| @echo off | 
 | REM Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file | 
 | REM for details. All rights reserved. Use of this source code is governed by a | 
 | REM BSD-style license that can be found in the LICENSE file. | 
 |  | 
 | rem Run pub.dart on the Dart VM. This script is only used when running pub from | 
 | rem within the Dart source repo. The shipped SDK instead uses "pub_sdk.bat", | 
 | rem which is renamed to "pub.bat" when the SDK is built. | 
 |  | 
 | setlocal | 
 | rem Handle the case where dart-sdk/bin has been symlinked to. | 
 | set DIR_NAME_WITH_SLASH=%~dp0 | 
 | set DIR_NAME=%DIR_NAME_WITH_SLASH:~0,-1%% | 
 | call :follow_links "%DIR_NAME%", RETURNED_BIN_DIR | 
 | rem Get rid of surrounding quotes. | 
 | for %%i in ("%RETURNED_BIN_DIR%") do set BIN_DIR=%%~fi | 
 |  | 
 | rem Get absolute full name for SDK_DIR. | 
 | for %%i in ("%BIN_DIR%\..\") do set SDK_DIR=%%~fi | 
 |  | 
 | rem Remove trailing backslash if there is one | 
 | IF %SDK_DIR:~-1%==\ set SDK_DIR=%SDK_DIR:~0,-1% | 
 |  | 
 | set VM_OPTIONS= | 
 |  | 
 | rem We allow extra vm options to be passed in through an environment variable. | 
 | if not "_%DART_VM_OPTIONS%_" == "__" ( | 
 |   set VM_OPTIONS=%VM_OPTIONS% %DART_VM_OPTIONS% | 
 | ) | 
 |  | 
 | rem Use the Dart binary in the built SDK so pub can find the version file next | 
 | rem to it. | 
 | set BUILD_DIR=%SDK_DIR%\..\out\ReleaseX64 | 
 | set DART=%BUILD_DIR%\dart-sdk\bin\dart | 
 |  | 
 | rem Run pub. | 
 | set PUB="%SDK_DIR%\..\third_party\pkg\pub\bin\pub.dart" | 
 | "%DART%" "--packages=%SDK_DIR%\..\.packages" %VM_OPTIONS% "%PUB%" %* | 
 |  | 
 | endlocal | 
 |  | 
 | exit /b %errorlevel% | 
 |  | 
 | :follow_links | 
 | setlocal | 
 | for %%i in (%1) do set result=%%~fi | 
 | set current= | 
 | for /f "usebackq tokens=2 delims=[]" %%i in (`dir /a:l "%~dp1" 2^>nul ^ | 
 |                                              ^| %SystemRoot%\System32\find.exe ">     %~n1 [" 2^>nul`) do ( | 
 |   set current=%%i | 
 | ) | 
 | if not "%current%"=="" call :follow_links "%current%", result | 
 | endlocal & set %~2=%result% | 
 | goto :eof | 
 |  | 
 | :end |