Cloning this repository:

git clone git://git.sugarlabs.org/~native/adventurebook-activity/natives-adventurebook-activity.git natives-adventurebook-activity
cd natives-adventurebook-activity

Add this repository as a remote to an existing local repository:

git remote add natives-adventurebook-activity git://git.sugarlabs.org/~native/adventurebook-activity/natives-adventurebook-activity.git
git fetch natives-adventurebook-activity
git checkout -b my-local-tracking-branch natives-adventurebook-activity/master_or_other_branch