Merge "Infers custom vendor partitions."

  has_error = False

  # Check that partitions only come from one input.

  for partition in _FRAMEWORK_PARTITIONS.union(_VENDOR_PARTITIONS):

    image_path = 'IMAGES/{}.img'.format(partition.lower().replace('/', ''))

    in_framework = (

        any(item.startswith(partition) for item in OPTIONS.framework_item_list)

        or image_path in OPTIONS.framework_item_list)

    in_vendor = (

        any(item.startswith(partition) for item in OPTIONS.vendor_item_list) or

        image_path in OPTIONS.vendor_item_list)

    if in_framework and in_vendor:

  framework_partitions = ItemListToPartitionSet(OPTIONS.framework_item_list)

  vendor_partitions = ItemListToPartitionSet(OPTIONS.vendor_item_list)

  from_both = framework_partitions.intersection(vendor_partitions)

  if from_both:

    logger.error(

          'Cannot extract items from %s for both the framework and vendor'

          ' builds. Please ensure only one merge config item list'

          ' includes %s.', partition, partition)

        'Cannot extract items from the same partition in both the '

        'framework and vendor builds. Please ensure only one merge config '

        'item list (or inferred list) includes each partition: %s' %

        ','.join(from_both))

    has_error = True

  if any([

# system partition). The following regex matches this and extracts the

# partition name.

_PARTITION_ITEM_PATTERN = re.compile(r'^([A-Z_]+)/\*$')

_PARTITION_ITEM_PATTERN = re.compile(r'^([A-Z_]+)/.*$')

_IMAGE_PARTITION_PATTERN = re.compile(r'^IMAGES/(.*)\.img$')

def ItemListToPartitionSet(item_list):

  partition_set = set()

  for item in item_list:

    partition_match = _PARTITION_ITEM_PATTERN.search(item.strip())

    partition_tag = partition_match.group(

        1).lower() if partition_match else None

    if partition_tag:

      partition_set.add(partition_tag)

    for pattern in (_PARTITION_ITEM_PATTERN, _IMAGE_PARTITION_PATTERN):

      partition_match = pattern.search(item.strip())

      if partition_match:

        partition = partition_match.group(1).lower()

        # These directories in target-files are not actual partitions.

        if partition not in ('meta', 'images'):

          partition_set.add(partition)

  return partition_set

# Partitions that are grabbed from the framework partial build by default.

_FRAMEWORK_PARTITIONS = {

    'system', 'product', 'system_ext', 'system_other', 'root', 'system_dlkm'

}

# Partitions that are grabbed from the vendor partial build by default.

_VENDOR_PARTITIONS = {

    'vendor', 'odm', 'oem', 'boot', 'vendor_boot', 'recovery',

    'prebuilt_images', 'radio', 'data', 'vendor_dlkm', 'odm_dlkm'

    'system', 'product', 'system_ext', 'system_other', 'root', 'system_dlkm',

    'vbmeta_system'

}

def InferItemList(input_namelist, framework):

  item_list = []

  item_set = set()

  # Some META items are grabbed from partial builds directly.

  # Some META items are always grabbed from partial builds directly.

  # Others are combined in merge_meta.py.

  if framework:

    item_list.extend([

    item_set.update([

        'META/liblz4.so',

        'META/postinstall_config.txt',

        'META/update_engine_config.txt',

        'META/zucchini_config.txt',

    ])

  else:  # vendor

    item_list.extend([

    item_set.update([

        'META/kernel_configs.txt',

        'META/kernel_version.txt',

        'META/otakeys.txt',

        'META/pack_radioimages.txt',

        'META/releasetools.py',

        'OTA/android-info.txt',

    ])

  # Grab a set of items for the expected partitions in the partial build.

  for partition in (_FRAMEWORK_PARTITIONS if framework else _VENDOR_PARTITIONS):

  seen_partitions = []

  for namelist in input_namelist:

      if namelist.startswith('%s/' % partition.upper()):

    if namelist.endswith('/'):

      continue

    partition = namelist.split('/')[0].lower()

    # META items are grabbed above, or merged later.

    if partition == 'meta':

      continue

    if partition == 'images':

      image_partition, extension = os.path.splitext(os.path.basename(namelist))

      if image_partition == 'vbmeta':

        # Always regenerate vbmeta.img since it depends on hash information

        # from both builds.

        continue

      if extension in ('.img', '.map'):

        # Include image files in IMAGES/* if the partition comes from

        # the expected set.

        if (framework and image_partition in _FRAMEWORK_PARTITIONS) or (

            not framework and image_partition not in _FRAMEWORK_PARTITIONS):

          item_set.add(namelist)

      elif not framework:

        # Include all miscellaneous non-image files in IMAGES/* from

        # the vendor build.

        item_set.add(namelist)

      continue

    # Skip already-visited partitions.

    if partition in seen_partitions:

      continue

    seen_partitions.append(partition)

    if (framework and partition in _FRAMEWORK_PARTITIONS) or (

        not framework and partition not in _FRAMEWORK_PARTITIONS):

      fs_config_prefix = '' if partition == 'system' else '%s_' % partition

        item_list.extend([

      item_set.update([

          '%s/*' % partition.upper(),

            'IMAGES/%s.img' % partition,

            'IMAGES/%s.map' % partition,

          'META/%sfilesystem_config.txt' % fs_config_prefix,

      ])

        break

  return sorted(item_list)

  return sorted(item_set)

def InferFrameworkMiscInfoKeys(input_namelist):

  ]

  for partition in _FRAMEWORK_PARTITIONS:

    for namelist in input_namelist:

      if namelist.startswith('%s/' % partition.upper()):

    for partition_dir in ('%s/' % partition.upper(), 'SYSTEM/%s/' % partition):

      if partition_dir in input_namelist:

        fs_type_prefix = '' if partition == 'system' else '%s_' % partition

        keys.extend([

            'avb_%s_hashtree_enable' % partition,

  def test_ItemListToPartitionSet(self):

    item_list = [

        'IMAGES/system_ext.img',

        'META/apexkeys.txt',

        'META/apkcerts.txt',

        'META/filesystem_config.txt',

        'PRODUCT/*',

        'SYSTEM/*',

        'SYSTEM_EXT/*',

        'SYSTEM/system_ext/*',

    ]

    partition_set = merge_utils.ItemListToPartitionSet(item_list)

    self.assertEqual(set(['product', 'system', 'system_ext']), partition_set)

  def test_InferItemList_Framework(self):

    zip_namelist = [

        'IMAGES/product.img',

        'IMAGES/product.map',

        'IMAGES/system.img',

        'IMAGES/system.map',

        'SYSTEM/my_system_file',

        'PRODUCT/my_product_file',

        # Device does not use a separate system_ext partition.

        'SYSTEM/system_ext/system_ext_file',

    ]

    item_list = merge_utils.InferItemList(zip_namelist, framework=True)

    zip_namelist = [

        'VENDOR/my_vendor_file',

        'ODM/my_odm_file',

        'IMAGES/odm.img',

        'IMAGES/odm.map',

        'IMAGES/vendor.img',

        'IMAGES/vendor.map',

        'IMAGES/my_custom_image.img',

        'IMAGES/my_custom_file.txt',

        'IMAGES/vbmeta.img',

        'CUSTOM_PARTITION/my_custom_file',

        # Leftover framework pieces that shouldn't be grabbed.

        'IMAGES/system.img',

        'SYSTEM/system_file',

    ]

    item_list = merge_utils.InferItemList(zip_namelist, framework=False)

    expected_vendor_item_list = [

        'CUSTOM_PARTITION/*',

        'IMAGES/my_custom_file.txt',

        'IMAGES/my_custom_image.img',

        'IMAGES/odm.img',

        'IMAGES/odm.map',

        'IMAGES/vendor.img',

        'IMAGES/vendor.map',

        'META/custom_partition_filesystem_config.txt',

        'META/kernel_configs.txt',

        'META/kernel_version.txt',

        'META/odm_filesystem_config.txt',

        'META/otakeys.txt',

        'META/pack_radioimages.txt',

        'META/releasetools.py',

        'META/vendor_filesystem_config.txt',

        'ODM/*',

        'OTA/android-info.txt',

        'VENDOR/*',

    ]

    self.assertEqual(item_list, expected_vendor_item_list)

  def test_InferFrameworkMiscInfoKeys(self):

    zip_namelist = [

        'SYSTEM/my_system_file',

        'SYSTEM_EXT/my_system_ext_file',

        'PRODUCT/',

        'SYSTEM/',

        'SYSTEM/system_ext/',

    ]

    keys = merge_utils.InferFrameworkMiscInfoKeys(zip_namelist)

    expected_keys = [

        'ab_update',

        'avb_product_add_hashtree_footer_args',

        'avb_product_hashtree_enable',

        'avb_system_add_hashtree_footer_args',

        'avb_system_ext_add_hashtree_footer_args',

        'avb_system_ext_hashtree_enable',

        'avb_vbmeta_system_algorithm',

        'avb_vbmeta_system_key_path',

        'avb_vbmeta_system_rollback_index_location',

        'building_product_image',

        'building_system_ext_image',

        'building_system_image',

        'default_system_dev_certificate',

        'fs_type',

        'product_disable_sparse',

        'product_fs_type',

        'system_disable_sparse',

        'system_ext_disable_sparse',

        'system_ext_fs_type',