GNU bug report logs - #3911
get-free-disk-space race condition on default-directory test

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From: Kevin Ryde <user42 <at> zip.com.au>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 3911 <at> debbugs.gnu.org
Subject: bug#3911: get-free-disk-space when default-directory doesn't exist
Date: Mon, 07 Sep 2009 10:28:47 +1000

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:
>
> Right now, it is.

Prospective remote support isn't a reason to leave it dodgy for locals
now is it?

> `process-file'

The cd in tramp-handle-process-file will have the same problem as the
local cd in call-process.  If there has to be a cd then it should be a
safe place like the root dir or similar.

Perhaps default-directory as the remote root dir would get close.  Is
there a func to figure that?  Except I think remote support should go
through the file-name-handler thingie to allow for remotes with their
own free-space query mechanism, rather than running "df" (or assuming
that `directory-free-space-program' for the local machine is also good
on the remote, etc).

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