From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Barkalow <barkalow@iabervon.org>
Subject: Re: [PATCH 9/9] Build in checkout
Date: Tue, 5 Feb 2008 20:04:11 -0500 (EST)
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References: <alpine.LNX.1.00.0802041336060.13593@iabervon.org> <alpine.LSU.1.00.0802050143050.8543@racer.site> <alpine.LNX.1.00.0802042201060.13593@iabervon.org> <alpine.LSU.1.00.0802052205210.8543@racer.site> <alpine.LNX.1.00.0802051716220.13593@iabervon.org>
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Cc: Junio C Hamano <junkio@cox.net>, git@vger.kernel.org
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
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On Tue, 5 Feb 2008, Johannes Schindelin wrote:

> Hi,
> 
> On Tue, 5 Feb 2008, Daniel Barkalow wrote:
> 
> > On Tue, 5 Feb 2008, Johannes Schindelin wrote:
> > 
> > > I suggested that: to prevent the index from needing an update.
> > > 
> > > This is quite important if you have a large working tree, and switch 
> > > branches from A to B.  For example, "make" will punish you where it 
> > > hurts.
> > 
> > This isn't used for switching branches; this is used for checking out 
> > paths. If you do "git checkout <not-head> -- <every single path>", make 
> > will punish you, but why would you do that? I'd guess that people are 
> > unlikely to have a significant number of non-changes in this piece of 
> > code, just because they wouldn't list things that they didn't think had 
> > changes.
> 
> For convenience, you can also say
> 
> 	$ git checkout -- <path>
> 
> and expect checkout to not really touch the unchanged files.

That also doesn't use this function, which is only for reading the tree 
into the index if a tree is given. On the other hand:

$ git checkout HEAD -- .

With either git-checkout.sh or my code, touches all of your files.

	-Daniel
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