From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Albinus <michael.albinus@gmx.de>
Subject: Re: [Patch] org-display-inline-images: Add support for remote images
Date: Tue, 25 Nov 2014 18:04:49 +0100
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	(Kit-Yan Choi's message of "Tue, 25 Nov 2014 10:45:50 -0500")
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To: Kit-Yan Choi <kit@kychoi.org>
Cc: emacs-orgmode@gnu.org

Kit-Yan Choi <kit@kychoi.org> writes:

> Michael,

Hi Kit,

> Thanks for the suggestion. Indeed `file-local-copy' would have made
> the code cleaner. Yet `file-local-copy' generates a new filename each
> time it's run. But I wanted to allow the code to check whether the
> remote image has already been fetched before and so skip unnecessary
> file transfer, which takes time (think of it like "rsync -a").
> Therefore I wanted to preserve the remote path under a temporary
> directory.

After first retrieval via file-local-copy, you could cache this
information somewhere for later use.

Or you could write a ticket towards Tramp, that file-local-copy shall
remember that a file was downloaded already, and should offer that file
for reuse.

Note: I'm the Tramp maintainer :-)

> Best,
> Kit

Best regards, Michael.