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

[Florian Philipp]

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@×××××××××××.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