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If a submodule directory has not been filled by "git submodule update" yet, then "git submodule sync" must still update the super-project's configuration for submodule.<name>.url. This situation occurs when switching between branches with a module from different urls and other branches without the submodule. Signed-off-by: Andreas Köhler <andi5.py@gmx.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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