_paths_to_unix_format
-check_java_home
-set_java_command
-check_java_command_executable
-check_java_home_warning
+# Set JAVACMD if not already set
+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
 
-CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+# Validate JAVACMD
+if [ ! -x "$JAVACMD" ]; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "We cannot execute $JAVACMD" >&2
+  exit 1
+fi
 
-# Traverses directory structure from process work directory to filesystem root
-# The first directory with .mvn subdirectory is considered the project base directory
+# Display script information
+print_header() {
+  echo "---------------------------------------------------------"
+  echo " Maven Wrapper Script"
+  echo "---------------------------------------------------------"
+  echo " Script name: $0"
+  echo " User: $(whoami)"
+  echo " Date: $(date)"
+  echo " Java Home: $JAVA_HOME"
+  echo " Maven Home: $M2_HOME"
+  echo "---------------------------------------------------------"
+  echo ""
+}
+
+print_header
+
+# Check if Maven Wrapper is configured
+check_maven_wrapper
+
+# Find Maven base directory
 find_maven_basedir() {
   if [ -z "$1" ]; then
     echo "Path not specified to find_maven_basedir"
@@ -214,31 +188,27 @@ find_maven_basedir() {
   fi
 
   basedir="$1"
-  wdir="$1"
-  while [ "$wdir" != '/' ]; do
-    if [ -d "$wdir"/.mvn ]; then
-      basedir=$wdir
-      break
-    fi
+  basedir=$(cd "$basedir" && pwd)
 
-    if [ -d "${wdir}" ]; then
-      wdir=$(cd "$wdir/.." && pwd)
+  while [ "$basedir" != "/" ]; do
+    if [ -f "$basedir/mvnw" ] || [ -f "$basedir/mvnw.cmd" ] || [ -f "$basedir/.mvn/wrapper/maven-wrapper.jar" ]; then
+      echo "$basedir"
+      return 0
     fi
+
+    basedir=$(dirname "$basedir")
   done
-  echo "$basedir"
+
+  echo "Maven base directory not found in '$1' or its ancestors"
+  return 1
 }
 
-# Executes the complex functions
-complex_function1
-complex_function2
+# Find Maven base directory for current working directory
+MAVEN_PROJECTBASEDIR=$(find_maven_basedir "$PWD")
+if [ $? -ne 0 ]; then
+  echo "$MAVEN_PROJECTBASEDIR"
+  exit 1
+fi
 
 # Execute Maven
-exec "$JAVACMD" \
-  -classpath "$(concatenate_lines "$M2_HOME/bin/m2.conf")" \
-  "-Dclassworlds.conf=$(concatenate_lines "$M2_HOME/bin/m2.conf")" \
-  "-Dmaven.home=$M2_HOME" \
-  "-Dlibrary.jansi.path=$(concatenate_lines "$M2_HOME/lib/jansi-native")" \
-  "-Dmaven.multiModuleProjectDirectory=$(find_maven_basedir "$(pwd)")" \
-  ${MAVEN_OPTS:+"$MAVEN_OPTS"} \
-  $CLASSWORLDS_LAUNCHER \
-  "$@"
+execute_maven "$@"