set -euf

[ "${MVNW_VERBOSE-}" != debug ] || set -x

native_path() { printf %s\\n "$1"; }

case "$(uname)" in

CYGWIN* | MINGW*)

[ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"

native_path() { cygpath --path --windows "$1"; }

;;

set_java_home() {

}

hash_string() {

}

verbose() { :; }

[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }

die() {

printf %s\\n "$1" >&2

exit 1

}

trim() {

}

scriptDir="$(dirname "$0")"

scriptName="$(basename "$0")"

while IFS="=" read -r key value; do

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

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/ ;;

[ -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 "$@"

case "${distributionUrl-}" in

*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;

*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;

if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then

clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }

trap clean HUP INT TERM EXIT

die "cannot create temp dir"

mkdir -p -- "${MAVEN_HOME%/*}"

verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."

verbose "Downloading from: $distributionUrl"

verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"

if ! command -v unzip >/dev/null; then

distributionUrl="${distributionUrl%.zip}.tar.gz"

distributionUrlName="${distributionUrl##*/}"

__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

case "${MVNW_PASSWORD:+has-password}" in

'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;

has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;

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

# 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")"

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 "$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 'distributionSha256Sum' from your maven-wrapper.properties." >&2

exit 1

fi

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

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"

tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"

actualDistributionDir=""

if [ -d "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" ]; then

if [ -f "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/bin/$MVN_CMD" ]; then

actualDistributionDir="$distributionUrlNameMain"

fi

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

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"

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 "$@"