On 5/10/07, Junio C Hamano <junkio@cox.net> wrote:
quoted text
> Dan Nicholson <dbn.lists@gmail.com> writes:
>
> > In fact, all POSIX shells should support `cd -P' according to the spec, so it
> > should probably just be used directly instead of hoping that /bin/pwd exists.
> >
> > (cd -P "" && (cd .git ; pwd)) 2>/dev/null
> >
> > http://www.opengroup.org/onlinepubs/009695399/utilities/cd.html
>
> Yes but no ;-).  I've said this a few times on the list in the
> past, but I'll repeat it again for new people.
>
> We reject something whose portability in question by saying
> "It's not _even in_ POSIX".  We on the other hand try to refrain
> from saying "POSIX says you are supposed to have it, so screw
> people that are not fully POSIX".

Yes, I suppose. At the same time, git already implicitly requires more
than, say, a Bourne shell. Functions, $( ) command substitution, ${}
parameter expansion, $(( )) arithmetic expansion, etc. These are all
standard in a POSIX shell, but may or may not exist in other shell
variants.

--
Dan
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