Cloning this repository:

git clone git://gitorious.org/virtualbox_manage/mainline.git mainline
cd mainline

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

git remote add mainline git://gitorious.org/virtualbox_manage/mainline.git
git fetch mainline
git checkout -b my-local-tracking-branch mainline/master_or_other_branch

Cloning this repository:

git clone git://gitorious.org/~schelmo/virtualbox_manage/schelmo-clone.git schelmo-clone
cd schelmo-clone

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

git remote add schelmo-clone git://gitorious.org/~schelmo/virtualbox_manage/schelmo-clone.git
git fetch schelmo-clone
git checkout -b my-local-tracking-branch schelmo-clone/master_or_other_branch

Cloning this repository:

git clone git://gitorious.org/~chorny/virtualbox_manage/chorny-clone.git chorny-clone
cd chorny-clone

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

git remote add chorny-clone git://gitorious.org/~chorny/virtualbox_manage/chorny-clone.git
git fetch chorny-clone
git checkout -b my-local-tracking-branch chorny-clone/master_or_other_branch