bug#8159: file-name-sans-version fails for some git files

[Reuben Thomas]

On 3 March 2011 03:58, Eli Zaretskii <eliz@gnu.org> wrote:
>> Date: Wed, 2 Mar 2011 22:31:12 +0000
>> From: Reuben Thomas <rrt@sc3d.org>
>> Cc:
>>
>> filenames like foo.js.~HEAD~1~ aren't handled properly because of the
>> internal tilde.
>
> What would be the "proper" handling of such a file name?  What is the
> "version" here?

The version is HEAD~1, so the only difference from supported version
formats is the internal tilde.

I can't see (yet) how this doesn't work with backup file names. In
particular, it can't be mistaken for a numbered backup file, since it
doesn't end `.~%d~'; on the other hand, both the simple backup suffix
~ and numeric backups suffix `.~%d~' are still correctly stripped by
my modified file-name-sans-versions.

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