On Wed, 13 Jul 2005, Chris Wedgwood wrote:
> On Wed, Jul 13, 2005 at 09:03:26AM +0200, Matthias Urlichs wrote:
>
> > You are ;-) the tree itsels is no symlinked, but HEAD points to
> > refs/heads/<branch> by default.
>
> Thanks for pointing that out. I honestly never noticed that.
>
> How about the following?
This is really complicated, for no good reason.
The _object_ directories should be linked, but it's really wrong to link
the "refs/" directories and expect them to have COW behaviour.
I've tried to make most of the git tools write the refs objects "safely"
too, ie things like "git-receive-pack" (the receiving end of a
"git-send-pack") will write the new ref to a lock-file and then do a
"rename()" to set it. That is COW-safe, but the thing is, it's incredibly
painful for many other operations, and I won't guarantee that git in
general is always going to be COW-safe wrt all the git files.
For example, the "git clone -l" behaviour will _only_ link the objects
subdirectory. The rest is copied. Unless there's a bug there somewhere.
Linus
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