From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#17949: 24.3; .dir-locals.el needs a way to construct paths relative to its own location Date: Sat, 29 May 2021 07:09:09 +0200 Message-ID: <874kemt9ca.fsf@gnus.org> References: <878uo7pl0x.fsf@naesten.mooo.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32458"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Samuel Bronson , 17949@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat May 29 07:10:25 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 1lmrEu-0008E1-QO for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 29 May 2021 07:10:24 +0200 Original-Received: from localhost ([::1]:44520 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lmrEs-0003PW-PZ for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 29 May 2021 01:10:22 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59188) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lmrEZ-0003Ok-DR for bug-gnu-emacs@gnu.org; Sat, 29 May 2021 01:10:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:44179) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lmrEY-0001Hg-H9 for bug-gnu-emacs@gnu.org; Sat, 29 May 2021 01:10:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lmrEY-0007kS-Bu for bug-gnu-emacs@gnu.org; Sat, 29 May 2021 01:10:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 29 May 2021 05:10:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17949 X-GNU-PR-Package: emacs Original-Received: via spool by 17949-submit@debbugs.gnu.org id=B17949.162226496129709 (code B ref 17949); Sat, 29 May 2021 05:10:02 +0000 Original-Received: (at 17949) by debbugs.gnu.org; 29 May 2021 05:09:21 +0000 Original-Received: from localhost ([127.0.0.1]:55722 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lmrDt-0007j7-FM for submit@debbugs.gnu.org; Sat, 29 May 2021 01:09:21 -0400 Original-Received: from quimby.gnus.org ([95.216.78.240]:34938) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lmrDq-0007im-SD for 17949@debbugs.gnu.org; Sat, 29 May 2021 01:09:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=MN64S79vE4VAkR74CjtZPWnwNQM1g7YNhW5O8RxtFeY=; b=LRkCc24+rPJCIUBm1xdgJT14Gd hdL+8XpnFC1fwexrqQ1RkaM3TvkgAy/2jYqmodkF7n+NWvvqiASibrciGKYwBGDdHUwDEu+pljI+u An063naJ7DCnTxBYTbzCGAThBlNL0/ntPD1mNg6E42G4shR4WetW4RYH9rHCR7jo1wD4=; Original-Received: from cm-84.212.220.105.getinternet.no ([84.212.220.105] helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lmrDh-0001jW-Tf; Sat, 29 May 2021 07:09:12 +0200 X-Now-Playing: Joni Mitchell's _For The Roses_: "Blonde In The Bleachers" In-Reply-To: (Stefan Monnier's message of "Tue, 08 Jul 2014 14:17:41 -0400") 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:207496 Archived-At: Stefan Monnier writes: >> Sometimes, I want to use .dir-locals.el to set a variable to refer to a >> specific file within the tree in question, independantly of how deep in >> that tree the file in question actually is. > > You could use something like: > > (eval (setq-local my-var > (expand-file-name "etc/foo" > (locate-dominating-file > default-directory ".dir-locals.el")))) > >> Perhaps using a form something like: >> ,(expand-file-name "etc/foo.bar" dir-locals-directory) > > Problem is security: the .dir-local.el file might not be under your > control, so we don't want to run arbitrary code. The "eval" option > above of course suffers from the same problem, but at least it's the > official existing way to run arbitrary code, which means it doesn't run > that code silently unless you've previous accepted it as "safe". > > This said, it might indeed be handy to be able to use , like you suggest > (tho it too would need to go though some "security check", of course). , as syntactic sugar here would be nice, but I'm thinking the added complexity here wouldn't be worth it (since we already have the `eval' method here). So I'm closing this bug report. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no