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bug#40967: 27.0.50; vc-diff in indirect buffers


From: Dmitry Gutov
Subject: bug#40967: 27.0.50; vc-diff in indirect buffers
Date: Wed, 29 Apr 2020 21:13:03 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0

On 29.04.2020 21:01, Nathan Moreau wrote:
Reproduction steps:
===============
run emacs -Q
open any file-under-version-control
M-x clone-indirect-buffer
In the new buffer, run vc-diff fails with `vc-deduce-fileset: Buffer
[...] is not associated with a file`

I'm not sure we really want to support that workflow. Or else a lot of commands would have to be changed the same way, inside and outside of VC.

But opinions welcome.





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