From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rainer M Krug Subject: Re: Bash script to update - only make when update there? Date: Tue, 10 Dec 2013 20:37:42 +0100 Message-ID: <52A76D86.40103@krugs.de> References: <52A6D452.3030908@krugs.de> <87eh5klmt0.fsf@alphaville.bos.redhat.com> <52A75EF2.9010502@krugs.de> <8738m0lcyk.fsf@alphaville.bos.redhat.com> Reply-To: Rainer@krugs.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:36652) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VqT83-0001DP-J4 for emacs-orgmode@gnu.org; Tue, 10 Dec 2013 14:38:04 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VqT7z-0006K8-3c for emacs-orgmode@gnu.org; Tue, 10 Dec 2013 14:37:59 -0500 Received: from mail-bk0-f41.google.com ([209.85.214.41]:49970) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VqT7y-0006JU-S5 for emacs-orgmode@gnu.org; Tue, 10 Dec 2013 14:37:55 -0500 Received: by mail-bk0-f41.google.com with SMTP id v15so2151286bkz.28 for ; Tue, 10 Dec 2013 11:37:54 -0800 (PST) Received: from Rainers-MacBook-Pro-2.local ([2a01:e35:8baa:b070:4146:e572:3cd2:c796]) by mx.google.com with ESMTPSA id sx5sm12333895bkb.0.2013.12.10.11.37.44 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 10 Dec 2013 11:37:46 -0800 (PST) In-Reply-To: <8738m0lcyk.fsf@alphaville.bos.redhat.com> List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: emacs-orgmode@gnu.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 12/10/13, 20:31 , Nick Dokos wrote: > Rainer M Krug writes: > >> On 12/10/13, 16:59 , Nick Dokos wrote: >>> ... Be that as it may, you can try something like this hack >>> (those are backticks around the git pull - it's under the ESC >>> key in the upper left hand corner on most US keyboards but it >>> may be somewhere else on yours): >>> >>> if [ "`git pull`" == "Already up-to-date" ] then echo "Up to >>> date" else make update fi >> >> True - but if git pull does change the message, I have to change >> it as well - I just leave it as it is. >> > > Here for your amusement is a way to get around this problem: > > if [ "`git pull`" == "`git pull`" ] then echo Up to date else make > update fi > > You pay double the cost every time you use it but if they ever > *do* change the message, it's not going to break. But of course, if > the shell ever optimizes the second git pull away, you are back at > square one... I like it - optimization which not necessarily is faster.... Cheers, Rainer > > With-tongue-firmly-in-cheek-ly yours, Nick > > > > > - -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany) Centre of Excellence for Invasion Biology Stellenbosch University South Africa Tel : +33 - (0)9 53 10 27 44 Cell: +33 - (0)6 85 62 59 98 Fax : +33 - (0)9 58 10 27 44 Fax (D): +49 - (0)3 21 21 25 22 44 email: Rainer@krugs.de Skype: RMkrug -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.22 (Darwin) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJSp22GAAoJENvXNx4PUvmClkoIAONl6ouPeXWJ2PV0spQ4kYIy egng/Eu5WLIUfsZUHtPAtYTIs39KR2qfUDsuBFsnSG6DUE/HX2TPeTW+GGla+jZ4 gAPKUCRmk8xoOPn2CX5Ue4UPf5rU2UNtuwFhhJyuS9vCE35lo/tC8tGdieAfq9jA Gm9JAfHlCEjtDZWjnI7l2Qm5pEbe95FZJE+YzXKTbkz+KOGGgthiTETe08BYlxmM BSnniTU283Zxh/6I4xV5B0M14wFvpnayMSaKu3F53bY/iT2fBkC0qZvklMs+XOjq z5pnke7k0WgyEZvA7B/XAynLRhwE8NzRG6WyG659IFm+YgGOXouwXLAg5I52vSc= =CN/p -----END PGP SIGNATURE-----