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Date: Mon, 24 Oct 2005 22:53:52 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Yitzchak Scott-Thoennes <sthoenna AT efn DOT org>
cc: cygwin AT cygwin DOT com
Subject: Re: textmount/binmount issue
In-Reply-To: <20051025002252.GA3656@efn.org>
Message-ID: <Pine.GSO.4.63.0510242232020.19861@slinky.cs.nyu.edu>
References: <3E1FDC960FE04A4E96892B9023622A4E046B4761 AT de010369 DOT de DOT ina DOT com>  <Pine DOT GSO DOT 4 DOT 63 DOT 0510241103330 DOT 27005 AT slinky DOT cs DOT nyu DOT edu> <20051024200517 DOT GA1952 AT efn DOT org>  <Pine DOT GSO DOT 4 DOT 63 DOT 0510241750310 DOT 29605 AT slinky DOT cs DOT nyu DOT edu> <20051025002252 DOT GA3656 AT efn DOT org>
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On Mon, 24 Oct 2005, Yitzchak Scott-Thoennes wrote:

> On Mon, Oct 24, 2005 at 05:56:36PM -0400, Igor Pechtchanski wrote:
> > On Mon, 24 Oct 2005, Yitzchak Scott-Thoennes wrote:
> >
> > > On Mon, Oct 24, 2005 at 11:05:13AM -0400, Igor Pechtchanski wrote:
> > > > Looks like the cygdrive prefix takes precedence over explicit mounts.
> > > > This is arguably a bug.  <http://cygwin.com/acronyms/#PTC>.
> > > > Corinna or Chris, care to comment?
> > >
> > > My name doesn't start with C, but I will comment that if the precedence
> > > went the other way, a mount like:
> > >
> > >   mount c:/foo /cygdrive/d
> > >
> > > would make a windows path d:\bar have no posix translation.
> >
> > How is this different from
> >
> > mount c:/baz /somemount
> > mount c:/foo /somemount/d
> >
> > (except for the fact that /cygdrive/d is an automount)?  I'm actually not
> > sure what's meant by "posix translation" in this context...
>
> For example, assume a windows PATH=d:\bar.  What does a cygwin program
> convert PATH to at startup?  There would be no equivlent, since
> /cygdrive/d/bar would mean c:/foo/bar, not d:/bar.

Ah, I see.  Well, one solution is to disallow mounting over directories
under the /cygdrive prefix (which is a good idea anyway, as it'll wreak
havoc even in the current case).  Yes, I know, PTC...
	Igor
-- 
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     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

If there's any real truth it's that the entire multidimensional infinity
of the Universe is almost certainly being run by a bunch of maniacs. /DA

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