On Wed, Oct 24, 2007 at 11:54:49PM +0200, Andreas Ericsson wrote:
quoted text
> Peter Baumann wrote:
>> On Wed, Oct 24, 2007 at 11:06:24PM +0200, Andreas Ericsson wrote:
>>> J. Bruce Fields wrote:
>>>> On Wed, Oct 24, 2007 at 10:12:29PM +0200, Steffen Prohaska wrote:
>>>>> On Oct 24, 2007, at 9:48 PM, J. Bruce Fields wrote:
>>>>>
>>>>>>> I want git pull to work like git push.
>>>>>> That strikes me as a less complete solution, since it only helps in 
>>>>>> the
>>>>>> case where the other branches all happen to be unmodified locally 
>>>>>> (hence
>>>>>> can be fast-forwarded).  In other cases the "git push" will still emit 
>>>>>> a
>>>>>> spurious error.
>>>>> Well, but then there's something you should really think
>>>>> about.
>>>> Perhaps, but not necessarily; you may have some branches with local
>>>> changes that you're content to leave unpushed (and un-updated).
>>> Sure, but that won't change. The only thing I'm proposing is that
>>> local copies of remote branches are automatically fast-forwarded
>>> on every pull, but only if
>>>
>>> * the branch has no modifications what so ever
>>> * the branch is set up to auto-merge with the particular branch
>>> fetched from the particular remote
>>>
>>> I really don't see any downsides what so ever with this. Those
>>> of you who do, please enlighten me.
>>>
>> You can't check what got added in your pull, e.g you can't review the new
>> code with something like
>> 	gitk next..origin/next
>
> That's what git-fetch is for.
>

If I run git pull <remote> and have a auto-merge setup, I would merge the
remote side into my local branch. Then doing

	gitk ORIG_HEAD..

does the trick for to review what got added _and_ merged into my local
branch. I can't use this for other local branches not checked out. And as
I normally want to merge, your suggested behaviour is fine with me *IFF*
it is configurable _per_ branch.

quoted text
>> I often do something like this, just to see what got changed. So at least
>> in my opinion you have to add a third point:
>>   * the branch has no modifications what so ever
>>   * the branch is set up to auto-merge with the particular branch
>>     fetched from the particular remote
>> 				AND
>>   * the user set a config option to always autofastfoward if the above
>>     conditions are true! This could be implemented as a global option with
>>     a per branch overwrite.
>
> I'd be fine with that, except I think it's fairly dangerous to have
> different defaults. The two first points are sort of the core of the
> case I've been arguing all along.
>

I aggree. And thats why I think your autofastforward should be set to
"false" per default, so that the distinction between local and remote
branches would still be clearly defined. Changing this would confuse new
users a lot more, me thinks.

But having the option for power users sounds fine!

quoted text
>> Only if this option is added so a user can mark a branch to never
>> autofastforward (but it is still possible to  have an auto-merge config) 
>> you won't
>> loose valuable information.
>
> Sure. I was thinking something along these lines:
>
> [branch "foo"]
> 	remote = bar
> 	merge = some-branch
> 	autofastforward = false
>

Thats exactlcy what I had in mind. Maybe and a

[core]
	global_autofastforward = true

so you could have a sane default for every branch which is missing the
autofastforward statement. (or make it per [remote "foo"] ?)

quoted text
> Or use git-fetch. git-pull is "fetch + merge". Conceptually, I don't
> think it'll be any problem what so ever telling anyone that the branches
> that aren't currently checked out get merged automatically only if they
> result in a fast-forward.
>

I'm not so sure about that.

-Peter
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