feat: add Gradle Wrapper Neo scripts for cross-platform build support
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#
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# Copyright 2015 the original author or authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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##############################################################################
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#
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# Gradle Wrapper Neo startup script for Windows.
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#
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# This file is maintained by the Gradle Wrapper Neo project. It compiles
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# gradle/wrapper/GradleWrapperNeo.java on demand and launches the Wrapper
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# without storing a Wrapper JAR in the project.
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#
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# Documentation and updates: https://github.com/Glavo/gradle-wrapper-neo
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#
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##############################################################################
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Set-StrictMode -Version 2.0
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$ErrorActionPreference = 'Stop'
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$script:WrapperExitCode = 1
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$script:AppBaseName = [IO.Path]::GetFileNameWithoutExtension($MyInvocation.MyCommand.Name)
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$script:LauncherHome = [IO.Path]::GetFullPath($PSScriptRoot)
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function ConvertFrom-WindowsCommandLine {
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param([string] $CommandLine)
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if ($null -eq ('GradleWrapperNeo.NativeCommandLine' -as [type])) {
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Add-Type -TypeDefinition @"
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using System;
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using System.Runtime.InteropServices;
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namespace GradleWrapperNeo {
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public static class NativeCommandLine {
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[DllImport("shell32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
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public static extern IntPtr CommandLineToArgvW(string commandLine, out int argumentCount);
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[DllImport("kernel32.dll")]
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public static extern IntPtr LocalFree(IntPtr memory);
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}
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}
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"@
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}
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$nativeCommandLine = 'gradlew.exe ' + $CommandLine
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$argumentCount = 0
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$argumentVector = [GradleWrapperNeo.NativeCommandLine]::CommandLineToArgvW(
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$nativeCommandLine,
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[ref] $argumentCount
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)
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if ($argumentVector -eq [IntPtr]::Zero) {
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throw [ComponentModel.Win32Exception]::new([Runtime.InteropServices.Marshal]::GetLastWin32Error())
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}
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try {
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$result = New-Object 'System.Collections.Generic.List[string]'
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for ($index = 1; $index -lt $argumentCount; $index++) {
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$argumentPointer = [Runtime.InteropServices.Marshal]::ReadIntPtr(
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$argumentVector,
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$index * [IntPtr]::Size
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)
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[void] $result.Add([Runtime.InteropServices.Marshal]::PtrToStringUni($argumentPointer))
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}
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return $result.ToArray()
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} finally {
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[void] [GradleWrapperNeo.NativeCommandLine]::LocalFree($argumentVector)
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}
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}
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function Split-ArgumentString {
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param([string] $Value)
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if ($null -eq $Value) {
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return @()
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}
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$result = New-Object 'System.Collections.Generic.List[string]'
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$currentOption = New-Object Text.StringBuilder
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[char] $currentQuote = [char] 0
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$insideQuote = $false
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$hasOption = $false
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for ($index = 0; $index -lt $Value.Length; $index++) {
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[char] $character = $Value[$index]
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if ((-not $insideQuote) -and [char]::IsWhiteSpace($character)) {
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if ($hasOption) {
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[void] $result.Add($currentOption.ToString())
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[void] $currentOption.Clear()
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$hasOption = $false
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}
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} elseif ((-not $insideQuote) -and (($character -eq [char] 34) -or ($character -eq [char] 39))) {
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$currentQuote = $character
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$insideQuote = $true
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$hasOption = $true
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} elseif ($insideQuote -and ($character -eq $currentQuote)) {
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$insideQuote = $false
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} else {
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[void] $currentOption.Append($character)
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$hasOption = $true
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}
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}
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if ($hasOption) {
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[void] $result.Add($currentOption.ToString())
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}
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return $result.ToArray()
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}
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function Resolve-JavaExecutable {
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if (-not [string]::IsNullOrWhiteSpace($env:JAVA_HOME)) {
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$javaHome = $env:JAVA_HOME.Trim([char] 34)
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$javaExecutable = Join-Path $javaHome 'bin\java.exe'
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if (-not (Test-Path -LiteralPath $javaExecutable -PathType Leaf)) {
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throw "JAVA_HOME is set to an invalid directory: $javaHome"
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}
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return [IO.Path]::GetFullPath($javaExecutable)
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}
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$javaCommand = Get-Command -Name 'java.exe' -CommandType Application -ErrorAction SilentlyContinue |
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Select-Object -First 1
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if ($null -eq $javaCommand) {
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throw "JAVA_HOME is not set and no 'java' command could be found in PATH."
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}
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return $javaCommand.Path
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}
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function Resolve-JavacExecutable {
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if (-not [string]::IsNullOrWhiteSpace($env:JAVA_HOME)) {
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$javaHome = $env:JAVA_HOME.Trim([char] 34)
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$javacExecutable = Join-Path $javaHome 'bin\javac.exe'
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if (Test-Path -LiteralPath $javacExecutable -PathType Leaf) {
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return [IO.Path]::GetFullPath($javacExecutable)
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}
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} else {
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$javacCommand = Get-Command -Name 'javac.exe' -CommandType Application -ErrorAction SilentlyContinue |
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Select-Object -First 1
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if ($null -ne $javacCommand) {
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return $javacCommand.Path
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}
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}
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throw 'GradleWrapperNeo.java exists, but javac could not be found. Run this wrapper with a JDK so the source can be compiled.'
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}
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function Find-AppHome {
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param(
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[string] $LauncherHome,
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[string] $WorkingDirectory
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)
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$launcherProperties = Join-Path $LauncherHome 'gradle\wrapper\gradle-wrapper.properties'
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if (Test-Path -LiteralPath $launcherProperties -PathType Leaf) {
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return $LauncherHome
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}
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$searchDirectory = Get-Item -LiteralPath $WorkingDirectory
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$searchStart = $searchDirectory.FullName
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while ($null -ne $searchDirectory) {
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$propertiesFile = Join-Path $searchDirectory.FullName 'gradle\wrapper\gradle-wrapper.properties'
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if (Test-Path -LiteralPath $propertiesFile -PathType Leaf) {
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return $searchDirectory.FullName
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}
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$searchDirectory = $searchDirectory.Parent
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}
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throw "Could not find gradle/wrapper/gradle-wrapper.properties searching from '$searchStart'."
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}
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function ConvertTo-JavaPath {
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param([string] $Path)
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return $Path.Replace('\', '/')
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}
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function ConvertTo-WindowsCommandLineArgument {
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param([AllowEmptyString()][string] $Argument)
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if (($Argument.Length -gt 0) -and ($Argument -notmatch '[\s"]')) {
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return $Argument
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}
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$result = New-Object Text.StringBuilder
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[void] $result.Append([char] 34)
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$backslashCount = 0
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for ($index = 0; $index -lt $Argument.Length; $index++) {
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[char] $character = $Argument[$index]
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if ($character -eq [char] 92) {
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$backslashCount++
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continue
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}
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if ($character -eq [char] 34) {
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[void] $result.Append(([string] [char] 92) * (($backslashCount * 2) + 1))
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} elseif ($backslashCount -gt 0) {
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[void] $result.Append(([string] [char] 92) * $backslashCount)
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}
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$backslashCount = 0
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[void] $result.Append($character)
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}
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if ($backslashCount -gt 0) {
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[void] $result.Append(([string] [char] 92) * ($backslashCount * 2))
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}
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[void] $result.Append([char] 34)
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return $result.ToString()
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}
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function Invoke-NativeApplication {
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param(
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[string] $Executable,
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[string[]] $Arguments,
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[string] $WorkingDirectory
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)
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$quotedArguments = New-Object 'System.Collections.Generic.List[string]'
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foreach ($argument in $Arguments) {
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[void] $quotedArguments.Add((ConvertTo-WindowsCommandLineArgument -Argument $argument))
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}
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$startInfo = New-Object Diagnostics.ProcessStartInfo
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$startInfo.FileName = $Executable
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$startInfo.Arguments = [string]::Join(' ', $quotedArguments.ToArray())
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$startInfo.WorkingDirectory = $WorkingDirectory
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$startInfo.UseShellExecute = $false
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$process = New-Object Diagnostics.Process
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$process.StartInfo = $startInfo
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try {
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if (-not $process.Start()) {
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throw "Could not start '$Executable'."
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}
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$process.WaitForExit()
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return $process.ExitCode
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} finally {
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$process.Dispose()
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}
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}
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function Compile-WrapperSource {
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param(
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[string] $SourceFile,
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[string] $ClassesDirectory,
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[string] $BootstrapDirectory
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)
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$javacExecutable = Resolve-JavacExecutable
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[void] [IO.Directory]::CreateDirectory($ClassesDirectory)
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$versionOutput = & $javacExecutable -version 2>&1
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$versionExitCode = $LASTEXITCODE
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if ($versionExitCode -ne 0) {
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Remove-Item -LiteralPath $BootstrapDirectory -Recurse -Force -ErrorAction SilentlyContinue
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throw "Could not run javac at '$javacExecutable'."
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}
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$versionText = ($versionOutput | Out-String).Trim()
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if ($versionText.StartsWith('javac 1.')) {
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[string[]] $targetArguments = @('-source', '8', '-target', '8')
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} else {
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[string[]] $targetArguments = @('--release', '8')
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}
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[string[]] $compileArguments = @(
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$targetArguments
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'-Xlint:-options'
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'-encoding'
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'UTF-8'
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'-d'
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$ClassesDirectory
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$SourceFile
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)
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& $javacExecutable @compileArguments
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$compileExitCode = $LASTEXITCODE
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if ($compileExitCode -ne 0) {
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Remove-Item -LiteralPath $BootstrapDirectory -Recurse -Force -ErrorAction SilentlyContinue
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throw "Could not compile '$SourceFile'."
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}
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}
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function Invoke-GradleWrapper {
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param([string[]] $GradleArguments)
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$currentLocation = Get-Location
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if ($currentLocation.Provider.Name -ne 'FileSystem') {
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throw "The current location is not a file system directory: $currentLocation"
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}
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$workingDirectory = $currentLocation.ProviderPath
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$appHome = Find-AppHome -LauncherHome $script:LauncherHome -WorkingDirectory $workingDirectory
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$launcherWrapperDirectory = Join-Path $script:LauncherHome 'gradle\wrapper'
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$projectSource = Join-Path $appHome 'gradle\wrapper\GradleWrapperNeo.java'
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if (Test-Path -LiteralPath $projectSource -PathType Leaf) {
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$sourceFile = $projectSource
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} else {
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$sourceFile = Join-Path $launcherWrapperDirectory 'GradleWrapperNeo.java'
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}
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if (-not (Test-Path -LiteralPath $sourceFile -PathType Leaf)) {
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throw "Wrapper source file '$sourceFile' was not found."
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}
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$workDirectory = Join-Path $appHome '.gradle\wrapper-neo'
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$jarFile = Join-Path $workDirectory 'gradle-wrapper-neo.jar'
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$bootstrapDirectory = Join-Path (Join-Path $workDirectory 'bootstrap') ([Guid]::NewGuid().ToString('N'))
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$classesDirectory = Join-Path $bootstrapDirectory 'classes'
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$javaExecutable = Resolve-JavaExecutable
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[string[]] $jvmArguments = @('-Xmx64m', '-Xms64m')
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foreach ($optionSource in @($env:JAVA_OPTS, $env:GRADLE_OPTS)) {
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foreach ($option in @(Split-ArgumentString -Value $optionSource)) {
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$jvmArguments += $option
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}
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}
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$javaAppHome = ConvertTo-JavaPath -Path $appHome
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$javaSourceFile = ConvertTo-JavaPath -Path $sourceFile
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$javaJarFile = ConvertTo-JavaPath -Path $jarFile
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$javaClassesDirectory = ConvertTo-JavaPath -Path $classesDirectory
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[string[]] $javaArguments = @(
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$jvmArguments
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"-Dorg.gradle.appname=$script:AppBaseName"
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"-Dorg.gradle.wrapper.neo.app-home=$javaAppHome"
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"-Dorg.gradle.wrapper.neo.source-file=$javaSourceFile"
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"-Dorg.gradle.wrapper.neo.jar-file=$javaJarFile"
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)
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$cachedJar = Get-Item -LiteralPath $jarFile -ErrorAction SilentlyContinue
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if (($null -ne $cachedJar) -and ($cachedJar.Length -eq 0)) {
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Remove-Item -LiteralPath $jarFile -Force -ErrorAction SilentlyContinue
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}
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if (Test-Path -LiteralPath $jarFile -PathType Leaf) {
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$javaArguments += @('-jar', $javaJarFile)
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} else {
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Compile-WrapperSource -SourceFile $sourceFile -ClassesDirectory $classesDirectory -BootstrapDirectory $bootstrapDirectory
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$javaArguments += @(
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'-Dgradle.wrapper.neo.bootstrap=true'
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'-cp'
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$javaClassesDirectory
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'GradleWrapperNeo'
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)
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}
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$javaArguments += $GradleArguments
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$script:WrapperExitCode = Invoke-NativeApplication `
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-Executable $javaExecutable `
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-Arguments $javaArguments `
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-WorkingDirectory $workingDirectory
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}
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try {
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if ($env:GRADLE_WRAPPER_NEO_BATCH_LAUNCH -eq '1') {
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$rawArguments = $env:GRADLE_WRAPPER_NEO_BATCH_ARGUMENTS
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Remove-Item Env:GRADLE_WRAPPER_NEO_BATCH_LAUNCH -ErrorAction SilentlyContinue
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Remove-Item Env:GRADLE_WRAPPER_NEO_BATCH_ARGUMENTS -ErrorAction SilentlyContinue
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[string[]] $gradleArguments = @(ConvertFrom-WindowsCommandLine -CommandLine $rawArguments)
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} else {
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[string[]] $gradleArguments = @($args)
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}
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Invoke-GradleWrapper -GradleArguments $gradleArguments
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exit $script:WrapperExitCode
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} catch {
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[Console]::Error.WriteLine()
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[Console]::Error.WriteLine('ERROR: ' + $_.Exception.Message)
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[Console]::Error.WriteLine()
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exit 1
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}
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