Re: git submodule vs GIT_WORK_TREE

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Richard Hartmann <richih.mailinglist@xxxxxxxxx> writes:

> As you are most likely aware, `git submodule` allows you to access a
> separate git repository in a sub-directory, e.g. $submodule, while
> $GIT_WORK_TREE forces git to operate in a specific directory. Combine
> the two and the result is less than ideal. git is forced to operate in
> $GIT_WORK_TREE while it should operate on $GIT_WORK_TREE/$submodule,
> instead.

The end user should not be asked to anything special.

When the user exports GIT_WORK_TREE to tell git that the root of the
working tree the user wants to work on resides there (which is
needed when the user exports GIT_DIR to tell git that the user wants
to work on that repository), that wish obviously applies only to
that repository.  If git decides to visit the working tree of a
different repository (e.g. a checkout of a submodule bound to the
project GIT_WORK_TREE points at), even if it is done in response to
the user action (e.g. like passing "--recurse-submodules" option),
it should adjust GIT_WORK_TREE and GIT_DIR to be appropriate for
operations in the submodule repository while doing so.  If the more
recent "recursive" behaviour forgets to do so, it simply is a bug.




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