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amper.bat
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amper.bat
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@echo off
@rem
@rem Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
@rem
@rem Possible environment variables:
@rem AMPER_DOWNLOAD_ROOT Maven repository to download Amper dist from
@rem default: https://packages.jetbrains.team/maven/p/amper/amper
@rem AMPER_JRE_DOWNLOAD_ROOT Url prefix to download Amper JRE from.
@rem default: https:/
@rem AMPER_BOOTSTRAP_CACHE_DIR Cache directory to store extracted JRE and Amper distribution
@rem AMPER_JAVA_HOME JRE to run Amper itself (optional, does not affect compilation)
@rem AMPER_JAVA_OPTIONS JVM options to pass to the JVM running Amper (does not affect the user's application)
setlocal
@rem The version of the Amper distribution to provision and use
set amper_version=0.5.0
@rem Establish chain of trust from here by specifying exact checksum of Amper distribution to be run
set amper_sha256=054f8a3a009d1f5bd749efff7fc97fb3c773d3ad6505120eb320ddb2ed17fb9b
if not defined AMPER_DOWNLOAD_ROOT set AMPER_DOWNLOAD_ROOT=https://packages.jetbrains.team/maven/p/amper/amper
if not defined AMPER_JRE_DOWNLOAD_ROOT set AMPER_JRE_DOWNLOAD_ROOT=https:/
if not defined AMPER_BOOTSTRAP_CACHE_DIR set AMPER_BOOTSTRAP_CACHE_DIR=%LOCALAPPDATA%\Amper
@rem remove trailing \ if present
if [%AMPER_BOOTSTRAP_CACHE_DIR:~-1%] EQU [\] set AMPER_BOOTSTRAP_CACHE_DIR=%AMPER_BOOTSTRAP_CACHE_DIR:~0,-1%
goto :after_function_declarations
REM ********** Download and extract any zip or .tar.gz archive **********
:download_and_extract
setlocal
set moniker=%~1
set url=%~2
set target_dir=%~3
set sha=%~4
set sha_size=%~5
set flag_file=%target_dir%\.flag
if exist "%flag_file%" (
set /p current_flag=<"%flag_file%"
if "%current_flag%" == "%sha%" exit /b
)
@rem This multiline string is actually passed as a single line to powershell, meaning #-comments are not possible.
@rem So here are a few comments about the code below:
@rem - we need to support both .zip and .tar.gz archives (for the Amper distribution and the JBR)
@rem - tar should be present in all Windows machines since 2018 (and usable from both cmd and powershell)
@rem - tar requires the destination dir to exist
@rem - DownloadFile requires the directories in the destination file's path to exist
set download_and_extract_ps1= ^
Set-StrictMode -Version 3.0; ^
$ErrorActionPreference = 'Stop'; ^
^
$createdNew = $false; ^
$lock = New-Object System.Threading.Mutex($true, ('Global\amper-bootstrap.' + '%target_dir%'.GetHashCode().ToString()), [ref]$createdNew); ^
if (-not $createdNew) { ^
Write-Host 'Another Amper instance is bootstrapping. Waiting for our turn...'; ^
[void]$lock.WaitOne(); ^
} ^
^
try { ^
if ((Get-Content '%flag_file%' -ErrorAction Ignore) -ne '%sha%') { ^
$temp_file = '%AMPER_BOOTSTRAP_CACHE_DIR%\' + [System.IO.Path]::GetRandomFileName(); ^
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; ^
Write-Host 'Downloading %moniker%... (only happens on the first run of this version)'; ^
[void](New-Item '%AMPER_BOOTSTRAP_CACHE_DIR%' -ItemType Directory -Force); ^
(New-Object Net.WebClient).DownloadFile('%url%', $temp_file); ^
^
$actualSha = (Get-FileHash -Algorithm SHA%sha_size% -Path $temp_file).Hash.ToString(); ^
if ($actualSha -ne '%sha%') { ^
throw ('Checksum mismatch for ' + $temp_file + ' (downloaded from %url%): expected checksum %sha% but got ' + $actualSha); ^
} ^
^
if (Test-Path '%target_dir%') { ^
Remove-Item '%target_dir%' -Recurse; ^
} ^
if ($temp_file -like '*.zip') { ^
Add-Type -A 'System.IO.Compression.FileSystem'; ^
[IO.Compression.ZipFile]::ExtractToDirectory($temp_file, '%target_dir%'); ^
} else { ^
[void](New-Item '%target_dir%' -ItemType Directory -Force); ^
tar -xzf $temp_file -C '%target_dir%'; ^
} ^
Remove-Item $temp_file; ^
^
Set-Content '%flag_file%' -Value '%sha%'; ^
Write-Host 'Download complete.'; ^
Write-Host ''; ^
} ^
} ^
finally { ^
$lock.ReleaseMutex(); ^
}
set powershell=%SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe
"%powershell%" -NonInteractive -NoProfile -NoLogo -Command %download_and_extract_ps1%
if errorlevel 1 exit /b 1
exit /b 0
:fail
echo ERROR: Amper bootstrap failed, see errors above
exit /b 1
:after_function_declarations
REM ********** Provision Amper distribution **********
set amper_url=%AMPER_DOWNLOAD_ROOT%/org/jetbrains/amper/cli/%amper_version%/cli-%amper_version%-dist.tgz
set amper_target_dir=%AMPER_BOOTSTRAP_CACHE_DIR%\amper-cli-%amper_version%
call :download_and_extract "Amper distribution v%amper_version%" "%amper_url%" "%amper_target_dir%" "%amper_sha256%" "256"
if errorlevel 1 goto fail
REM ********** Provision JRE for Amper **********
if defined AMPER_JAVA_HOME goto jre_provisioned
@rem Auto-updated from syncVersions.main.kts, do not modify directly here
set jbr_version=21.0.4
set jbr_build=b509.26
if "%PROCESSOR_ARCHITECTURE%"=="ARM64" (
set jbr_arch=aarch64
set jbr_sha512=9fd2333f3d55f0d40649435fc27e5ab97ad44962f54c1c6513e66f89224a183cd0569b9a3994d840b253060d664630610f82a02f45697e5e6c0b4ee250dd1857
) else if "%PROCESSOR_ARCHITECTURE%"=="AMD64" (
set jbr_arch=x64
set jbr_sha512=6a639d23039b83cf1b0ed57d082bb48a9bff6acae8964192a1899e8a1c0915453199b501b498e5874bc57c9996d871d49f438054b3c86f643f1c1c4f178026a3
) else (
echo Unknown Windows architecture %PROCESSOR_ARCHITECTURE% >&2
goto fail
)
@rem URL for JBR (vanilla) - see https://github.com/JetBrains/JetBrainsRuntime/releases
set jbr_url=%AMPER_JRE_DOWNLOAD_ROOT%/cache-redirector.jetbrains.com/intellij-jbr/jbr-%jbr_version%-windows-%jbr_arch%-%jbr_build%.tar.gz
set jbr_target_dir=%AMPER_BOOTSTRAP_CACHE_DIR%\jbr-%jbr_version%-windows-%jbr_arch%-%jbr_build%
call :download_and_extract "JetBrains Runtime v%jbr_version%%jbr_build%" "%jbr_url%" "%jbr_target_dir%" "%jbr_sha512%" "512"
if errorlevel 1 goto fail
set AMPER_JAVA_HOME=
for /d %%d in ("%jbr_target_dir%\*") do if exist "%%d\bin\java.exe" set AMPER_JAVA_HOME=%%d
if not exist "%AMPER_JAVA_HOME%\bin\java.exe" (
echo Unable to find java.exe under %jbr_target_dir%
goto fail
)
:jre_provisioned
REM ********** Launch Amper **********
set jvm_args=-ea -XX:+EnableDynamicAgentLoading %AMPER_JAVA_OPTIONS%
"%AMPER_JAVA_HOME%\bin\java.exe" "-Damper.wrapper.dist.sha256=%amper_sha256%" %jvm_args% -cp "%amper_target_dir%\lib\*" org.jetbrains.amper.cli.MainKt %*
exit /B %ERRORLEVEL%