git annex
命令手册Manage files with git, without checking their contents in. When a file is annexed, its content is moved into a key-value store, and a symlink is made that points to the content. More information: https://git-annex.branchable.com.
git annex help
git annex init
git annex add {{path/to/file_or_directory}}
git annex status {{path/to/file_or_directory}}
git annex {{remote}}
git annex get {{path/to/file_or_directory}}