```batchfile
@echo off
setlocal
title Build slave
if not exist %~dp0..\..\depot_tools\. (
  echo You must put a copy of depot_tools in %~dp0..\depot_tools
  goto :EOF
)
set PATH=%~dp0..\..\depot_tools;%PATH%
cd /d %~dp0
:: Running it once will make sure svn and python were downloaded.
call gclient.bat > nul
:: run_slave.py will overwrite the PATH and PYTHONPATH environment variables.
python %~dp0\run_slave.py --no_save -y buildbot.tac %*
```

Write twistd.log files on Windows
user
```batchfile
@echo off
setlocal
title Build slave
if not exist %~dp0..\..\depot_tools\. (
  echo You must put a copy of depot_tools in %~dp0..\depot_tools
  goto :EOF
)
set PATH=%~dp0..\..\depot_tools;%PATH%
cd /d %~dp0
:: Running it once will make sure svn and python were downloaded.
call gclient.bat > nul
:: run_slave.py will overwrite the PATH and PYTHONPATH environment variables.
python %~dp0\run_slave.py --no_save -y buildbot.tac --logfile=twistd.log %*```
assistant