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Re: [ANNOUNCEMENT] Updated: dash-0.5.9.1-1
- From: Brian Inglis <Brian dot Inglis at SystematicSw dot ab dot ca>
- To: cygwin at cygwin dot com
- Date: Thu, 23 Feb 2017 12:59:27 -0700
- Subject: Re: [ANNOUNCEMENT] Updated: dash-0.5.9.1-1
- Authentication-results: sourceware.org; auth=none
- References: <1835159156.20170223203808@yandex.ru> <58af3c19.01309d0a.781cc.afce@mx.google.com>
- Reply-to: Brian dot Inglis at SystematicSw dot ab dot ca
On 2017-02-23 12:46, 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.
And should be done using update_alternatives so it and associated
man pages can easily be changed if anyone suffers breakage.
Some people may continue to need or prefer using bash in POSIX mode.
--
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada
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