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Updater 3.1a

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-updatebatch now will (or at least should):
*Download new batch and name it [updater]*.bat
*Open that script in a new CMD window.
*Exit

The [updated]*.bat script should:
*Copy itself overwriting the original batch (without renaming).
*Start that script in a new CMD instance.
*Exit.

The new script, with the original name, should:
*Delete the [updated]*.bat script
*Begin the normal script routine.

@earthing do you think I should still rename the scripts to .old or something before overwriting/deleting?
This commit is contained in:
claustromaniac
2017-11-30 00:10:01 +00:00
parent 0a97660506
commit 00e17281dc
1 changed files with 14 additions and 13 deletions
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27
updater.bat
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@@ -3,7 +3,7 @@ TITLE ghacks user.js updater
REM ### ghacks-user.js updater for Windows
REM ## author: @claustromaniac
REM ## version: 3.0
REM ## version: 3.1a
SET _myname=%~n0
SET _myparams=%*
@@ -37,36 +37,37 @@ GOTO parse
ECHO.
IF DEFINED _updateb (
IF NOT "!_myname:~0,9!"=="[updated]" (
IF EXIST "[updated]!_myname!.bat" (
DEL /F "[updated]!_myname!.bat"
GOTO begin
)
ECHO Checking updater version...
ECHO.
IF EXIST "[updated]!_myname!.bat" ( DEL /F "[updated]!_myname!.bat" )
REM Uncomment the next line and comment the powershell call for testing.
REM COPY /B /V /Y "!_myname!.bat" "[updated]!_myname!.bat"
(
powershell -Command "(New-Object Net.WebClient).DownloadFile('https://github.com/ghacksuserjs/ghacks-user.js/raw/master/updater.bat', '[updated]!_myname!.bat')"
) >nul 2>&1
IF EXIST "[updated]!_myname!.bat" (
START CMD /C "[updated]!_myname!.bat" !_myparams!
START /min CMD /C "[updated]!_myname!.bat" !_myparams!
EXIT /B
) ELSE (
ECHO Failed. Make sure PowerShell is allowed internet access.
ECHO.
TIMEOUT 300
TIMEOUT 120
EXIT /B
)
) ELSE (
IF EXIST "!_myname:~9!.bat" (
REN "!_myname:~9!.bat" "!_myname:~9!.old"
CALL :begin
REN "!_myname!.bat" "!_myname:~9!.bat"
DEL /F "!_myname:~9!.old"
EXIT /B
) ELSE (
IF "!_myname!"=="[updated]" (
ECHO.
ECHO The [updated] label is reserved. Rename this script and try again.
ECHO.
ECHO The [updated] label is reserved. Do not run an [updated] script directly, or rename it to something else before you run it.
TIMEOUT 300
EXIT /B
) ELSE (
COPY /B /V /Y "!_myname!.bat" "!_myname:~9!.bat"
START CMD /C "!_myname:~9!.bat" !_myparams!
)
EXIT /B
)
)
:begin