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@ECHO off
REM Copyright 2014 The Flutter Authors. All rights reserved.
REM Use of this source code is governed by a BSD-style license that can be
REM found in the LICENSE file.
REM ---------------------------------- NOTE ----------------------------------
REM
REM Please keep the logic in this file consistent with the logic in the
REM `shared.sh` script in the same directory to ensure that Flutter & Dart continue to
REM work across all platforms!
REM
REM --------------------------------------------------------------------------
SETLOCAL ENABLEDELAYEDEXPANSION
SET flutter_tools_dir=%FLUTTER_ROOT%\packages\flutter_tools
SET cache_dir=%FLUTTER_ROOT%\bin\cache
SET snapshot_path=%cache_dir%\flutter_tools.snapshot
SET stamp_path=%cache_dir%\flutter_tools.stamp
SET script_path=%flutter_tools_dir%\bin\flutter_tools.dart
SET dart_sdk_path=%cache_dir%\dart-sdk
SET engine_stamp=%cache_dir%\engine-dart-sdk.stamp
SET engine_version_path=%FLUTTER_ROOT%\bin\internal\engine.version
SET pub_cache_path=%FLUTTER_ROOT%\.pub-cache
SET dart=%dart_sdk_path%\bin\dart.exe
REM Detect which PowerShell executable is available on the Host
REM PowerShell version <= 5: PowerShell.exe
REM PowerShell version >= 6: pwsh.exe
WHERE /Q pwsh.exe && (
SET powershell_executable=pwsh.exe
) || WHERE /Q PowerShell.exe && (
SET powershell_executable=PowerShell.exe
) || (
ECHO Error: PowerShell executable not found. 1>&2
ECHO Either pwsh.exe or PowerShell.exe must be in your PATH. 1>&2
EXIT 1
)
REM Ensure that bin/cache exists.
IF NOT EXIST "%cache_dir%" MKDIR "%cache_dir%"
REM If the cache still doesn't exist, fail with an error that we probably don't have permissions.
IF NOT EXIST "%cache_dir%" (
ECHO Error: Unable to create cache directory at 1>&2
ECHO %cache_dir% 1>&2
ECHO. 1>&2
ECHO This may be because flutter doesn't have write permissions for 1>&2
ECHO this path. Try moving the flutter directory to a writable location, 1>&2
ECHO such as within your home directory. 1>&2
EXIT 1
)
:acquire_lock
2>NUL (
REM "3" is now stderr because of "2>NUL".
CALL :subroutine %* 2>&3 9> "%cache_dir%\flutter.bat.lock" || GOTO acquire_lock
)
GOTO :after_subroutine
:subroutine
REM If present, run the bootstrap script first
SET bootstrap_path=%FLUTTER_ROOT%\bin\internal\bootstrap.bat
IF EXIST "%bootstrap_path%" (
CALL "%bootstrap_path%"
)
PUSHD "%flutter_root%"
FOR /f %%r IN ('git rev-parse HEAD') DO SET revision=%%r
POPD
SET compilekey="%revision%:%FLUTTER_TOOL_ARGS%"
REM Invalidate cache if:
REM * SNAPSHOT_PATH is not a file, or
REM * STAMP_PATH is not a file, or
REM * STAMP_PATH is an empty file, or
REM * Contents of STAMP_PATH is not what we are going to compile, or
REM * pubspec.yaml last modified after pubspec.lock
REM The following IF conditions are all linked with a logical OR. However,
REM there is no OR operator in batch and a GOTO construct is used as replacement.
IF NOT EXIST "%engine_stamp%" GOTO do_sdk_update_and_snapshot
SET /P dart_required_version=<"%engine_version_path%"
SET /P dart_installed_version=<"%engine_stamp%"
IF !dart_required_version! NEQ !dart_installed_version! GOTO do_sdk_update_and_snapshot
IF NOT EXIST "%snapshot_path%" GOTO do_snapshot
IF NOT EXIST "%stamp_path%" GOTO do_snapshot
SET /P stamp_value=<"%stamp_path%"
IF !stamp_value! NEQ !compilekey! GOTO do_snapshot
SET pubspec_yaml_path=%flutter_tools_dir%\pubspec.yaml
SET pubspec_lock_path=%flutter_tools_dir%\pubspec.lock
FOR /F %%i IN ('DIR /B /O:D "%pubspec_yaml_path%" "%pubspec_lock_path%"') DO SET newer_file=%%i
FOR %%i IN (%pubspec_yaml_path%) DO SET pubspec_yaml_timestamp=%%~ti
FOR %%i IN (%pubspec_lock_path%) DO SET pubspec_lock_timestamp=%%~ti
IF "%pubspec_yaml_timestamp%" == "%pubspec_lock_timestamp%" SET newer_file=""
IF "%newer_file%" EQU "pubspec.yaml" GOTO do_snapshot
REM Everything is up-to-date - exit subroutine
EXIT /B
:do_sdk_update_and_snapshot
ECHO Checking Dart SDK version... 1>&2
SET update_dart_bin=%FLUTTER_ROOT%\bin\internal\update_dart_sdk.ps1
REM Escape apostrophes from the executable path
SET "update_dart_bin=!update_dart_bin:'=''!"
REM PowerShell command must have exit code set in order to prevent all non-zero exit codes from being translated
REM into 1. The exit code 2 is used to detect the case where the major version is incorrect and there should be
REM no subsequent retries.
ECHO Downloading Dart SDK from Flutter engine %dart_required_version%... 1>&2
%powershell_executable% -ExecutionPolicy Bypass -Command "Unblock-File -Path '%update_dart_bin%'; & '%update_dart_bin%'; exit $LASTEXITCODE;"
IF "%ERRORLEVEL%" EQU "2" (
EXIT 1
)
IF "%ERRORLEVEL%" NEQ "0" (
ECHO Error: Unable to update Dart SDK. Retrying... 1>&2
timeout /t 5 /nobreak
GOTO :do_sdk_update_and_snapshot
)
:do_snapshot
IF EXIST "%FLUTTER_ROOT%\version" DEL "%FLUTTER_ROOT%\version"
ECHO: > "%cache_dir%\.dartignore"
ECHO Building flutter tool... 1>&2
PUSHD "%flutter_tools_dir%"
REM Makes changes to PUB_ENVIRONMENT only visible to commands within SETLOCAL/ENDLOCAL
SETLOCAL
SET VERBOSITY=--verbosity=error
IF "%CI%" == "true" GOTO on_bot
IF "%BOT%" == "true" GOTO on_bot
IF "%CONTINUOUS_INTEGRATION%" == "true" GOTO on_bot
IF "%CHROME_HEADLESS%" == "1" GOTO on_bot
GOTO not_on_bot
:on_bot
SET PUB_ENVIRONMENT=%PUB_ENVIRONMENT%:flutter_bot
SET VERBOSITY=--verbosity=normal
:not_on_bot
SET PUB_ENVIRONMENT=%PUB_ENVIRONMENT%:flutter_install
IF "%PUB_CACHE%" == "" (
IF EXIST "%pub_cache_path%" SET PUB_CACHE=%pub_cache_path%
)
SET /A total_tries=10
SET /A remaining_tries=%total_tries%-1
:retry_pub_upgrade
ECHO Running pub upgrade... 1>&2
"%dart%" __deprecated_pub upgrade "%VERBOSITY%" --no-precompile
IF "%ERRORLEVEL%" EQU "0" goto :upgrade_succeeded
ECHO Error (%ERRORLEVEL%): Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (%remaining_tries% tries left) 1>&2
timeout /t 5 /nobreak 2>NUL
SET /A remaining_tries-=1
IF "%remaining_tries%" EQU "0" GOTO upgrade_retries_exhausted
GOTO :retry_pub_upgrade
:upgrade_retries_exhausted
SET exit_code=%ERRORLEVEL%
ECHO Error: 'pub upgrade' still failing after %total_tries% tries. 1>&2
GOTO final_exit
:upgrade_succeeded
ENDLOCAL
POPD
IF "%FLUTTER_TOOL_ARGS%" == "" (
"%dart%" --verbosity=error --snapshot="%snapshot_path%" --packages="%flutter_tools_dir%\.packages" --no-enable-mirrors "%script_path%"
) else (
"%dart%" "%FLUTTER_TOOL_ARGS%" --verbosity=error --snapshot="%snapshot_path%" --packages="%flutter_tools_dir%\.packages" "%script_path%"
)
IF "%ERRORLEVEL%" NEQ "0" (
ECHO Error: Unable to create dart snapshot for flutter tool. 1>&2
SET exit_code=%ERRORLEVEL%
GOTO :final_exit
)
>"%stamp_path%" ECHO %compilekey%
REM Exit Subroutine
EXIT /B
:after_subroutine
:final_exit
EXIT /B %exit_code%