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Subject: Re: [ANNOUNCEMENT] Updated: dash-0.5.9.1-1
To: cygwin AT cygwin DOT com
References: <1835159156 DOT 20170223203808 AT yandex DOT ru> <58af3c19 DOT 01309d0a DOT 781cc DOT afce AT mx DOT google DOT com>
From: cyg Simple <cygsimple AT gmail DOT com>
Message-ID: <ed828046-15d2-6cbe-4e48-c3d72839572e@gmail.com>
Date: Sat, 25 Feb 2017 11:46:08 -0500
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On 2/23/2017 2:46 PM, Steven Penny wrote:
> On Thu, 23 Feb 2017 20:38:08, Andrey Repin wrote:
>> $ cat /etc/postinstall/zp_dash-as-bin-sh.dash
>> #!/bin/dash
> 
>> test ! -h /bin/sh.exe && {
>>   _f="$(mktemp /bin/sh.XXXXXX)"
>>   {
>>     mv /bin/sh.exe "$_f"
>>     ln -s /bin/dash.exe /bin/sh.exe
>>   } || mv "$_f" /bin/sh.exe
>>   rm "$_f"
>> }
>> exit 0
> 
> This is a bad idea.
> 
> If script succeeds, then yes sh is now a symlink to Dash, but only for my
> system. I still have to use #!/bin/dash with my scripts, because otherwise
> people with Bash -> sh will not get the speed boost. The whole point of
> this
> thread is that it should be changed for everyone.

If *your* script has a dependency to run using *dash* instead of *sh*
then you _must_ use #!/bin/dash anyway.  And what I _*I*_ don't want
dash as /bin/sh?  You see not everyone in the community will agree.  You
can make the suggestion to those using your script to do so otherwise
but forcing dash as /bin/sh worldwide isn't something you can actually do.

-- 
cyg Simple

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