The .gitmodules file, located in the top-level directory of a Git
       working tree, is a text file with a syntax matching the requirements of

       The file contains one subsection per submodule, and the subsection
       value is the name of the submodule. The name is set to the path where
       the submodule has been added unless it was customized with the --name
       option of git submodule add. Each submodule section also contains the
       following required keys:

           Defines the path, relative to the top-level directory of the Git
           working tree, where the submodule is expected to be checked out.
           The path name must not end with a /. All submodule paths must be
           unique within the .gitmodules file.

           Defines a URL from which the submodule repository can be cloned.
           This may be either an absolute URL ready to be passed to git-
           clone(1) or (if it begins with ./ or ../) a location relative to
           the superproject's origin repository.

       In addition, there are a number of optional keys:

           Defines the default update procedure for the named submodule, i.e.
           how the submodule is updated by "git submodule update" command in
           the superproject. This is only used by git submodule init to
           initialize the configuration variable of the same name. Allowed
           values here are checkout, rebase, merge or none. See description of
           update command in git-submodule(1) for their meaning. For security
           reasons, the !command form is not accepted here.

           A remote branch name for tracking updates in the upstream
           submodule. If the option is not specified, it defaults to master.
           See the --remote documentation in git-submodule(1) for details.

           This option can be used to control recursive fetching of this
           submodule. If this option is also present in the submodules entry
           in .git/config of the superproject, the setting there will override
           the one found in .gitmodules. Both settings can be overridden on
           the command line by using the "--[no-]recurse-submodules" option to
           "git fetch" and "git pull".

           Defines under what circumstances "git status" and the diff family
           show a submodule as modified. When set to "all", it will never be
           considered modified (but will nonetheless show up in the output of
           status and commit when it has been staged), "dirty" will ignore all

       Consider the following .gitmodules file:

           [submodule "libfoo"]
                   path = include/foo
                   url = git://

           [submodule "libbar"]
                   path = include/bar
                   url = git://

       This defines two submodules, libfoo and libbar. These are expected to
       be checked out in the paths include/foo and include/bar, and for both
       submodules a URL is specified which can be used for cloning the

       git-submodule(1) git-config(1)

       Part of the git(1) suite

Git 2.7.4                         12/09/2019                     GITMODULES(5)
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