[gentoo-user] eselect sh set dash?

[gentoo-user] eselect sh set dash?

[Florian Philipp]

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Hi list!

Now that eselect-sh has been stabilized, I'm wondering if anyone has
tried setting dash as the /bin/sh symlink. Any experiences?

Thanks in advance!
Florian Philipp


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Re: [gentoo-user] eselect sh set dash?

[Marc Joliet]

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Am Sun, 29 Apr 2012 00:20:41 +0200
schrieb Florian Philipp <lists@binarywings.net>:

> Hi list!

Hi,
 
> Now that eselect-sh has been stabilized, I'm wondering if anyone has
> tried setting dash as the /bin/sh symlink. Any experiences?


I've been using dash as my /bin/sh for a while now. I've had it installed since
June 2009, I suppose I've had the symlink set for the same length of time.

Pretty much all incompatibilities I encountered are fixed now, stuff like
openrc introducing bashisms (what fun! I never used the debug option of an init
script before or since), or the Audacity build system having #!/bin/sh but
using bashisms. I seem to recall that I have one package installed that has this
problem and requires changing the symlink temporarily, but I don't remember
which. It might have been fixed by now, though.

Also, the old mysql-init-scripts-1.2 package requires bash, in case that matters
to you.

So I don't think you should expect any problems (save for the rare exception),
and for me there was a noticeable speedup with the init system (also reported
by Flameeyes in his blog).

> Thanks in advance!
> Florian Philipp

HTH
-- 
Marc Joliet
--
"People who think they know everything really annoy those of us who know we
don't" - Bjarne Stroustrup

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Re: [gentoo-user] eselect sh set dash?

[Florian Philipp]

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Am 29.04.2012 16:04, schrieb Marc Joliet:
> Am Sun, 29 Apr 2012 00:20:41 +0200
> schrieb Florian Philipp <lists@binarywings.net>:
> 
>> Hi list!
> 
> Hi,
>  
>> Now that eselect-sh has been stabilized, I'm wondering if anyone has
>> tried setting dash as the /bin/sh symlink. Any experiences?
> 
> 
> I've been using dash as my /bin/sh for a while now. I've had it installed since
> June 2009, I suppose I've had the symlink set for the same length of time.
> 
> Pretty much all incompatibilities I encountered are fixed now, stuff like
> openrc introducing bashisms (what fun! I never used the debug option of an init
> script before or since), or the Audacity build system having #!/bin/sh but
> using bashisms. I seem to recall that I have one package installed that has this
> problem and requires changing the symlink temporarily, but I don't remember
> which. It might have been fixed by now, though.
> 
> Also, the old mysql-init-scripts-1.2 package requires bash, in case that matters
> to you.
> 
> So I don't think you should expect any problems (save for the rare exception),
> and for me there was a noticeable speedup with the init system (also reported
> by Flameeyes in his blog).
> 
>> Thanks in advance!
>> Florian Philipp
> 
> HTH

Hi Marc,

thanks for the info! I've tried it on one of my systems and in my
measurements, it definitely scraped off a few seconds of the reboot cycle.

Regards,
Florian Philipp


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Re: [gentoo-user] eselect sh set dash?

[Florian Philipp]

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Am 01.05.2012 18:53, schrieb Florian Philipp:
> Am 29.04.2012 16:04, schrieb Marc Joliet:
>> Am Sun, 29 Apr 2012 00:20:41 +0200
>> schrieb Florian Philipp <lists@binarywings.net>:
>>
>>> Hi list!
>>
>> Hi,
>>  
>>> Now that eselect-sh has been stabilized, I'm wondering if anyone has
>>> tried setting dash as the /bin/sh symlink. Any experiences?
>>
>>
>> I've been using dash as my /bin/sh for a while now. I've had it installed since
>> June 2009, I suppose I've had the symlink set for the same length of time.
>>
>> Pretty much all incompatibilities I encountered are fixed now, stuff like
>> openrc introducing bashisms (what fun! I never used the debug option of an init
>> script before or since), or the Audacity build system having #!/bin/sh but
>> using bashisms. I seem to recall that I have one package installed that has this
>> problem and requires changing the symlink temporarily, but I don't remember
>> which. It might have been fixed by now, though.
>>
>> Also, the old mysql-init-scripts-1.2 package requires bash, in case that matters
>> to you.
>>

The dmcrypt init script also has a single bashism. A bug about this has
been open for quiet some time now:
https://bugs.gentoo.org/show_bug.cgi?id=408117

>> So I don't think you should expect any problems (save for the rare exception),
>> and for me there was a noticeable speedup with the init system (also reported
>> by Flameeyes in his blog).
>>
>>> Thanks in advance!
>>> Florian Philipp
>>
>> HTH
> 
> Hi Marc,
> 
> thanks for the info! I've tried it on one of my systems and in my
> measurements, it definitely scraped off a few seconds of the reboot cycle.
> 
> Regards,
> Florian Philipp

I suggest that anyone who wants to switch tries something like this
before rebooting to see if the init scripts can be parsed by dash:

for i in /etc/init.d/*; do printf '%s\t' "$i"; "$i" status; done

Regards,
Florian Philipp


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[gentoo-user] «-»: [gentoo-user] eselect sh set dash?

[Samuraiii]

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Hi All,
also readahead-list has some problems with dash as sh.
S



On 2012-05-05 11:17, Florian Philipp wrote:
> Am 01.05.2012 18:53, schrieb Florian Philipp:
>> Am 29.04.2012 16:04, schrieb Marc Joliet:
>>> Am Sun, 29 Apr 2012 00:20:41 +0200
>>> schrieb Florian Philipp <lists@binarywings.net>:
>>>
>>>> Hi list!
>>> Hi,
>>>  
>>>> Now that eselect-sh has been stabilized, I'm wondering if anyone has
>>>> tried setting dash as the /bin/sh symlink. Any experiences?
>>> I've been using dash as my /bin/sh for a while now. I've had it installed since
>>> June 2009, I suppose I've had the symlink set for the same length of time.
>>>
>>> Pretty much all incompatibilities I encountered are fixed now, stuff like
>>> openrc introducing bashisms (what fun! I never used the debug option of an init
>>> script before or since), or the Audacity build system having #!/bin/sh but
>>> using bashisms. I seem to recall that I have one package installed that has this
>>> problem and requires changing the symlink temporarily, but I don't remember
>>> which. It might have been fixed by now, though.
>>>
>>> Also, the old mysql-init-scripts-1.2 package requires bash, in case that matters
>>> to you.
>>>
> The dmcrypt init script also has a single bashism. A bug about this has
> been open for quiet some time now:
> https://bugs.gentoo.org/show_bug.cgi?id=408117
>
>>> So I don't think you should expect any problems (save for the rare exception),
>>> and for me there was a noticeable speedup with the init system (also reported
>>> by Flameeyes in his blog).
>>>
>>>> Thanks in advance!
>>>> Florian Philipp
>>> HTH
>> Hi Marc,
>>
>> thanks for the info! I've tried it on one of my systems and in my
>> measurements, it definitely scraped off a few seconds of the reboot cycle.
>>
>> Regards,
>> Florian Philipp
> I suggest that anyone who wants to switch tries something like this
> before rebooting to see if the init scripts can be parsed by dash:
>
> for i in /etc/init.d/*; do printf '%s\t' "$i"; "$i" status; done
>
> Regards,
> Florian Philipp
>

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