Re: Multiple working trees with GIT ?

[Willy Tarreau <w@1wt.eu>]

On Thu, Jan 24, 2008 at 11:04:42AM +0000, Johannes Schindelin wrote:
> Hi,
> 
> On Thu, 24 Jan 2008, Julian Phillips wrote:
> 
> > You might want to have a look at the git-new-workdir script in contrib, 
> > it does basically the same thing.  It's been there for about 10 months 
> > now. It was based on an email from Junio:
> > 
> > http://article.gmane.org/gmane.comp.version-control.git/41513/
> 
> FWIW I have a patch to do something like that in "git branch" itself.
>
> > However, there are some caveats about using this approach, basically 
> > about the fact that there is nothing stopping you from updating refs 
> > that are currently checked out in another directory and causing yourself 
> > all sorts of pain ... the topic has cropped up a couple of times on the 
> > list since the script was added.
> 
> I agree; maybe we should have a telltale file 
> "refs/heads/<bla>.checkedout" which is heeded by "git checkout" and "git 
> branch -d/-D", as well as update_ref() (should only update that ref when 
> it HEAD points to it)?

Why not generalize this into HEAD.$branch (thus limiting to one checkout
per branch) or HEAD.$checkoutdir ?

Best regards,
Willy