!Important

You have to run the following command for recursive submodule pull to work properly:

# one-time init
git submodule update --recursive --init

# subsequent pulls
git submodule update --recursive

Commands

# Add submodule
git submodule add remote_repo_url

# Update Submodule
git submodule update --remote path_name

# Push
git push --recurse-submodules=on-demand

# fine-grained push to named branch
git push origin HEAD:<name-of-remote-branch>

# Move Submodule
git mv old/submod new/submod

# Remove submodule
git submodule deinit path_name

Push submodule changes from parent repo

git push --recurse-submodules=on-demand