build: update maven-wrapper to 3.3.3

2025-09-02 13:27:29 +02:00
parent 41eeae6687
commit e96ece3385
3 changed files with 382 additions and 436 deletions
--- a/493
+++ b/493
@@ -19,314 +19,277 @@
 # ----------------------------------------------------------------------------

 # ----------------------------------------------------------------------------
-# Apache Maven Wrapper startup batch script, version 3.3.2
-#
-# Required ENV vars:
-# ------------------
-#   JAVA_HOME - location of a JDK home dir
+# Apache Maven Wrapper startup batch script, version 3.3.3
 #
 # Optional ENV vars
 # -----------------
-#   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
+#   JAVA_HOME - location of a JDK home dir, required when download maven via java source
+#   MVNW_REPOURL - repo url base for downloading maven distribution
+#   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+#   MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
 # ----------------------------------------------------------------------------

-if [ -z "$MAVEN_SKIP_RC" ]; then
+set -euf
+[ "${MVNW_VERBOSE-}" != debug ] || set -x

-  if [ -f /usr/local/etc/mavenrc ]; then
-    . /usr/local/etc/mavenrc
-  fi
-
-  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
+# OS specific support.
+native_path() { printf %s\\n "$1"; }
 case "$(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 "$JAVA_HOME" ]; then
-    if [ -x "/usr/libexec/java_home" ]; then
-      JAVA_HOME="$(/usr/libexec/java_home)"
-      export JAVA_HOME
-    else
-      JAVA_HOME="/Library/Java/Home"
-      export JAVA_HOME
-    fi
-  fi
+CYGWIN* | MINGW*)
+  [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
+  native_path() { cygpath --path --windows "$1"; }
  ;;
 esac

-if [ -z "$JAVA_HOME" ]; then
-  if [ -r /etc/gentoo-release ]; then
-    JAVA_HOME=$(java-config --jre-home)
-  fi
-fi
-
-# For Cygwin, ensure paths are in UNIX format before anything is touched
-if $cygwin; then
-  [ -n "$JAVA_HOME" ] \
-    && JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
-  [ -n "$CLASSPATH" ] \
-    && CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
-fi
-
-# For Mingw, ensure paths are in UNIX format before anything is touched
-if $mingw; then
-  [ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] \
-    && JAVA_HOME="$(
-      cd "$JAVA_HOME" || (
-        echo "cannot cd into $JAVA_HOME." >&2
-        exit 1
-      )
-      pwd
-    )"
-fi
-
-if [ -z "$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 "$JAVA_HOME" ]; then
+# set JAVACMD and JAVACCMD
+set_java_home() {
+  # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
+  if [ -n "${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"
+      JAVACCMD="$JAVA_HOME/jre/sh/javac"
    else
      JAVACMD="$JAVA_HOME/bin/java"
+      JAVACCMD="$JAVA_HOME/bin/javac"
+
+      if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
+        echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
+        echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
+        return 1
+      fi
    fi
  else
    JAVACMD="$(
-      \unset -f command 2>/dev/null
-      \command -v java
-    )"
-  fi
-fi
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v java
+    )" || :
+    JAVACCMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v javac
+    )" || :

-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." >&2
-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
-    echo "Path not specified to find_maven_basedir" >&2
-    return 1
-  fi
-
-  basedir="$1"
-  wdir="$1"
-  while [ "$wdir" != '/' ]; do
-    if [ -d "$wdir"/.mvn ]; then
-      basedir=$wdir
-      break
+    if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
+      echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
+      return 1
    fi
-    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
-    if [ -d "${wdir}" ]; then
-      wdir=$(
-        cd "$wdir/.." || exit 1
-        pwd
-      )
-    fi
-    # end of workaround
+  fi
+}
+
+# hash string like Java String::hashCode
+hash_string() {
+  str="${1:-}" h=0
+  while [ -n "$str" ]; do
+    char="${str%"${str#?}"}"
+    h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
+    str="${str#?}"
  done
-  printf '%s' "$(
-    cd "$basedir" || exit 1
-    pwd
-  )"
+  printf %x\\n $h
 }

-# concatenates all lines of a file
-concat_lines() {
-  if [ -f "$1" ]; then
-    # Remove \r in case we run on Windows within Git Bash
-    # and check out the repository with auto CRLF management
-    # enabled. Otherwise, we may read lines that are delimited with
-    # \r\n and produce $'-Xarg\r' rather than -Xarg due to word
-    # splitting rules.
-    tr -s '\r\n' ' ' <"$1"
-  fi
-}
+verbose() { :; }
+[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }

-log() {
-  if [ "$MVNW_VERBOSE" = true ]; then
-    printf '%s\n' "$1"
-  fi
-}
-
-BASE_DIR=$(find_maven_basedir "$(dirname "$0")")
-if [ -z "$BASE_DIR" ]; then
+die() {
+  printf %s\\n "$1" >&2
  exit 1
-fi
+}

-MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
-export MAVEN_PROJECTBASEDIR
-log "$MAVEN_PROJECTBASEDIR"
+trim() {
+  # MWRAPPER-139:
+  #   Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
+  #   Needed for removing poorly interpreted newline sequences when running in more
+  #   exotic environments such as mingw bash on Windows.
+  printf "%s" "${1}" | tr -d '[:space:]'
+}

-##########################################################################################
-# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
-# This allows using the maven wrapper in projects that prohibit checking in binary data.
-##########################################################################################
-wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar"
-if [ -r "$wrapperJarPath" ]; then
-  log "Found $wrapperJarPath"
-else
-  log "Couldn't find $wrapperJarPath, downloading it ..."
+scriptDir="$(dirname "$0")"
+scriptName="$(basename "$0")"

-  if [ -n "$MVNW_REPOURL" ]; then
-    wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.3.2/maven-wrapper-3.3.2.jar"
-  else
-    wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.3.2/maven-wrapper-3.3.2.jar"
-  fi
-  while IFS="=" read -r key value; do
-    # 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 '=' )
-    safeValue=$(echo "$value" | tr -d '\r')
-    case "$key" in wrapperUrl)
-      wrapperUrl="$safeValue"
-      break
-      ;;
-    esac
-  done <"$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
-  log "Downloading from: $wrapperUrl"
-
-  if $cygwin; then
-    wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
-  fi
-
-  if command -v wget >/dev/null; then
-    log "Found wget ... using wget"
-    [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet"
-    if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
-      wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
-    else
-      wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
-    fi
-  elif command -v curl >/dev/null; then
-    log "Found curl ... using curl"
-    [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent"
-    if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
-      curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
-    else
-      curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
-    fi
-  else
-    log "Falling back to using Java to download"
-    javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java"
-    javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class"
-    # For Cygwin, switch paths to Windows format before running javac
-    if $cygwin; then
-      javaSource=$(cygpath --path --windows "$javaSource")
-      javaClass=$(cygpath --path --windows "$javaClass")
-    fi
-    if [ -e "$javaSource" ]; then
-      if [ ! -e "$javaClass" ]; then
-        log " - Compiling MavenWrapperDownloader.java ..."
-        ("$JAVA_HOME/bin/javac" "$javaSource")
-      fi
-      if [ -e "$javaClass" ]; then
-        log " - Running MavenWrapperDownloader.java ..."
-        ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath"
-      fi
-    fi
-  fi
-fi
-##########################################################################################
-# End of extension
-##########################################################################################
-
-# If specified, validate the SHA-256 sum of the Maven wrapper jar file
-wrapperSha256Sum=""
+# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
 while IFS="=" read -r key value; do
-  case "$key" in wrapperSha256Sum)
-    wrapperSha256Sum=$value
-    break
+  case "${key-}" in
+  distributionUrl) distributionUrl=$(trim "${value-}") ;;
+  distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
+  esac
+done <"$scriptDir/.mvn/wrapper/maven-wrapper.properties"
+[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
+
+case "${distributionUrl##*/}" in
+maven-mvnd-*bin.*)
+  MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
+  case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
+  *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
+  :Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
+  :Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
+  :Linux*x86_64*) distributionPlatform=linux-amd64 ;;
+  *)
+    echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
+    distributionPlatform=linux-amd64
    ;;
  esac
-done <"$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
-if [ -n "$wrapperSha256Sum" ]; then
-  wrapperSha256Result=false
-  if command -v sha256sum >/dev/null; then
-    if echo "$wrapperSha256Sum  $wrapperJarPath" | sha256sum -c >/dev/null 2>&1; then
-      wrapperSha256Result=true
+  distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
+  ;;
+maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
+*) MVN_CMD="mvn${scriptName#mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
+esac
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
+distributionUrlName="${distributionUrl##*/}"
+distributionUrlNameMain="${distributionUrlName%.*}"
+distributionUrlNameMain="${distributionUrlNameMain%-bin}"
+MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
+MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
+
+exec_maven() {
+  unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
+  exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
+}
+
+if [ -d "$MAVEN_HOME" ]; then
+  verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  exec_maven "$@"
+fi
+
+case "${distributionUrl-}" in
+*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
+*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
+esac
+
+# prepare tmp dir
+if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
+  clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
+  trap clean HUP INT TERM EXIT
+else
+  die "cannot create temp dir"
+fi
+
+mkdir -p -- "${MAVEN_HOME%/*}"
+
+# Download and Install Apache Maven
+verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+verbose "Downloading from: $distributionUrl"
+verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+# select .zip or .tar.gz
+if ! command -v unzip >/dev/null; then
+  distributionUrl="${distributionUrl%.zip}.tar.gz"
+  distributionUrlName="${distributionUrl##*/}"
+fi
+
+# verbose opt
+__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
+[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
+
+# normalize http auth
+case "${MVNW_PASSWORD:+has-password}" in
+'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+esac
+
+if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
+  verbose "Found wget ... using wget"
+  wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
+elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
+  verbose "Found curl ... using curl"
+  curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
+elif set_java_home; then
+  verbose "Falling back to use Java to download"
+  javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
+  targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
+  cat >"$javaSource" <<-END
+	public class Downloader extends java.net.Authenticator
+	{
+	  protected java.net.PasswordAuthentication getPasswordAuthentication()
+	  {
+	    return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
+	  }
+	  public static void main( String[] args ) throws Exception
+	  {
+	    setDefault( new Downloader() );
+	    java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
+	  }
+	}
+	END
+  # For Cygwin/MinGW, switch paths to Windows format before running javac and java
+  verbose " - Compiling Downloader.java ..."
+  "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
+  verbose " - Running Downloader.java ..."
+  "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
+fi
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+if [ -n "${distributionSha256Sum-}" ]; then
+  distributionSha256Result=false
+  if [ "$MVN_CMD" = mvnd.sh ]; then
+    echo "Checksum validation is not supported for maven-mvnd." >&2
+    echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  elif command -v sha256sum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c - >/dev/null 2>&1; then
+      distributionSha256Result=true
    fi
  elif command -v shasum >/dev/null; then
-    if echo "$wrapperSha256Sum  $wrapperJarPath" | shasum -a 256 -c >/dev/null 2>&1; then
-      wrapperSha256Result=true
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
+      distributionSha256Result=true
    fi
  else
    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
-    echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties." >&2
+    echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
    exit 1
  fi
-  if [ $wrapperSha256Result = false ]; then
-    echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2
-    echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2
-    echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2
+  if [ $distributionSha256Result = false ]; then
+    echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
+    echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
    exit 1
  fi
 fi

-MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
-
-# For Cygwin, switch paths to Windows format before running java
-if $cygwin; then
-  [ -n "$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")
+# unzip and move
+if command -v unzip >/dev/null; then
+  unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
+else
+  tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
 fi

-# Provide a "standardized" way to retrieve the CLI args that will
-# work with both Windows and non-Windows executions.
-MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*"
-export MAVEN_CMD_LINE_ARGS
+# Find the actual extracted directory name (handles snapshots where filename != directory name)
+actualDistributionDir=""

-WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+# First try the expected directory name (for regular distributions)
+if [ -d "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" ]; then
+  if [ -f "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/bin/$MVN_CMD" ]; then
+    actualDistributionDir="$distributionUrlNameMain"
+  fi
+fi

-# shellcheck disable=SC2086 # safe args
-exec "$JAVACMD" \
-  $MAVEN_OPTS \
-  $MAVEN_DEBUG_OPTS \
-  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
-  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
-  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
+# If not found, search for any directory with the Maven executable (for snapshots)
+if [ -z "$actualDistributionDir" ]; then
+  # enable globbing to iterate over items
+  set +f
+  for dir in "$TMP_DOWNLOAD_DIR"/*; do
+    if [ -d "$dir" ]; then
+      if [ -f "$dir/bin/$MVN_CMD" ]; then
+        actualDistributionDir="$(basename "$dir")"
+        break
+      fi
+    fi
+  done
+  set -f
+fi
+
+if [ -z "$actualDistributionDir" ]; then
+  verbose "Contents of $TMP_DOWNLOAD_DIR:"
+  verbose "$(ls -la "$TMP_DOWNLOAD_DIR")"
+  die "Could not find Maven distribution directory in extracted archive"
+fi
+
+verbose "Found extracted Maven distribution directory: $actualDistributionDir"
+printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$actualDistributionDir/mvnw.url"
+mv -- "$TMP_DOWNLOAD_DIR/$actualDistributionDir" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
+
+clean || :
+exec_maven "$@"