<# : batch portion

@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)

@SET __MVNW_CMD__=

@SET __MVNW_ERROR__=

@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%

@SET PSModulePath=

@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @(

IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B)

)

@SET PSModulePath=%__MVNW_PSMODULEP_SAVE%

@SET __MVNW_PSMODULEP_SAVE=

@SET __MVNW_ARG0_NAME__=

@SET MVNW_USERNAME=

@SET MVNW_PASSWORD=

@IF NOT "%__MVNW_CMD__%"=="" ("%__MVNW_CMD__%" %*)

@echo Cannot start maven from wrapper >&2 && exit /b 1

@GOTO :EOF

$ErrorActionPreference = "Stop"

if ($env:MVNW_VERBOSE -eq "true") {

$VerbosePreference = "Continue"

}

# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties

$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl

if (!$distributionUrl) {

Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"

}

switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) {

"maven-mvnd-*" {

$USE_MVND = $true

$distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip"

$MVN_CMD = "mvnd.cmd"

break

}

default {

$USE_MVND = $false

$MVN_CMD = $script -replace '^mvnw','mvn'

break

}

}

# apply MVNW_REPOURL and calculate MAVEN_HOME

# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>

if ($env:MVNW_REPOURL) {

$MVNW_REPO_PATTERN = if ($USE_MVND -eq $False) { "/org/apache/maven/" } else { "/maven/mvnd/" }

$distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace "^.*$MVNW_REPO_PATTERN",'')"

}

$distributionUrlName = $distributionUrl -replace '^.*/',''

$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$',''

$MAVEN_M2_PATH = "$HOME/.m2"

if ($env:MAVEN_USER_HOME) {

$MAVEN_M2_PATH = "$env:MAVEN_USER_HOME"

}

if (-not (Test-Path -Path $MAVEN_M2_PATH)) {

New-Item -Path $MAVEN_M2_PATH -ItemType Directory | Out-Null

}

$MAVEN_WRAPPER_DISTS = $null

if ((Get-Item $MAVEN_M2_PATH).Target[0] -eq $null) {

$MAVEN_WRAPPER_DISTS = "$MAVEN_M2_PATH/wrapper/dists"

} else {

$MAVEN_WRAPPER_DISTS = (Get-Item $MAVEN_M2_PATH).Target[0] + "/wrapper/dists"

}

$MAVEN_HOME_PARENT = "$MAVEN_WRAPPER_DISTS/$distributionUrlNameMain"

$MAVEN_HOME_NAME = ([System.Security.Cryptography.SHA256]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join ''

$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME"

if (Test-Path -Path "$MAVEN_HOME" -PathType Container) {

Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME"

Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"

exit $?

}

if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) {

Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl"

}

# prepare tmp dir

$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile

$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir"

$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null

trap {

if ($TMP_DOWNLOAD_DIR.Exists) {

try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }

catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }

}

}

New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null

# Download and Install Apache Maven

Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."

Write-Verbose "Downloading from: $distributionUrl"

Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"

$webclient = New-Object System.Net.WebClient

if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) {

$webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD)

}

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null

# If specified, validate the SHA-256 sum of the Maven distribution zip file

$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum

if ($distributionSha256Sum) {

if ($USE_MVND) {

Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties."

}

Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash

if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) {

Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property."

}

}

# unzip and move

Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null

# Find the actual extracted directory name (handles snapshots where filename != directory name)

$actualDistributionDir = ""

# First try the expected directory name (for regular distributions)

$expectedPath = Join-Path "$TMP_DOWNLOAD_DIR" "$distributionUrlNameMain"

$expectedMvnPath = Join-Path "$expectedPath" "bin/$MVN_CMD"

if ((Test-Path -Path $expectedPath -PathType Container) -and (Test-Path -Path $expectedMvnPath -PathType Leaf)) {

$actualDistributionDir = $distributionUrlNameMain

}

# If not found, search for any directory with the Maven executable (for snapshots)

if (!$actualDistributionDir) {

Get-ChildItem -Path "$TMP_DOWNLOAD_DIR" -Directory | ForEach-Object {

$testPath = Join-Path $_.FullName "bin/$MVN_CMD"

if (Test-Path -Path $testPath -PathType Leaf) {

$actualDistributionDir = $_.Name

}

}

}

if (!$actualDistributionDir) {

Write-Error "Could not find Maven distribution directory in extracted archive"

}

Write-Verbose "Found extracted Maven distribution directory: $actualDistributionDir"

Rename-Item -Path "$TMP_DOWNLOAD_DIR/$actualDistributionDir" -NewName $MAVEN_HOME_NAME | Out-Null

try {

Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null

} catch {

if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) {

Write-Error "fail to move MAVEN_HOME"

}

} finally {

try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }

catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }

}

Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"