SHELL

add git submodule

$ git submodule add <remote_url> <destination_folder>

git submodule

git submodule add link // add submodule
git submodule update --remote // update submodule
// delete 
git rm -r the_submodule
rm -rf .git/modules/the_submodule

submodule init // before you clone a repo

git submodule add

# Submodule is the git feature allowing a repository to include another 
# repository, with control on the branch of shared repository that is 
# considered by the host repository.

# In order to, for your own application, to create a submodule 
# associating the shared repository's main branch, do the following:
"""
git submodule add -b main [URL to Git repo] 
git submodule init
"""
# Now you can do
"""
git add .
git commit -m "folder is now a reusable result"
git push
"""

git submodule

git submodule sync: Updates the description of submodules cached by git in .git/modules
git submodule update --init --recursive --remote for Updates the working copy
[submodule "api"]
    path = api
    url = https://github.com/<another_repo>/api.git
    branch = main

git submodule push

git submodule foreach "git add . && git commit -m 'update' && git push"