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build.bat

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+@echo off
+rem ==========================================================================
+rem  build.bat - builds gitdesk into a single Windows executable: dist\gitdesk.exe
+rem
+rem  Needs Python 3.9+ installed. Double-click it or run it from this folder.
+rem  It makes its own throwaway environment in .build-venv, so it doesn't touch
+rem  your normal Python packages.
+rem ==========================================================================
+setlocal
+cd /d "%~dp0"
+
+set "PY="
+where py >nul 2>&1 && set "PY=py -3"
+if not defined PY where python >nul 2>&1 && set "PY=python"
+if not defined PY (
+    echo Python 3 was not found. Install it from https://www.python.org/downloads/
+    goto :fail
+)
+
+echo [1/3] Creating the build environment - .build-venv ...
+if not exist ".build-venv\Scripts\python.exe" %PY% -m venv .build-venv
+if not exist ".build-venv\Scripts\python.exe" goto :fail
+set "VPY=.build-venv\Scripts\python.exe"
+
+echo [2/3] Installing PyInstaller and Textual...
+"%VPY%" -m pip install --quiet --upgrade pip
+"%VPY%" -m pip install --quiet pyinstaller -r requirements.txt
+if errorlevel 1 goto :fail
+
+echo [3/3] Building gitdesk.exe...
+rem Textual and Rich load some of their modules on demand, so bundle all of them.
+"%VPY%" -m PyInstaller --noconfirm --clean --onefile --name gitdesk ^
+    --collect-submodules textual --collect-data textual --collect-submodules rich ^
+    --specpath build --workpath build --distpath dist ^
+    gitdesk.py
+if errorlevel 1 goto :fail
+
+echo.
+echo Done: %CD%\dist\gitdesk.exe
+echo Copy it anywhere - a folder on your PATH is handy - and run "gitdesk" inside a repo.
+pause
+exit /b 0
+
+:fail
+echo.
+echo Build failed - see the messages above.
+pause
+exit /b 1