On 14-05-01 01:56 PM, W. Trevor King wrote:
> On Thu, May 01, 2014 at 11:20:44AM -0400, Marc Branchaud wrote:
>> On 14-05-01 05:46 AM, brian m. carlson wrote:
>>>   git checkout maintenance-branch
>>>   # Update our maintenance branch to the latest from the main repo.
>>>   git pull --ff-only
>>>   git pull --no-ff developer-remote topic-branch
>>>   git push main-repo HEAD
>> …
>> What's more, it seems to me that the only real advantage "git pull" provides
>> here is a less typing compared to the non-pull equivalent:
>>   git fetch main-repo
>>   git checkout main-repo/maintenance-branch
>>   git fetch developer-remote
>>   git merge --no-ff developer-remote/topic-branch
>>   git push main-repo HEAD
> You're missing Brian's fast-forward merge here.  It should be:
>   git checkout maintenance-branch
>   git fetch main-repo
>   git merge --ff-only main-repo/maintenance-branch
>   git fetch developer-remote
>   …

I think you're mistaken -- I checked out "main-repo/maintenance-branch"
directly, so there's no need to fast-forward a local branch.

>> Sure, the non-pull approach makes use of Scary Branch Stuff (remotes
>> and namespaces and detached HEADs -- oh my!).
> No need for detached heads with Brian's local maintenance-branch.

Yes.  OTOH, no need to bother keeping a local maintenance-branch up to date
if you use a detached HEAD.

> If
> you're teaching and just need folks merging the remote's HEAD, you
> can avoid namespaces and remotes entirely:
>   git fetch git://example.net/main-repo.git
>   git merge --ff-only FETCH_HEAD
> although I doubt “the remote's HEAD” will be easier to explain than
> the namespaced, remote-tracking branches it replaces.  It's certainly
> not worth the hassle of un-training FETCH_HEAD-merges later on ;).

Agreed.  I wouldn't advocate teaching people about FETCH_HEAD as if it were
something they should use regularly.


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