From: Rainer M Krug <Rainer@krugs.de>
To: Nick Dokos <ndokos@gmail.com>, emacs-orgmode@gnu.org
Subject: Re: Bash script to update - only make when update there?
Date: Tue, 10 Dec 2013 19:35:30 +0100 [thread overview]
Message-ID: <52A75EF2.9010502@krugs.de> (raw)
In-Reply-To: <87eh5klmt0.fsf@alphaville.bos.redhat.com>
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On 12/10/13, 16:59 , Nick Dokos wrote:
> Rainer M Krug <Rainer@krugs.de> writes:
>
>> Hi
>>
>> I have a question concerning a bash script to update org (and ess
>> in the same way but in a different script).
>>
>> The script I use to update org looks as follow:
>>
>> #!/bin/sh cd ~/.emacs.d/org-git
>>
>> #### #!/bin/sh git checkout master make update ####
>>
>> which works nicely, but I would like to only execute the "make
>> update" if git updated something - I am sure this is possible,
>> but how?
>>
>
> It seems to me that the dependencies are not dealt with correctly
> in the Makefile, so after the git pull (whether that did anything
> or not), ``make update'' rebuilds everything. Ideally, it should
> figure out what needs rebuilding and just do that - then you
> wouldn't need anything more. OTOH, CPU cycles are cheap and
> rebuilding everything only takes 12 seconds on my laptop, so should
> we really care?
Well - you are right. Why care?
>
> 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.
Cheers,
Rainer
>
> 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
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next prev parent reply other threads:[~2013-12-10 18:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-10 8:44 Bash script to update - only make when update there? Rainer M Krug
2013-12-10 15:59 ` Nick Dokos
2013-12-10 18:35 ` Rainer M Krug [this message]
2013-12-10 19:31 ` Nick Dokos
2013-12-10 19:37 ` Rainer M Krug
2013-12-10 20:50 ` Samuel Wales
2013-12-12 9:00 ` Rainer M Krug
2013-12-13 0:26 ` Suvayu Ali
2013-12-13 8:40 ` Rainer M Krug
2013-12-10 17:00 ` Achim Gratz
2013-12-10 17:12 ` Achim Gratz
2013-12-10 18:36 ` Rainer M Krug
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