On Fri, Aug 22, 2008 at 9:36 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
quoted text
>
>
> On Fri, 22 Aug 2008, Andi Kleen wrote:
>>
>> Well git fetch does nothing by itself.
>
> Git fetch does exactly what it should do by itself.
>
> If you think it does "nothing", you're really confused.
>
> It updates the "remote" branches - the ones you are downlaoding.
>
>> Sorry that's what I though initially too. But that's wrong.  Just clone
>> e.g. linux-next and then try to update it with pull a day later.
>
> You SHOULD NOT DO THAT!
>
> linux-next is not a tree that you can track. It's a tree that you can
> fetch _once_ and then throw away.
>
> So what you can do is to "fetch" linux-next, and test it. But you MUST
> NEVER EVER use it for anything else. You can't do development on it, you
> cannot rebase onto it, you can't do _anything_ with it.
>
> So what you can do is to "git fetch" it (to download it), and then "git
> checkout" to create a temporary checkout. That's pretty much all you can
> do with linux-next.

Linus,
sorry for the double posting.

I agree, but I would like to point out a typical use case:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
git remote add tip
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git
git remote update (to fetch both the trees, now i can "track" your
branch with a simple merge which will results in a fast forward)
git checkout -b tip-latest tip/master

since tip/master is often rebased (as pu or linux-next) what I do is
the following:
git branch -D tip-latest
git checkout -b tip-latest tip/master

but I guess lot of people would expect to "throw away" and "checkout
again" with a single git command.

Does it make sense?

Ciao,
-- 
Paolo
http://paolo.ciarrocchi.googlepages.com/
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