Add a submodule

Run the following command, then you can commit and push it.

git submodule add <remote url> <destination folder>

Update submodules

Run the following command to update your local configuration file.

git submodule update --init --recursive

Then you can pull all the submodules right now.

git submodule foreach --recursive git pull origin master

Remove submodules

Run the following commands, then you can commit and push it.

git submodule deinit <submodule path>
git rm <submodule path>

Add submodules summary to git status

git config --global status.submoduleSummary true

Add submodules differences to git diff

git config --global diff.submodule log