From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: file-equal-p Date: Fri, 17 Feb 2023 15:07:20 +0800 Message-ID: <87h6vkojmf.fsf@yahoo.com> References: <87a61es8fh.fsf.ref@yahoo.com> <87a61es8fh.fsf@yahoo.com> <83fsb681me.fsf@gnu.org> <87pmaaq9ua.fsf@yahoo.com> <838rgy7ztf.fsf@gnu.org> <874jrmq6bw.fsf@yahoo.com> <83357596a0.fsf@gnu.org> <87pma9pz5v.fsf@yahoo.com> <83wn4h3ho6.fsf@gnu.org> <878rgxovyc.fsf@yahoo.com> <831qmo3iz2.fsf@gnu.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="12853"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Feb 17 08:10:35 2023 Return-path: Envelope-to: ged-emacs-devel@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 1pSut8-0003DN-EN for ged-emacs-devel@m.gmane-mx.org; Fri, 17 Feb 2023 08:10:34 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pSusQ-0002wS-Ob; Fri, 17 Feb 2023 02:09:50 -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 1pSusP-0002w2-16 for emacs-devel@gnu.org; Fri, 17 Feb 2023 02:09:49 -0500 Original-Received: from sonic313-37.consmr.mail.ne1.yahoo.com ([66.163.185.60]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pSusM-0001BS-5w for emacs-devel@gnu.org; Fri, 17 Feb 2023 02:09:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1676617783; bh=nENGYiMFs62DGqjzszfByURE7DEPPgGmK5ACPeHeA7w=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From:Subject:Reply-To; b=AElMJd0pz2L9Nashohow5mzX0Utx0xc8JEwSHsw3sLWgzryXQwvdLt6qazWORLXPm1LdJ1uKXJpen60PO9jziRtDmQYjLAfWqTLmj9WQZIbeneECp80ao3Y3/9xywhu+jOjUjggqccofvjB/cL0PrycJQGfiqrEIQmuO37Kz/qYX4NVSjBGzsMNk3jYHsX2h12f06paABTmd6yxNmmC+MZuzXy8XItK4qHLz78Z0uog5Lw6/5IR4YWQiA6z6B5cRV3MigQgWl0z1EdOzd8UPKtwPzK1n43700C3pgPWhVbMfnFnZzeayxzjD9STuAPd7U/zEf6A+sph8sd7crjmjQA== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1676617783; bh=s/CTTXH5pIvvmSKNEoEupqIYr7ii1iz/ipJGYAPd+Xs=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=G/fVvhRZl0/7md+0pyhY9OPWwz9xnnHbbvySGKRaE0NIZTS55MWJFc/5wmx1ErUGV3Z7oydsDix1hMETpvMTnr3ZVfCHmk4ou01vc5tcD48MwrhVa8vmPHFrB936U3JY5Pyfa+8yK+pWKswBG9QB+jPjTbH+AJ3LAxHqhGn1teFG4gN4Q/6HAzj1mgG8475s7F4w318DhakjhYnrDxg2cYLRcI/6iZ4eCSYWQ/3HlD21bBMbP3dqMlUuiALeSKs9j+45JibtHdhHgJB+lb+0XlQ1qh8b9ndPmxOXFprwgGIAQUHrNEDPMYEWD2jVE634SKeGp3fRnF3hyrEjZSbtfw== X-YMail-OSG: VG18oR0VM1n0lYen3pIUz7ZxkqgWSE0SAIYz1P.AVz_lgs5zlPx70WdrDQc6GuX F0c6KpW3n3Pu0iEooMtMNo7HjhM7gDra_OaYLLXF3kUTcH4KXkmtG04b2asuSIxz2Yqz_DBpWCOc rTc8flmoRf7V1IXFMWPaxqh7f9rIW50i5ipjJ1jFL3TShzC46PYXeIy1YXyZohyVHfyrJssq5VXJ MealLuc.uUYljJ5T5H08g2Vmzlj8TDL2ldn3BFQqsY49d9gA6m_8Si10DOVyYEOxrRNoYyqiB0pb c0bMLIySp10zOE5Z6o.MDoWWwPAlqj3YuaSX1WGOsxAPNmSy1qnhLQk9h0toss3LzGmBctZQMIFb G3UeTuVdJ4jjfG8ovu1fL7ZYZ.bMWqCju8fwh4UJePrhZLhKADHCaClHUGdl17W9L20HaJHHxMCy DzRo8xYB5mjKsAO23koUhQc59AbY3Dzj6QejNc_2Oh2Hpya9.ky5NcjpXP09dTqW1XnduA5rnPcS zFK29aRJy9s1yI_GCiDTHPUahdJVTo4WayE4LqGKUNLiHn21zsoMdkBP4PQ_hy10M_m1WivCqlk4 ioST.uUNhvR_ylSUBsHNrdQcIraE34C2ioZnBVFhff0guaEVdkPREcHgiyGRFqmmwguTmWwuwhEI grdxUZWzv8dN5mbbA3xsF6qzmv8GDVtFRq10pgPZ27ZFstBg.FUO8pEXL6I904pFSM5aFlKAZuQo wJKidovZMgP4SIzf2rZQTFWMg1BpjvM7desLUSdI8xANTkwFJhwAoH3Rnq_QuBV4N2gjnZEycyuw GZz..t.xL8ZfzFX2o_COq80HppOGl_h.SmO8qg4tVw X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic313.consmr.mail.ne1.yahoo.com with HTTP; Fri, 17 Feb 2023 07:09:43 +0000 Original-Received: by hermes--production-sg3-9fc5746c8-vmkgs (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID f12d9339b37271119500886165714449; Fri, 17 Feb 2023 07:07:40 +0000 (UTC) In-Reply-To: <831qmo3iz2.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 17 Feb 2023 08:26:57 +0200") X-Mailer: WebService/1.1.21183 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.185.60; envelope-from=luangruo@yahoo.com; helo=sonic313-37.consmr.mail.ne1.yahoo.com 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:303453 Archived-At: Eli Zaretskii writes: > It takes non-zero CPU time. > > Anyway, why would you object to a simple request to re-arrange your > change slightly? I don't understand why such a simple request needs > several messages to discuss, even if you don't consider the request > necessary? Don't we both have more useful things to invest our time?" I was afraid I was missing something more significant about file-available-p. Anyway, how's this: diff --git a/lisp/files.el b/lisp/files.el index b0ec6bb09d0..5b989902bc3 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -6360,7 +6360,18 @@ file-equal-p (let (f1-attr f2-attr) (and (setq f1-attr (file-attributes (file-truename file1))) (setq f2-attr (file-attributes (file-truename file2))) - (equal f1-attr f2-attr)))))) + (progn + ;; Haiku systems change the file's last access timestamp + ;; every time `stat' is called. Make sure to not compare + ;; the timestamps in that case. + (or (equal f1-attr f2-attr) + (when (and (eq system-type 'haiku) + (consp (nthcdr 4 f1-attr)) + (consp (nthcdr 4 f2-attr))) + (ignore-errors + (setcar (nthcdr 4 f1-attr) nil) + (setcar (nthcdr 4 f2-attr) nil)) + (equal f1-attr f2-attr))))))))) (defun file-in-directory-p (file dir) "Return non-nil if DIR is a parent directory of FILE.