From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.bugs Subject: bug#60264: 29.0.60; Strange file completion candidates for shadowed file paths Date: Tue, 27 Dec 2022 00:16:13 +0000 Message-ID: <314db4a90e6f7bf32684@heytings.org> References: <87ili3xikc.fsf@daniel-mendler.de> <83h6xm8udx.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40212"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Daniel Mendler , Eli Zaretskii , 60264@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Dec 27 01:17:21 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1p9xei-000AFA-FZ for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 27 Dec 2022 01:17:20 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p9xeS-0001XE-7j; Mon, 26 Dec 2022 19:17:04 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p9xeQ-0001X4-Q0 for bug-gnu-emacs@gnu.org; Mon, 26 Dec 2022 19:17:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1p9xeQ-0005JW-B3 for bug-gnu-emacs@gnu.org; Mon, 26 Dec 2022 19:17:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1p9xeP-00071L-Rq for bug-gnu-emacs@gnu.org; Mon, 26 Dec 2022 19:17:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Gregory Heytings Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 27 Dec 2022 00:17:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 60264 X-GNU-PR-Package: emacs Original-Received: via spool by 60264-submit@debbugs.gnu.org id=B60264.167210018026936 (code B ref 60264); Tue, 27 Dec 2022 00:17:01 +0000 Original-Received: (at 60264) by debbugs.gnu.org; 27 Dec 2022 00:16:20 +0000 Original-Received: from localhost ([127.0.0.1]:54367 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p9xdk-00070O-0X for submit@debbugs.gnu.org; Mon, 26 Dec 2022 19:16:20 -0500 Original-Received: from heytings.org ([95.142.160.155]:46792) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1p9xdf-00070C-Lo for 60264@debbugs.gnu.org; Mon, 26 Dec 2022 19:16:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20220101; t=1672100174; bh=T9uVROM78u1uek8bV8JSu80UwtNviZJoi3tEH+Dod4M=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=RVgtTlcvfdw46q5c+4qEhmZponicaK4dOjRJmFNVDJzPC/yXCZLseOJIJu32hxC/A xxWG5sr5u1l0wJPEIInWDVRE2oZKpoGInPT1VUW/tWcDYWw8hSEM5tu2FPALowgm9p 64lAjyOaRi7wUheFsEMBHJt3bdFbiD5D39BDZGRTx1MkOcpW5VJF4jrKooY27V0rrj 1DEDE2FE6yOGYj8LPHau4tY/tch4jqF34emKtEGxc6zlMdEte/gK2IOXUy2kb1OIf+ XRTivFrlVbNCt6SE1YYqksZkfOaZYIaVybAz6kDnWfLtJAKPf6WhZ1/KddrGAbFf5w IXnW0STTc2A+g== In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:251925 Archived-At: This bug was an opportunity to take another journey in the completion routines. Call me a masochist. The bug here (with the "C-x C-f //etc//s TAB" recipe) is that, in completion--twq-all, qboundary is set to 1 instead of 7, because (completion--sifn-requote 1 "//etc//s") returns 1 although (completion--sifn-requote 1 "~/etc//s") returns 7, because (string-prefix-p "/" (substitute-in-file-name "~/")) is nil although (string-prefix-p "/" (substitute-in-file-name "//")) is t. And now I'm lost, because I don't see any safe way to correct that bug. completion--sifn-requote seems to work "as designed", and introducing a specific treatment for this case would break the "treat substitute-in-file-name as a black box as much as possible" rule. Perhaps the fix should go into completion--twq-all instead, but again I don't see how to do that in a safe way. Stefan, do you see anything in your legendary crystal ball?