Re: [WIP PATCH 1/4] Prepare checkout_entry() for recursive checkout of submodules

Jens Lehmann [off-list ref] writes:

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This would give you an incorrect result if .git is a file that records
"gitdir: overthere" (see read_gitfile_gently() in setup.c); I would expect
it would become a fairly important ingredient if we ever enhance the
submodule support to add submodule that disappears/reappears in the
history.

Right. This assumption is also present in add_submodule_odb() (used by
show_submodule_summary()) and is_submodule_modified(), so i just reused
it. This should be addressed in another patch.

What about this one:

Looks sensible to me.  Thanks, and sorry for not catching this earlier.