Git Add Submodule #
# Add submodule
git submodule add <repository> [<path>]
# Update submodule
git submodule update --init --recursive
Git Remove Submodule #
reference: https://stackoverflow.com/a/36593218
# Remove the submodule entry from .git/config
git submodule deinit -f path/to/submodule
# Remove the submodule directory from the superproject's .git/modules directory
rm -rf .git/modules/path/to/submodule
# Remove the entry in .gitmodules and remove the submodule directory located at path/to/submodule
git rm -f path/to/submodule