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In a later patch we'll support submodule entries to be in sync with the tree in working tree changing commands, such as checkout or read-tree. When a new submodule entry changes in the tree, we need to check if there are conflicts (directory/file conflicts) for the tree. Add this check for submodules to be performed before the working tree is touched. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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