From: Eli Zaretskii <eliz@gnu.org>
To: Michael Albinus <michael.albinus@gmx.de>
Cc: 68428@debbugs.gnu.org
Subject: bug#68428: 29.1.90; info-xref-tests fails
Date: Mon, 15 Jan 2024 15:32:10 +0200 [thread overview]
Message-ID: <835xzuen8l.fsf@gnu.org> (raw)
In-Reply-To: <87r0ii6c54.fsf@gmx.de> (message from Michael Albinus on Mon, 15 Jan 2024 12:59:03 +0100)
> From: Michael Albinus <michael.albinus@gmx.de>
> Cc: 68428@debbugs.gnu.org
> Date: Mon, 15 Jan 2024 12:59:03 +0100
>
> Well, finally it is another bug. It is in function
> info-xref-subfile-p. This function tries to determine, whether a given
> file is an info subfile.
>
> My emacs-29 branch is checked out in directory /home/albinus/src/emacs-29.
> So there is, for example, a call of
>
> (info-xref-subfile-p "/home/albinus/src/emacs-29/info/auth.info")
>
> The function tries to decompose the filename via the regexp
> "\\`\\(\\([^-]*-\\)*[^-]*\\)-[0-9]+\\(.*\\)\\'". This succeeds, and
> returns
>
> (match-string 1 filename) => "/home/albinus/src/emacs"
> (match-string 3 filename) => "/info/auth.info"
>
> This is wrong. string-match should return nil according to the
> intention. And the call of
>
> (file-exists-p "/home/albinus/src/emacs/info/auth.info")
>
> succeeds also, because my Emacs master branch is located in
> /home/albinus/src/emacs, and therefore
> "/home/albinus/src/emacs/info/auth.info" does exist.
Can you explain why you see the bug and I don't? What exactly
triggers the bug, and why didn't we uncover it until now?
> The appended patch fixes this. Shall I install it in the emacs-29 or the
> master branch?
On master, please. But first I'd like to understand the bug better.
Thanks.
next prev parent reply other threads:[~2024-01-15 13:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-13 16:08 bug#68428: 29.1.90; info-xref-tests fails Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-01-13 18:42 ` Eli Zaretskii
2024-01-14 10:25 ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-01-14 10:41 ` Eli Zaretskii
2024-01-15 11:59 ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-01-15 13:32 ` Eli Zaretskii [this message]
2024-01-15 13:40 ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-01-15 14:03 ` Eli Zaretskii
2024-01-15 15:57 ` Michael Albinus via Bug reports for GNU Emacs, the Swiss army knife of text editors
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