GNU bug report logs - #12357
24.2; list-load-path-shadow should ignore .dir-locals.el

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Message #14 received at 12357 <at> debbugs.gnu.org (full text, mbox):

From: Johan Claesson <johanclaesson <at> bredband.net>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 12357 <at> debbugs.gnu.org
Subject: Re: bug#12357: 24.2;
	list-load-path-shadow should ignore .dir-locals.el
Date: Sat, 08 Sep 2012 16:08:03 +0200

I did not think about that kind of shadowing.  I agree that would also
be nice to have reported.  But i think it is a different thing.  Also
it could be that the user wants the lower dir-locals file to shadow the
higher one.  But i guess no user wants one lisp file to shadow another
in the load-path.  

Maybe a separate command could search for dir-local files shadowing
other dir-local files for a given directory or list of directories.
(I could submit such a function.)

I usually run list-load-path-shadows in the same go as compiling my
elisp directory and just like it is nice to have no compiler warnings it
is nice to have no shadow warnings.

Regards,

/Johan


Glenn Morris <rgm <at> gnu.org> writes:

> Johan Claesson wrote:
>
>> A minor suggestion for shadow.el.  list-load-path-shadows will detect
>> if there are two lisp files with the same name in the load-path.  Such
>> a clash could cause problems for normal lisp files.  But i think it is
>> normal to have multiple .dir-locals.el files spread across the
>> load-path.  In order to avoid false warnings list-load-path-shadows
>> could ignore the special file name .dir-locals.el.
>
> I think you are right, but if any one given directory has more than one
> dir-locals file above it in the directory tree, then the "lowest" one
> does indeed shadow all the "higher" ones. So it might be good to still
> report such cases?

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