From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Optional argument for `file-local-copy' Date: Tue, 02 Dec 2014 15:55:33 -0500 Message-ID: References: <871tom5jou.fsf@gmx.de> <83bnnqb1lo.fsf@gnu.org> <20141129140856.GA3752@acm.acm> <83a93aax58.fsf@gnu.org> <20141129153320.GC3752@acm.acm> <87d2853q5i.fsf@gmx.de> <87k32cbo06.fsf@gmx.de> <87k32ahzmt.fsf@gmx.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1417553802 5754 80.91.229.3 (2 Dec 2014 20:56:42 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 2 Dec 2014 20:56:42 +0000 (UTC) Cc: Alan Mackenzie , Eli Zaretskii , emacs-devel@gnu.org To: Michael Albinus Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Dec 02 21:56:35 2014 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XvuUn-0003gE-Cj for ged-emacs-devel@m.gmane.org; Tue, 02 Dec 2014 21:56:29 +0100 Original-Received: from localhost ([::1]:38771 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XvuUn-0008AB-2h for ged-emacs-devel@m.gmane.org; Tue, 02 Dec 2014 15:56:29 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44798) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XvuUc-00089A-JB for emacs-devel@gnu.org; Tue, 02 Dec 2014 15:56:26 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XvuUU-0003jx-Az for emacs-devel@gnu.org; Tue, 02 Dec 2014 15:56:18 -0500 Original-Received: from mercure.iro.umontreal.ca ([132.204.24.67]:45347) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XvuUL-0003ew-M2; Tue, 02 Dec 2014 15:56:01 -0500 Original-Received: from hidalgo.iro.umontreal.ca (hidalgo.iro.umontreal.ca [132.204.27.50]) by mercure.iro.umontreal.ca (Postfix) with ESMTP id 868B48505A; Tue, 2 Dec 2014 15:56:00 -0500 (EST) Original-Received: from lechon.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by hidalgo.iro.umontreal.ca (Postfix) with ESMTP id B69411E5B8A; Tue, 2 Dec 2014 15:55:33 -0500 (EST) Original-Received: by lechon.iro.umontreal.ca (Postfix, from userid 20848) id 9AB05B40D3; Tue, 2 Dec 2014 15:55:33 -0500 (EST) In-Reply-To: <87k32ahzmt.fsf@gmx.de> (Michael Albinus's message of "Tue, 02 Dec 2014 15:53:14 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-DIRO-MailScanner-Information: Please contact the ISP for more information X-DIRO-MailScanner: Found to be clean X-DIRO-MailScanner-SpamCheck: n'est pas un polluriel, SpamAssassin (score=-2.82, requis 5, autolearn=not spam, ALL_TRUSTED -2.82, MC_TSTLAST 0.00) X-DIRO-MailScanner-From: monnier@iro.umontreal.ca X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 132.204.24.67 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:178703 Archived-At: >>> The caller does not need to know whether a file is cached. File name >>> handlers implementation shall keep *always* the information about a >>> local copy of a remote file (the local name, the result of >>> file-attributes of the remote file). >> That means that the file-local-copy handlers *always* have to obey >> REUSE-IF-ALREADY-EXISTS, rather only doing so if they use a cache. > Well, it does not need to obey that argument. No: if the handler ignores the argument and the caller doesn't delete the file, we're left with a garbage file that noone will delete. Stefan