From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#50572: 28.0.50; [PATCH] fix VC to find the responsible backend with the most specific path. Date: Tue, 09 Nov 2021 10:09:19 +0200 Organization: LINKOV.NET Message-ID: <86pmr9u5ts.fsf@mail.linkov.net> References: <877dfkxyt4.fsf@elite.giraud> <87cznef8ah.fsf@gnus.org> <86ilx5iaze.fsf@gmail.com> <87pmrdb0zv.fsf@gnus.org> <86mtmgx6gg.fsf@gmail.com> <87fe707b-f2b4-febd-d2ae-acc697b4cee1@yandex.ru> <87zgqgjeaz.fsf@gnus.org> <87cznbt2r1.fsf@elite.giraud> <87h7cn803w.fsf@gnus.org> <878rxzszl8.fsf@elite.giraud> <877ddiuhv7.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2834"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (x86_64-pc-linux-gnu) Cc: 50572@debbugs.gnu.org, Andy Moreton , Manuel Giraud , Dmitry Gutov To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 09 09:21:13 2021 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 1mkMNU-0000WB-8P for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 09 Nov 2021 09:21:12 +0100 Original-Received: from localhost ([::1]:54736 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkMNS-00035v-IH for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 09 Nov 2021 03:21:10 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:51926) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkMNK-00035f-QH for bug-gnu-emacs@gnu.org; Tue, 09 Nov 2021 03:21:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:49181) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mkMNK-0005sB-I1 for bug-gnu-emacs@gnu.org; Tue, 09 Nov 2021 03:21:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mkMNK-0003df-5A for bug-gnu-emacs@gnu.org; Tue, 09 Nov 2021 03:21:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Juri Linkov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 09 Nov 2021 08:21:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 50572 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 50572-submit@debbugs.gnu.org id=B50572.163644601113896 (code B ref 50572); Tue, 09 Nov 2021 08:21:02 +0000 Original-Received: (at 50572) by debbugs.gnu.org; 9 Nov 2021 08:20:11 +0000 Original-Received: from localhost ([127.0.0.1]:60724 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mkMMV-0003c3-Fb for submit@debbugs.gnu.org; Tue, 09 Nov 2021 03:20:11 -0500 Original-Received: from relay8-d.mail.gandi.net ([217.70.183.201]:51871) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mkMMT-0003bg-8c for 50572@debbugs.gnu.org; Tue, 09 Nov 2021 03:20:09 -0500 Original-Received: (Authenticated sender: juri@linkov.net) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id 9EF691BF20D; Tue, 9 Nov 2021 08:20:00 +0000 (UTC) In-Reply-To: <877ddiuhv7.fsf@gnus.org> (Lars Ingebrigtsen's message of "Tue, 09 Nov 2021 04:29:16 +0100") 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" Xref: news.gmane.io gmane.emacs.bugs:219428 Archived-At: >> I thought that we might already have a function for this. Does counting >> slashes will work with Windows path? > > Hm... Actually, I'm not sure. Perhaps doing a series of > file-name-directory/directory-file-name in a loop (to peel off the > directory components) would be the best algorithm here? And I don't > think we have a function for this -- at least I can't find anything > promising while poking around. ffap-list-env contains such comment: ;; Similar: dired-split, TeX-split-string, and RHOGEE's psg-list-env ;; in ff-paths and bib-cite. The EMPTY arg may help mimic kpathsea. And indeed dired-split is used in dired-aux.el like this: (dired-split "/" dir1) I don't know if this works on Windows.