From: Lars Ingebrigtsen <larsi@gnus.org>
To: Phil Hagelberg <phil@hagelb.org>
Cc: 49918@debbugs.gnu.org
Subject: bug#49918: 28.0.50; cd function expands CDPATH incorrectly
Date: Sat, 07 Aug 2021 12:51:22 +0200 [thread overview]
Message-ID: <87wnox7ck5.fsf@gnus.org> (raw)
In-Reply-To: <87lf5eyrvx.fsf@hagelb.org> (Phil Hagelberg's message of "Fri, 06 Aug 2021 18:18:10 -0700")
Phil Hagelberg <phil@hagelb.org> writes:
> When using the function `cd' with a relative path and the $CDPATH
> environment variable set, it will expand the value of $CDPATH once and
> save off that expansion for future use. This causes all calls with
> relative paths to fail when run from a different directory.
>
> This reproduces the problem using eshell, but the bug affects any caller
> of the `cd' function, not just eshell. However, it does not affect M-x
> cd, which will always use absolute paths.
>
> CDPATH=.:$HOME/src emacs -Q
> M-x eshell
> cd /
> cd tmp
> No such directory found via CDPATH environment variable: tmp
>
> This happens because of this snippet inside the `cd' function:
>
> (unless cd-path
> (setq cd-path (or (parse-colon-path (getenv "CDPATH"))
> (list "./"))))
Yup. Thanks for the detailed analysis.
This should now be fixed in Emacs 28.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
next prev parent reply other threads:[~2021-08-07 10:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-07 1:18 bug#49918: 28.0.50; cd function expands CDPATH incorrectly Phil Hagelberg
2021-08-07 10:51 ` Lars Ingebrigtsen [this message]
2021-08-07 12:17 ` Eli Zaretskii
2021-08-07 15:50 ` Phil Hagelberg
2021-08-08 12:42 ` Lars Ingebrigtsen
2021-08-08 14:32 ` Eli Zaretskii
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