To get started with Aurora Framework, you'll need to get familiar with Git and Repo.
To initialize your local repository using repo, use a command like this:
repo init -u https://github.com/aurora-fw/manifest.git
Then to sync up:
repo sync
If you want, you can run a script to make this steps automatically:
curl --url https://raw.githubusercontent.com/aurora-fw/manifest/master/init.sh --output init.sh && chmod u+x init.sh && sh ./init.sh
Also if you want to pull extras too make this command after sync:
mkdir -p .repo/local_manifests && curl --url https://raw.githubusercontent.com/aurora-fw/manifest/master/extras.xml --output .repo/local_manifests/extras.xml
Please see the docs for building instructions.