npm

gitslave

Manage a group of related Git repositories with one as superproject

brewmacoslinux
Try with needOr install directly
Source

About

Create group of related repos with one as superproject

Commands

gitslave

Examples

Initialize a new gitslave superproject$ gitslave init
Add a repository as a slave to the superproject$ gitslave add <repo-url> <path>
Pull changes from all slave repositories$ gitslave pull