Re: Saving space/network on common repos

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Craig Silverstein wrote:

> btw, just FYI, the scheme you lay out here doesn't actually work
> as-is.  The problem is the config file, which has an entry like:
>            worktree = ../../../mysubmodule
> This depends on the config file living in
> ./git/modules/mysubmodule/config.  But the proposed scheme moves the
> config file to mysubmodule/.git/config, and the relative path is
> broken.

As was pointed out to me privately, the behavior is exactly as you
described and I had confused myself by looking at directory that
wasn't even made with git-new-workdir.  Sorry for the nonsense.

Workdirs share a single config file because information associated to
branches set by "git branch --set-upstream-to", "git branch
--edit-description", "git remote", and so on are stored in the config
file.

The 'git checkout --to' series in "pu" avoids this problem by ignoring
core.bare and core.worktree in worktrees created with 'git checkout --to'.
To try it:

	git clone https://kernel.googlesource.com/pub/scm/git/git
	cd git
	git merge 'origin/pu^{/nd/multiple-work-trees}^2'
	make
	PATH=$(pwd)/bin-wrappers:$PATH

	git checkout --to=../experiment next

This seems like good motivation to try to get that series in good
shape and release it soon.

Thanks again,
Jonathan
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