Stefan Beller <sbel...@google.com> writes:

> When a submodule diff should be displayed we currently just add the
> submodule objects to the main object store and then e.g. walk the
> revision graph and create a summary for that submodule.
>
> It is possible that we are missing the submodule either completely or
> partially, which we currently differentiate with different error messages
> depending on whether (1) the whole submodule object store is missing or
> (2) just the needed for this particular diff. (1) is reported as
> "not initialized", and (2) is reported as "commits not present".
>
> If a submodule is deinit'ed its repository data is still around inside
> the superproject, such that the diff can still be produced. In that way
> the error message (1) is misleading as we can have a diff despite the
> submodule being not initialized.
>
> Downgrade the error message (1) to be the same as (2) and just say
> the commits are not present, as that is the true reason why the diff
> cannot be shown.
>
> Signed-off-by: Stefan Beller <sbel...@google.com>
> ---
Sounds good.  Thanks for working on it.

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