From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.devel Subject: Re: emacs-27 e1e0a7a 2/2: xref--collect-matches: Speed up on remote Date: Sat, 28 Dec 2019 11:09:32 +0100 Message-ID: <87eewopxr7.fsf@gmx.de> References: <20191227141917.13328.16721@vcs0.savannah.gnu.org> <20191227141919.03F1321537@vcs0.savannah.gnu.org> <88d31403-1eb1-e294-4b88-15cacadd52a7@yandex.ru> <87imm1pllt.fsf@gmx.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="99123"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: emacs-devel@gnu.org, Dmitry Gutov To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Dec 28 11:12:32 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1il95D-000Pec-KU for ged-emacs-devel@m.gmane.org; Sat, 28 Dec 2019 11:12:31 +0100 Original-Received: from localhost ([::1]:42286 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1il95B-0006Tp-K2 for ged-emacs-devel@m.gmane.org; Sat, 28 Dec 2019 05:12:29 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35187) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1il92T-0005mm-B0 for emacs-devel@gnu.org; Sat, 28 Dec 2019 05:09:42 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1il92S-0008M9-Aq for emacs-devel@gnu.org; Sat, 28 Dec 2019 05:09:41 -0500 Original-Received: from mout.gmx.net ([212.227.15.18]:54551) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1il92R-0008Bi-Qm for emacs-devel@gnu.org; Sat, 28 Dec 2019 05:09:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1577527774; bh=5MV0CL91AXt3jR/K2XdTtU9U+nlq6epwvVo5qER0TxA=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=YSjYX8d1DIPLVstjBZLq0UgjC6jUv+JCnrxOWFQvg87whfANoBqN+SYbVlHtC14/4 ujSVdTspy1yXUMFFN68F3U/m7G4YvL0T+MHr775OnDloQFK8/gSyFVi/Xxq2B1ybeM 8/yT2X7Sn41BHYJQXwTZABy7ZtfkgKYQHGNvut1w= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from detlef.gmx.de ([212.86.60.58]) by mail.gmx.com (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1N4QsO-1jjGiB3Ty2-011Ri2; Sat, 28 Dec 2019 11:09:33 +0100 In-Reply-To: (Stefan Monnier's message of "Fri, 27 Dec 2019 17:06:11 -0500") X-Provags-ID: V03:K1:ImyTpTRPLzxzuT5MDLr2WzAd7V9f7OWDuBpFOHAw4VRhcDt1OdI af6vaG+KTZDxpFulL1Jt7ZFwv2N6LOP0J0oweQRtLci0IH/nLMStyoiCb/idyHAmRn8U2y1 mMY1f/qemPorp4BEpGDVkqbitI7VJQ+qiy4Jc+KrFstyA/BG+Ee6c/aOfXkdYQ6HVI5is/0 /umzCAlXppLQffRnzoBCw== X-UI-Out-Filterresults: notjunk:1;V03:K0:bP1xUKfM06s=:LxNCD81m/vyT3VqaBxNGin jBLEn8IC3p+9gIn2IlFiRpJjE5lcz7N7mXPVgOIoQspzGjB2vBjD28zhK7fqfck5bOsejc/ln 5SXvXwxVXcgOJd68W2FcGw0dEvBNrU8LgIbwrEqMwZN99bsHsGEo6mFOVpGmSez/7zMxF0EG4 9RlBdk6TyMtjm62YXCjBVf83ExlZYizO9Dij0FcwoHD74ENYZBCZSDj25a/VRWleE74pvl+BN tvS41ABh5Z1VLu649TdPFkg1l7wmCmNGR9S4MTn6x15HxABJa19nt/7cXN5Kfia4oO+EszDzi 1B7JmyRQz6ULO2GqQJA4XbgbyRfZfx3ClSXjvkrgBXTRTuqLsDBH71z8OUvmQmoGJBsWemCR6 8g+JG9XtVazHENglXDsOZk+8LDLLlYeSZYpJxFT8uu+6faRboyrnFstMEDdI6EdR1dmcHzxcV oPRjvCmNO+zQwFLjWA/pv0I7l9fVJ0gCIMNTtjBYKuPezaErkBVCBKzkgRZ7yO3kxLHUhX/Nz jrNCQqYPvyumlYGpynkTKU+Mbcai2O5jYjVYwN7FjpHoYpNeHPJhXEf/wyTPkAuF1Ih2tpTXo wq3A9TmUN12uyrLe1hNb1nZ1UotqvNCBLFyXe/wRQFKmm0IcSfc2+B9QSMT3S1LRXUSxJ5flv jXrUqsWoxkH/ez4uQlIfvu9Lqx389ZFWN1t9SZT+p+33wgbBRqwdiUSUwvV3FKcFoTzaINkCo OiWImclhLViwLVeeP2z0AaubPYYLgX50r9uzE5EWyM7oeOuWFYLWoenyc3ZOgZUduO2ayHd2 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.15.18 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.org gmane.emacs.devel:243726 Archived-At: Stefan Monnier writes: >>> It does go through Tramp for the initial `expand-file-name`, but AFAIK >>> this shouldn't need to talk to the remote host (unless it has a ~/ or >>> ~/ in the remote part of the name, I guess?). >> That's how it is implemented, yes. However, remote file names with a >> relative localname part, are also expanded via prepending "~/" to the >> localname. For performance reasons it is better to avoid such file names. > > In the context of `xref--collect-matches`, I'd expect the file name passed > to `get-file-buffer` to be either fully expanded file names or relative > file names (with a fully expanded `default-directory`), so in that case > `expand-file-name` should presumably "always" return without contacting > the remote host, right? Should be, yes. And according to some short tests, Tramp behaves like this. > Stefan Best regards, Michael.