Re: Managing multiple branches in git

On Tue, Jun 2, 2009 at 3:58 PM, Andres Freund <andres@anarazel.de> wrote:
> On 06/02/2009 09:38 PM, Alvaro Herrera wrote:
>>
>> Mark Mielke wrote:
>>
>>> I just don't understand why you care. If the CVS directories didn't bug
>>> you before, why does the single .git directory bug you now? I'm
>>> genuinely interested as I don't get it. :-)
>>
>> It doesn't.  What bugs me is that the database (the "pulled" tree if you
>> will) is stored in it.  It has already been pointed out how to put it
>> elsewhere, so no need to explain that.
>>
>> What *really* bugs me is that it's so difficult to have one "pulled"
>> tree and create a bunch of checked out copies from that.
>
> I dont see were the difficulty resides?
>
> #Setup a base repository
> cd /../master
> git [--bare] clone git://git.postgresql.org/whatever .
>
>
> #Method 1
> cd /../child1
> git clone --reference /../master/ git://git.postgresql.org/whatever .
> cd /../child2
> git clone --reference /../master/ git://git.postgresql.org/whatever .
>
> This way you can fetch from the git url without problem, but when a object
> is available locally it is not downloaded again.

Yeah but now you have to push and pull commits between your numerous
local working copies.  Boo, hiss.

> #Method2
> cd /../child3
> git clone --shared /../postgresql/ child3
> ...
> This way you only fetch from your "pulled" tree and never possibly from the
> upstream one.

This is so unsafe it's not even worth talking about.  See git-clone(1).

...Robert