Just grab the manifest and sync to get device sources
curl -o .repo/local_manifests/local_manifests.xml https://raw.githubusercontent.com/Himemoria/local_manifests/master/eleven.xml --create-dirs
curl -o .repo/local_manifests/local_manifests.xml https://raw.githubusercontent.com/Himemoria/local_manifests/master/twelve.xml --create-dirs
curl -o .repo/local_manifests/local_manifests.xml https://raw.githubusercontent.com/Himemoria/local_manifests/master/twelve-s.xml --create-dirs
curl -o .repo/local_manifests/local_manifests.xml https://raw.githubusercontent.com/Himemoria/local_manifests/master/thirteen.xml --create-dirs
repo sync -j$(nproc --all) --force-sync