cm: support lineage device trees

            # A buildtype was specified, assume a full device name

            lunch $target

        else

            # This is probably just the CM model name

            # This is probably just the Lineage model name

            if [ -z "$variant" ]; then

                variant="userdebug"

            fi

            lunch lineage_$target-$variant

            if [ $? -ne 0 ]; then

                # try CM

                echo "** Warning: '$target' is using CM-based makefiles. This will be deprecated in the next major release."

                lunch cm_$target-$variant

            fi

        fi

    fi

    return $?

}

def fetch_dependencies(repo_path, fallback_branch = None):

    print('Looking for dependencies in %s' % repo_path)

    dependencies_path = repo_path + '/cm.dependencies'

    dependencies_paths = [repo_path + '/lineage.dependencies', repo_path + '/cm.dependencies']

    found_dependencies = False

    syncable_repos = []

    verify_repos = []

    for dependencies_path in dependencies_paths:

        if os.path.exists(dependencies_path):

            dependencies_file = open(dependencies_path, 'r')

            dependencies = json.loads(dependencies_file.read())

                    verify_repos.append(dependency['target_path'])

            dependencies_file.close()

            found_dependencies = True

            if len(fetch_list) > 0:

                print('Adding dependencies to manifest')

                add_to_manifest(fetch_list, fallback_branch)

    else:

            break

    if not found_dependencies:

        print('Dependencies file not found, bailing out.')

    if len(syncable_repos) > 0: