Re: [O] Bash script to update - only make when update there?

[Rainer M Krug]

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On 12/10/13, 21:50 , Samuel Wales wrote:
> gitpullv () { #echo \=== maybe need to grab tags head=`git
> rev-parse --verify HEAD` echo git pull --stat --log | cat echo 
> newhead=`git rev-parse --verify HEAD` if [ "$newhead" != "$head" ] 
> then git log --pretty=tformat:%s ORIG_HEAD.. | cat # git log
> --pretty=tformat:%s --graph ORIG_HEAD.. echo echo '= you can now do
> git diff ORIG_HEAD -- files pipe tee' return 0 else return 1 fi 
> #git gc --auto git status }

Wow - and I expected a return code from git which I could simply
compare evaluate if there has something updated...

Well - I will stay with my simple update script.

Thanks,

Rainer


> 
> 
> On 12/10/13, Rainer M Krug <address@hidden> wrote:
> 
> 
> On 12/10/13, 20:31 , Nick Dokos wrote:
>>>> Rainer M Krug <address@hidden> 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
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email:      address@hidden

Skype:      RMkrug
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