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Subject: Re: Proposal for new cygwin.bat which is independent from install directory
To: cygwin AT cygwin DOT com
References: <57C06CFA DOT 4060405 AT t-online DOT de> <1974732522 DOT 20160826193931 AT yandex DOT ru> <daq2sb15dt33v54ekoc1p8f4snvepa0og0 AT 4ax DOT com> <57C1788B DOT 2010705 AT t-online DOT de>
From: Thomas Wolff <towo AT towo DOT net>
Message-ID: <57C191DC.4040407@towo.net>
Date: Sat, 27 Aug 2016 15:13:00 +0200
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Am 27.08.2016 um 13:24 schrieb Christian Franke:
> Bengt Larsson wrote:
>> Andrey Repin wrote:
>>>> The following should work since WinXP regardless of install directory:
>>>> -----
>>>> @echo off
>>>>
>>>> cd /d %~dp0
>>>> if errorlevel 1 exit /b 1
>>>> cd bin
>>>> if errorlevel 1 exit /b 1
>>>>
>>>> bash --login -i
>>>> -----
>>> Why so complicated? 
>> Also don't see why so complicated. While staying in the console, how
>> about:
>> -----
>> @echo off
>>
>> cd /d "%~dp0\bin"
>>
>> bash --login -i
>> -----
>
> An errorlevel check is IMO mandatory after a cd command. Otherwise 
> another bash in the PATH might be started if the directory does not 
> exist.
> Hmm... therefore it is also better to change the last line to:
>
>   .\bash --login -i
>
> The directory change is intentionally done with two cd commands to 
> avoid possible problems with cmd variants (on Win10 "%~dp0" expands to 
> a path with trailing backslash).
If someone submits a patch to change cygwin.bat, please also add a 
command to clear $TERM on that occasion, in order to avoid trouble if 
cygwin.bat is started from a terminal:
set TERM=

Thomas

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