submodule-example-project

Create Empty New Repository

The git submodule add is used to add a new submodule to an existing repository. 
The following is an example that creates an empty repo and explores git submodules.

$ mkdir git-submodule-demo
$cd git-submodule-demo
$git init 

Add Submodule Repository

$ git submodule add https://bitbucket.org/jaredw/awesomelibrary

This command creates a new file ".gitmodule". 
This file has own submodule path with submodule repository-url

    [submodule "awesomelibrary"]
    path = awesomelibrary
    url = https://bitbucket.org/jaredw/awesomelibrary

$ git add --all
$ git commit -m "added submodule."

Checkout Submodule Changes

This command chechout selected branch update own submodule on main repository 

$ git submodule update