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The above can only make sense when `dir` doesn't matter. Now done on master, and closing the bug.
Dan Jacobson <jidanni@HIDDEN>:Stefan Kangas <stefankangas@HIDDEN>:
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From: Stefan Monnier <monnier@HIDDEN>
To: Stefan Kangas <stefankangas@HIDDEN>
Subject: Re: bug#71078: rgrep accepts wildcard, then throws it away
In-Reply-To: <CADwFkmkTe+ih9dPEfzHXSEbn4ep+J9p2GSgtxksQfA=d-phCQQ@HIDDEN>
(Stefan Kangas's message of "Mon, 20 May 2024 17:26:08 +0000")
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> (read-directory-name "Base directory: "
> nil default-directory t)
>
> If I give an input like "/tmp* RET" at the prompt, it returns "/tmp/".
>
> What's confusing to me is this part in the docstring of
> `read-directory-name':
>
> Fourth arg MUSTMATCH non-nil means require existing directory=E2=80=
=99s name.
> Non-nil and non-t means also require confirmation after completion.
>
> I think "require existing directory=E2=80=99s name" should be clarified t=
o say:
> "require the user to input an existing directory's name", if that is
> indeed the intention here.
That's indeed the intention (and the way I read it, that's what it says).
> That it removes the "*" character seems to be undocumented, but if
> that's the intended behaviour perhaps it should be clarified too. Hmm.
It does not remove the *. What you're seeing is the effect of
completion (and `partial-completion` treats the * as a wildcard for
completion purposes) so you can also just type `/tm` and it should
return the same thing (provided `/tmp/` is the sole completion).
> I think this is expected, and not a bug, due to this part in grep.el:
>
> (unless (and dir (file-accessible-directory-p dir))
> (setq dir default-directory))
>
> I'd rather it would signal an error in this case, to be honest, because
Agreed. The above can only make sense when `dir` doesn't matter.
Stefan
bug-gnu-emacs@HIDDEN:bug#71078; Package emacs.
Full text available.
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Subject: Re: bug#71078: rgrep accepts wildcard, then throws it away
To: Dan Jacobson <jidanni@HIDDEN>, 71078 <at> debbugs.gnu.org
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Dan Jacobson <jidanni@HIDDEN> writes:
> When rgrep asks for the Base directory, and the user gives a wildcard,
> Base directory: /usr/share/doc/exim4*
> it is thrown away, and this instead gets run:
> (rgrep "minimaldns" "* .*" "/usr/share/doc/exim4")
>
> In fact this is a very special case, as there happens to be a directory
> with just that name,
>
> /usr/share/doc:
> wildcard exim4*
> drwxr-xr-x 2 4096 04-13 07:09 exim4-daemon-light
> drwxr-xr-x 3 4096 04-13 07:09 exim4-base
> drwxr-xr-x 3 4096 04-13 07:09 exim4-config
> drwxr-xr-x 2 4096 2023-11-07 exim4-doc-info
> drwxr-xr-x 3 4096 2023-11-07 exim4-doc-html
> lrwxrwxrwx 1 10 2016-12-08 exim4 -> exim4-base
>
> Normally rgrep won't let the user even proceed if e.g., the user just gav=
e
> Base directory: /usr/share/doc/exi*
> but in the case where there is in fact a directory that matches exim4,
> the "*" gets thrown away!
That's just how this call works:
(read-directory-name "Base directory: "
nil default-directory t)
If I give an input like "/tmp* RET" at the prompt, it returns "/tmp/".
What's confusing to me is this part in the docstring of
`read-directory-name':
Fourth arg MUSTMATCH non-nil means require existing directory=E2=80=99s=
name.
Non-nil and non-t means also require confirmation after completion.
I think "require existing directory=E2=80=99s name" should be clarified to =
say:
"require the user to input an existing directory's name", if that is
indeed the intention here.
That it removes the "*" character seems to be undocumented, but if
that's the intended behaviour perhaps it should be clarified too. Hmm.
Eli, Stefan, any thoughts here?
> In fact if we do add the * here,
> (rgrep "minimaldns" "* .*" "/usr/share/doc/exim4*")
> and do ^X^E, we end up searching ~/ !
I think this is expected, and not a bug, due to this part in grep.el:
(unless (and dir (file-accessible-directory-p dir))
(setq dir default-directory))
I'd rather it would signal an error in this case, to be honest, because
I'm not sure it makes much sense to make the function this DWIM-y. It'd
be good to hear what other people think about this also.
bug-gnu-emacs@HIDDEN:bug#71078; Package emacs.
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Mon, 20 May 2024 19:48:54 +0800 From: Dan Jacobson <jidanni@HIDDEN> To: bug-gnu-emacs@HIDDEN Subject: rgrep accepts wildcard, then throws it away Date: Mon, 20 May 2024 19:48:53 +0800 Message-ID: <877cfowvoa.5.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=23.83.218.249; envelope-from=jidanni@HIDDEN; helo=poodle.tulip.relay.mailchannels.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.4 (-) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.4 (--) When rgrep asks for the Base directory, and the user gives a wildcard, Base directory: /usr/share/doc/exim4* it is thrown away, and this instead gets run: (rgrep "minimaldns" "* .*" "/usr/share/doc/exim4") In fact this is a very special case, as there happens to be a directory with just that name, /usr/share/doc: wildcard exim4* drwxr-xr-x 2 4096 04-13 07:09 exim4-daemon-light drwxr-xr-x 3 4096 04-13 07:09 exim4-base drwxr-xr-x 3 4096 04-13 07:09 exim4-config drwxr-xr-x 2 4096 2023-11-07 exim4-doc-info drwxr-xr-x 3 4096 2023-11-07 exim4-doc-html lrwxrwxrwx 1 10 2016-12-08 exim4 -> exim4-base Normally rgrep won't let the user even proceed if e.g., the user just gave Base directory: /usr/share/doc/exi* but in the case where there is in fact a directory that matches exim4, the "*" gets thrown away! In fact if we do add the * here, (rgrep "minimaldns" "* .*" "/usr/share/doc/exim4*") and do ^X^E, we end up searching ~/ ! emacs-version "29.3"
Dan Jacobson <jidanni@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#71078; Package emacs.
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