blob: 4547692f877cae3b97df0c40dc68522beff04ebd [file] [log] [blame]
@ECHO off
REM Copyright 2017 The Chromium 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 `flutter` script in the same directory to ensure that Flutter continues to
REM work across all platforms!
REM
REM --------------------------------------------------------------------------
SETLOCAL ENABLEDELAYEDEXPANSION
FOR %%i IN ("%~dp0..") DO SET FLUTTER_ROOT=%%~fi
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
SET pub=%dart_sdk_path%\bin\pub.bat
REM If available, add location of bundled mingit to PATH
SET mingit_path=%FLUTTER_ROOT%\bin\mingit\cmd
IF EXIST "%mingit_path%" SET PATH=%PATH%;%mingit_path%
REM Test if Git is available on the Host
where /q git || ECHO Error: Unable to find git in your PATH. && EXIT /B 1
REM Test if the flutter directory is a git clone, otherwise git rev-parse HEAD would fail
IF NOT EXIST "%flutter_root%\.git" (
ECHO Error: The Flutter directory is not a clone of the GitHub project.
ECHO The flutter tool requires Git in order to operate properly;
ECHO to set up Flutter, run the following command:
ECHO git clone -b stable https://github.com/flutter/flutter.git
EXIT /B 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
ECHO %cache_dir%
ECHO.
ECHO This may be because flutter doesn't have write permissions for
ECHO this path. Try moving the flutter directory to a writable location,
ECHO such as within your home directory.
EXIT /B 1
)
REM To debug the tool, you can uncomment the following lines to enable checked mode and set an observatory port:
REM SET FLUTTER_TOOL_ARGS="--checked %FLUTTER_TOOL_ARGS%"
REM SET FLUTTER_TOOL_ARGS="%FLUTTER_TOOL_ARGS% --observe=65432"
: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
PUSHD "%flutter_root%"
FOR /f %%r IN ('git rev-parse HEAD') DO SET revision=%%r
POPD
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 !revision! 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 uptodate - exit subroutine
EXIT /B
:do_sdk_update_and_snapshot
ECHO Checking Dart SDK version...
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:'=''!"
PowerShell.exe -ExecutionPolicy Bypass -Command "Unblock-File -Path '%update_dart_bin%'; & '%update_dart_bin%'"
IF "%ERRORLEVEL%" NEQ "0" (
ECHO Error: Unable to update Dart SDK. Retrying...
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...
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...
CALL "%pub%" upgrade "%VERBOSITY%"
IF "%ERRORLEVEL%" EQU "0" goto :upgrade_succeeded
ECHO Error (%ERRORLEVEL%): Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (%remaining_tries% tries left)
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, giving up.
GOTO final_exit
:upgrade_succeeded
ENDLOCAL
POPD
IF "%FLUTTER_TOOL_ARGS%" == "" (
"%dart%" --snapshot="%snapshot_path%" --packages="%flutter_tools_dir%\.packages" "%script_path%"
) else (
"%dart%" "%FLUTTER_TOOL_ARGS%" --snapshot="%snapshot_path%" --packages="%flutter_tools_dir%\.packages" "%script_path%"
)
IF "%ERRORLEVEL%" NEQ "0" (
ECHO Error: Unable to create dart snapshot for flutter tool.
SET exit_code=%ERRORLEVEL%
GOTO :final_exit
)
>"%stamp_path%" ECHO %revision%
REM Exit Subroutine
EXIT /B
:after_subroutine
REM Chaining the call to 'dart' and 'exit' with an ampersand ensures that
REM Windows reads both commands into memory once before executing them. This
REM avoids nasty errors that may otherwise occure when the dart command (e.g. as
REM part of 'flutter upgrade') modifies this batch script while it is executing.
REM
REM Do not use the CALL command in the next line to execute Dart. CALL causes
REM Windows to re-read the line from disk after the CALL command has finished
REM regardless of the ampersand chain.
"%dart%" %FLUTTER_TOOL_ARGS% "%snapshot_path%" %* & exit /B !ERRORLEVEL!
:final_exit
EXIT /B %exit_code%