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Subject:	Re: How to install a custom permanent postinstall handler?
To:	cygwin AT cygwin DOT com
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From:	Yaakov Selkowitz <yselkowitz AT cygwin DOT com>
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Date:	Sat, 2 Apr 2016 23:08:58 -0500
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On 2016-04-02 04:21, Achim Gratz wrote:
> Andrey Repin writes:
>> Couple of my scripts rely on ASH/DASH functionality that is not present in
>> BASH. (Namely "local -".)
>> To amend that, I make a symlink /bin/sh = /bin/dash .
>> But every time bash update, it overwrite the link.
>
> I think the correct course of action would be to put /bin/sh under
> control of the alternatives system.

I am not in favour of /bin/sh being alternatives-able.  The *proper* 
course of action is to use the shebang for the script interpreter you 
require, i.e. /bin/dash.

-- 
Yaakov

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