Craig Silverstein <csilvers.mail@xxxxxxxxx> writes:
> The basic problem with submodules, from git-new-workdir's point of
> view, is that instead of having a .git directory, they have a .git
> file with contents `gitdir: <some other path>`. This is a problem
> because the submodule's config file has an entry like `worktree =
> ../../../khan-exercises` which is relative to "<some other path>"
> rather than to "submodule_dir/.git".
>
> As a result, if we want the new workdir to work properly, it needs to
> keep the same directory structure as the original repository: it
> should also contain a .git file with a 'gitdir', and the actual .git
> contents should be in the place mentioned therein.
Hmmmm, does that mean that the submodule S in the original
repository O's working tree and its checkout in the secondary
working tree W created from O using git-new-workdir share the same
repository location? More specifically:
O/.git/ - original repository
O/.git/index - worktree state in O
O/S - submodule S's checkout in O
O/S/.git - a gitfile pointing to O/.git/modules/S
O/.git/modules/S - submodule S's repository contents
O/.git/modules/S/config - submodule S's config
W/.git/ - secondary working tree
W/.git/config - symlink to O/.git/config
W/.git/index - worktree state in W (independent of O)
W/S - submodule S's checkout in W (independent of O)
W/S/.git - a gitfile pointing to O/.git/modules/S
Doesn't a submodule checkout keep some state tied to the working
tree in its repository configuration file? Wouldn't this change
introduce problems by sharing O/.git/modules/S/config between the
two checkouts?
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