Re: Multiple working trees with GIT ?

From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Jan 24, 2008, 11:04 UTC
Message-ID: <alpine.LSU.1.00.0801241102260.5731@racer.site>
In-Reply-To: <Pine.LNX.4.64.0801240947230.14173@reaper.quantumfyre.co.uk>

Hi,

On Thu, 24 Jan 2008, Julian Phillips wrote:

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> 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.

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> 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)?

Ciao, Dscho