GNU bug report logs - #23436
[PATCH] Use the true name of a file to determine responsible vc.

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Hong Xu <hong <at> topbug.net>, 23436 <at> debbugs.gnu.org
Subject: bug#23436: [PATCH] Attemp to use the true name of a file to determine responsible vc if the genuine name does not work.
Date: Tue, 25 Oct 2016 02:41:31 +0300

On 21.10.2016 02:04, Hong Xu wrote:

> Sorry for the confusion. Either keeping what it was or adding a new
> command [which essentially calls (vc-responsible-backend (vc-follow-link
> file)) ] would be the best option regarding performance.

Shouldn't the command call find-alternate-file instead? Then you can 
continue working with buffer-file-name and default-directory inside the 
symlink target directory. And if you visit any nearby files there, you 
won't have to call the vc-follow-link for each of them again?

What are the downsides to this approach?

> e need to
> clarify that symlinks are not followed in vc-responsible-backend, and If
> the first option is adopted, mention that vc-follow-link should be used
> if link following is desired.

OK, mention where?

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