| Index: update_depot_tools.bat | 
| diff --git a/update_depot_tools.bat b/update_depot_tools.bat | 
| index d461aab6431961e293caa2229b5b8c18617c07b5..0297d3d8826ac53f66b96f241ef7ad3c5ba6bb45 100644 | 
| --- a/update_depot_tools.bat | 
| +++ b/update_depot_tools.bat | 
| @@ -30,8 +30,7 @@ if errorlevel 1 goto :EOF | 
| :: Now clear errorlevel so it can be set by other programs later. | 
| set errorlevel= | 
|  | 
| -:: Opt-in for now. | 
| -IF "%DEPOT_TOOLS_WIN_TOOLCHAIN%" == "" GOTO :NOTOOLCHAIN | 
| +IF "%DEPOT_TOOLS_WIN_TOOLCHAIN%" == "0" GOTO :NOTOOLCHAIN | 
| call python %~dp0win_toolchain\get_toolchain_if_necessary.py | 
| if errorlevel 1 goto :EOF | 
| set errorlevel= | 
|  |