@ECHO OFF
REM REBOOT.BAT - Manual system file update script
REM
REM NOTE: This file is normally AUTO-GENERATED by STAGE.BAT
REM       This standalone version is for manual testing/recovery only
REM
REM Usage: REBOOT
REM
REM Applies staged system file updates:
REM   C:\AUTOEXEC.NEW ??? C:\AUTOEXEC.BAT
REM   C:\CONFIG.NEW ??? C:\CONFIG.SYS
REM
REM Version: 1.0 - DOS 6.22 compatible
REM Last modified: 2026-01-19

ECHO.
ECHO ==============================================================
ECHO Manual System File Update
ECHO ==============================================================
ECHO.

REM ==================================================================
REM Check if staged files exist
REM ==================================================================

SET HASAUTO=0
SET HASCONF=0

IF EXIST C:\AUTOEXEC.NEW SET HASAUTO=1
IF EXIST C:\CONFIG.NEW SET HASCONF=1

IF "%HASAUTO%"=="0" IF "%HASCONF%"=="0" GOTO NO_UPDATES

REM ==================================================================
REM Warn user
REM ==================================================================

ECHO [WARNING] This will replace your current system files:
ECHO.
IF "%HASAUTO%"=="1" ECHO   C:\AUTOEXEC.BAT will be replaced by C:\AUTOEXEC.NEW
IF "%HASCONF%"=="1" ECHO   C:\CONFIG.SYS will be replaced by C:\CONFIG.NEW
ECHO.
ECHO Backups will be saved as .SAV files.
ECHO.
ECHO Press Ctrl+C to cancel, or
PAUSE Press any key to continue...
ECHO.

REM ==================================================================
REM Backup current files
REM ==================================================================

ECHO Creating backups...

IF EXIST C:\AUTOEXEC.BAT COPY C:\AUTOEXEC.BAT C:\AUTOEXEC.SAV >NUL
IF EXIST C:\AUTOEXEC.BAT IF NOT ERRORLEVEL 1 ECHO   [OK] C:\AUTOEXEC.BAT ??? C:\AUTOEXEC.SAV

IF EXIST C:\CONFIG.SYS COPY C:\CONFIG.SYS C:\CONFIG.SAV >NUL
IF EXIST C:\CONFIG.SYS IF NOT ERRORLEVEL 1 ECHO   [OK] C:\CONFIG.SYS ??? C:\CONFIG.SAV

ECHO.

REM ==================================================================
REM Apply updates
REM ==================================================================

ECHO Applying updates...

REM Apply AUTOEXEC.NEW
IF "%HASAUTO%"=="1" COPY C:\AUTOEXEC.NEW C:\AUTOEXEC.BAT >NUL
IF "%HASAUTO%"=="1" IF NOT ERRORLEVEL 1 ECHO   [OK] AUTOEXEC.BAT updated
IF "%HASAUTO%"=="1" IF ERRORLEVEL 1 ECHO   [ERROR] AUTOEXEC.BAT update failed
IF "%HASAUTO%"=="1" IF ERRORLEVEL 1 GOTO UPDATE_ERROR

REM Apply CONFIG.NEW
IF "%HASCONF%"=="1" COPY C:\CONFIG.NEW C:\CONFIG.SYS >NUL
IF "%HASCONF%"=="1" IF NOT ERRORLEVEL 1 ECHO   [OK] CONFIG.SYS updated
IF "%HASCONF%"=="1" IF ERRORLEVEL 1 ECHO   [ERROR] CONFIG.SYS update failed
IF "%HASCONF%"=="1" IF ERRORLEVEL 1 GOTO UPDATE_ERROR

ECHO.

REM ==================================================================
REM Clean up staging files
REM ==================================================================

ECHO Cleaning up staging files...

IF EXIST C:\AUTOEXEC.NEW DEL C:\AUTOEXEC.NEW
IF EXIST C:\CONFIG.NEW DEL C:\CONFIG.NEW

ECHO   [OK] Staging files deleted
ECHO.

REM ==================================================================
REM Success
REM ==================================================================

ECHO ==============================================================
ECHO System Files Updated Successfully
ECHO ==============================================================
ECHO.
ECHO Updated files:
IF "%HASAUTO%"=="1" ECHO   - C:\AUTOEXEC.BAT
IF "%HASCONF%"=="1" ECHO   - C:\CONFIG.SYS
ECHO.
ECHO Backup files saved:
ECHO   - C:\AUTOEXEC.SAV (previous AUTOEXEC.BAT)
ECHO   - C:\CONFIG.SAV (previous CONFIG.SYS)
ECHO.
ECHO To activate changes:
ECHO   Reboot the computer (Ctrl+Alt+Del)
ECHO.
ECHO To rollback changes:
ECHO   COPY C:\AUTOEXEC.SAV C:\AUTOEXEC.BAT
ECHO   COPY C:\CONFIG.SAV C:\CONFIG.SYS
ECHO   Then reboot
ECHO.
ECHO ==============================================================
ECHO.
PAUSE Press any key to continue...
GOTO END

REM ==================================================================
REM ERROR HANDLERS
REM ==================================================================

:NO_UPDATES
ECHO [WARNING] No staged update files found
ECHO.
ECHO Expected files:
ECHO   C:\AUTOEXEC.NEW (not found)
ECHO   C:\CONFIG.NEW (not found)
ECHO.
ECHO Run NWTOC to download updates from network, then:
ECHO   CALL C:\BAT\STAGE.BAT
ECHO.
PAUSE Press any key to exit...
GOTO END

:UPDATE_ERROR
ECHO.
ECHO [ERROR] Update failed
ECHO.
ECHO Your system may be in an inconsistent state.
ECHO.
ECHO Recovery steps:
ECHO   1. COPY C:\AUTOEXEC.SAV C:\AUTOEXEC.BAT
ECHO   2. COPY C:\CONFIG.SAV C:\CONFIG.SYS
ECHO   3. Reboot (Ctrl+Alt+Del)
ECHO.
ECHO If system won't boot:
ECHO   1. Boot from DOS floppy
ECHO   2. Copy .SAV files back to .BAT and .SYS
ECHO   3. Remove floppy and reboot
ECHO.
PAUSE Press any key to exit...
GOTO END

REM ==================================================================
REM CLEANUP AND EXIT
REM ==================================================================

:END
SET HASAUTO=
SET HASCONF=