GNU bug report logs - #30243
26.0.91; Infinite recursion in `make-auto-save-file-name' for quoted filenames

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From: Philipp Stephani <p.stephani2 <at> gmail.com>
To: Noam Postavsky <npostavs <at> users.sourceforge.net>
Cc: 30243 <at> debbugs.gnu.org, phst <at> a.muc.corp.google.com
Subject: bug#30243: 26.0.91; Infinite recursion in `make-auto-save-file-name' for quoted filenames
Date: Wed, 24 Jan 2018 23:25:34 +0000

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Noam Postavsky <npostavs <at> users.sourceforge.net> schrieb am Do., 25. Jan.
2018 um 00:04 Uhr:

> Philipp Stephani <p.stephani2 <at> gmail.com> writes:
>
> > Since this commit was a bug fix for a related issue with quoted file
> > names, reverting it is probably not the best way forward. We should
> > push a fix and make a new pretest.
>
> The following seems to fix it.  We should review other file handler
> operations of course, but can we really expect to learn anything from
> another pretest?
>
> --- i/lisp/files.el
> +++ w/lisp/files.el
> @@ -7004,6 +7004,11 @@ file-name-non-special
>                 (expand-file-name
>                  (unhandled-file-name-directory default-directory)))
>              default-directory))
> +         (buffer-file-name
> +          (if (and (memq operation '(make-auto-save-file-name))
> +                   (string-match "\\`/:" buffer-file-name))
> +              (substring buffer-file-name (match-end 0))
> +            buffer-file-name))
>          ;; Get a list of the indices of the args which are file names.
>          (file-arg-indices
>           (cdr (or (assq operation
>

Thanks, when you commit this, could you please also add a regression test
so we don't reintroduce the bug later?

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