@echo off
setlocal EnableExtensions

rem Launch the official Codex Windows app with Git integration disabled.
rem The environment changes are limited to this process tree.

set "CODEX_INSTALL="
for /f "usebackq delims=" %%I in (`powershell.exe -NoProfile -Command "$p=Get-AppxPackage -Name OpenAI.Codex -ErrorAction SilentlyContinue; if($p){$p.InstallLocation}"`) do set "CODEX_INSTALL=%%I"

if not defined CODEX_INSTALL (
    echo The official Codex app is not installed.
    pause
    exit /b 3
)

set "CODEX_EXE=%CODEX_INSTALL%\app\ChatGPT.exe"
if not exist "%CODEX_EXE%" (
    echo Codex executable was not found:
    echo %CODEX_EXE%
    pause
    exit /b 4
)

if /i "%~1"=="--check" (
    echo Codex Git-disabled launcher is ready.
    exit /b 0
)

powershell.exe -NoProfile -Command "$items=Get-Process -Name ChatGPT -ErrorAction SilentlyContinue; foreach($item in $items){if($item.Path -like '*\WindowsApps\OpenAI.Codex_*\app\ChatGPT.exe'){exit 2}}; exit 0"
set "RUNNING_CHECK=%ERRORLEVEL%"

if "%RUNNING_CHECK%"=="2" (
    echo Codex is still running.
    echo Exit Codex completely from the system tray, then run this file again.
    echo Chat history will be preserved.
    pause
    exit /b 2
)

if not "%RUNNING_CHECK%"=="0" (
    echo Unable to determine whether Codex is already running.
    pause
    exit /b 5
)

set "GIT_DIR=NUL"
set "GIT_OPTIONAL_LOCKS=0"

start "" "%CODEX_EXE%"
exit /b 0