From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: master 6d6bf46 2/2: Make dired-do-compress work for *.tar.gz files Date: Wed, 14 Oct 2015 08:17:16 -0700 Organization: UCLA Computer Science Department Message-ID: <561E71FC.4010302@cs.ucla.edu> References: <20151013135354.28594.43074@vcs.savannah.gnu.org> <561D4FC1.8010107@cs.ucla.edu> <87bnc1op9l.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1444835933 27488 80.91.229.3 (14 Oct 2015 15:18:53 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 14 Oct 2015 15:18:53 +0000 (UTC) Cc: emacs-devel@gnu.org To: Oleh Krehel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Oct 14 17:18:44 2015 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 1ZmNpE-0008LK-4Y for ged-emacs-devel@m.gmane.org; Wed, 14 Oct 2015 17:18:44 +0200 Original-Received: from localhost ([::1]:42985 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZmNpD-0006h3-Bv for ged-emacs-devel@m.gmane.org; Wed, 14 Oct 2015 11:18:43 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56311) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZmNnz-0005L5-Hl for emacs-devel@gnu.org; Wed, 14 Oct 2015 11:17:28 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZmNnv-0005ws-Hf for emacs-devel@gnu.org; Wed, 14 Oct 2015 11:17:27 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:46546) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZmNnv-0005wj-CM for emacs-devel@gnu.org; Wed, 14 Oct 2015 11:17:23 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 33B521608D3; Wed, 14 Oct 2015 08:17:22 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id JZovQU-KTyRx; Wed, 14 Oct 2015 08:17:21 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 2A058160E32; Wed, 14 Oct 2015 08:17:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id a9cz-Z3ym7Mx; Wed, 14 Oct 2015 08:17:21 -0700 (PDT) Original-Received: from Penguin.CS.UCLA.EDU (Penguin.CS.UCLA.EDU [131.179.64.200]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 111FF1608D3; Wed, 14 Oct 2015 08:17:21 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 In-Reply-To: <87bnc1op9l.fsf@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 131.179.128.68 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:191570 Archived-At: On 10/14/2015 12:58 AM, Oleh Krehel wrote: >> Also, not every 'tar' has the -z option. Emacs should use -z only >> >after it's verified that the installed 'tar' supports -z. > How can this be determined? Pare the output of "tar --help". For an example, see how progmodes/grep.el checks for the --color option of grep.