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

[Samuel Wales]

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
}


On 12/10/13, Rainer M Krug <address@hidden> wrote:
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> 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
> Cell:       +33 - (0)6 85 62 59 98
> Fax :       +33 - (0)9 58 10 27 44
>
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>
> email:      address@hidden
>
> Skype:      RMkrug
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