Cloning this repository:

git clone git://gitorious.org/android-on-freerunner/platform_external_gears.git platform_external_gears
cd platform_external_gears

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

git remote add platform_external_gears git://gitorious.org/android-on-freerunner/platform_external_gears.git
git fetch platform_external_gears
git checkout -b my-local-tracking-branch platform_external_gears/master_or_other_branch