Dash as default shell

Ian Malone ibmalone at gmail.com
Mon Oct 6 16:23:57 UTC 2014

On 6 October 2014 16:57, Miloslav Trmač <mitr at redhat.com> wrote:
> ----- Original Message -----
>> On Fri, Oct 03, 2014 at 02:29:53PM -0600, Orion Poplawski wrote:
>> > >Is it worth considering using Dash as the default (non-interactive)
>> > >shell in Fedora?  Other distributions including Ubuntu and Debian
>> > >(https://lwn.net/Articles/343924/) have been using dash as the default
>> > >shell and Android uses mksh.  While this appears to have been done
>> > >primary to increase bootup efficiency (which is not relevant with
>> > >systemd), it might help with security
>> >
>> > More bashism's in .spec files:
>> > + pushd src
>> > /tmp/rpm/rpm-tmp.047Jay: 43: /tmp/rpm/rpm-tmp.047Jay: pushd: not found
>> All the other things aside, I think it'd be fine for us to leave bash as the
>> shell for spec file scripts even if we changed /bin/sh and/or the root
>> shell.
> At that point switching anything to dash can _only increase_, not reduce, the disk space needed, and is very likely to increase the total page cache usage/requirement as well.  Bringing the benefits of supporting dash to… the satisfaction of pedantically using the POSIX /bin/sh path as frequently as possible?

Also known as portability, compatibility and transparency. Do we
encourage people to turn compiler warnings off?


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