Merge "Move PRODUCT_UPDATABLE_SYSTEM_SERVER_JARS to default_art_config.mk."
diff --git a/core/Makefile b/core/Makefile
index 6420024..0f233a2 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -4257,6 +4257,7 @@
   e2fsdroid \
   fc_sort \
   fec \
+  fsck.f2fs \
   fs_config \
   generate_verity_key \
   host_init_verifier \
diff --git a/core/sysprop.mk b/core/sysprop.mk
index 0fc96e0..be9b1f8 100644
--- a/core/sysprop.mk
+++ b/core/sysprop.mk
@@ -98,7 +98,7 @@
     $(eval _option := --allow-dup)\
 )
 
-$(2): $(POST_PROCESS_PROPS) $(INTERNAL_BUILD_ID_MAKEFILE) $(API_FINGERPRINT) $(3) $(6)
+$(2): $(POST_PROCESS_PROPS) $(INTERNAL_BUILD_ID_MAKEFILE) $(3) $(6)
 	$(hide) echo Building $$@
 	$(hide) mkdir -p $$(dir $$@)
 	$(hide) rm -f $$@ && touch $$@
diff --git a/envsetup.sh b/envsetup.sh
index 6cb2cc4..120f6e0 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -331,15 +331,15 @@
 
 function bazel()
 {
-    local T="$(gettop)"
-    if [ ! "$T" ]; then
-        echo "Couldn't locate the top of the tree.  Try setting TOP."
-        return
+    if which bazel &>/dev/null; then
+        >&2 echo "NOTE: bazel() function sourced from Android's envsetup.sh is being used instead of $(which bazel)"
+        >&2 echo
     fi
 
-    if which bazel &>/dev/null; then
-        >&2 echo "NOTE: bazel() function sourced from envsetup.sh is being used instead of $(which bazel)"
-        >&2 echo
+    local T="$(gettop)"
+    if [ ! "$T" ]; then
+        >&2 echo "Couldn't locate the top of the Android tree. Try setting TOP. This bazel() function cannot be used outside of the AOSP directory."
+        return
     fi
 
     "$T/tools/bazel" "$@"
diff --git a/tools/releasetools/Android.bp b/tools/releasetools/Android.bp
index 32a5dcb..fc588e4 100644
--- a/tools/releasetools/Android.bp
+++ b/tools/releasetools/Android.bp
@@ -59,6 +59,8 @@
         "mkuserimg_mke2fs",
         "simg2img",
         "tune2fs",
+        "mkf2fsuserimg.sh",
+        "fsck.f2fs",
     ],
 }
 
@@ -162,6 +164,7 @@
         "releasetools_common",
         "releasetools_verity_utils",
         "apex_manifest",
+        "care_map_proto_py",
     ],
     required: [
         "brillo_update_payload",
diff --git a/tools/releasetools/add_img_to_target_files.py b/tools/releasetools/add_img_to_target_files.py
index c583d01..28a2f5a 100644
--- a/tools/releasetools/add_img_to_target_files.py
+++ b/tools/releasetools/add_img_to_target_files.py
@@ -687,8 +687,10 @@
               os.path.join(OPTIONS.input_tmp, "IMAGES",
                            "{}.img".format(partition_name))))
 
+
 def AddApexInfo(output_zip):
-  apex_infos = GetApexInfoFromTargetFiles(OPTIONS.input_tmp, 'system')
+  apex_infos = GetApexInfoFromTargetFiles(OPTIONS.input_tmp, 'system',
+                                          compressed_only=False)
   apex_metadata_proto = ota_metadata_pb2.ApexMetadata()
   apex_metadata_proto.apex_info.extend(apex_infos)
   apex_info_bytes = apex_metadata_proto.SerializeToString()
diff --git a/tools/releasetools/care_map_pb2.py b/tools/releasetools/care_map_pb2.py
new file mode 100644
index 0000000..06aee25
--- /dev/null
+++ b/tools/releasetools/care_map_pb2.py
@@ -0,0 +1,132 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: bootable/recovery/update_verifier/care_map.proto
+
+import sys
+_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from google.protobuf import reflection as _reflection
+from google.protobuf import symbol_database as _symbol_database
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='bootable/recovery/update_verifier/care_map.proto',
+  package='recovery_update_verifier',
+  syntax='proto3',
+  serialized_options=_b('H\003'),
+  serialized_pb=_b('\n0bootable/recovery/update_verifier/care_map.proto\x12\x18recovery_update_verifier\"\x9e\x01\n\x07\x43\x61reMap\x12\x43\n\npartitions\x18\x01 \x03(\x0b\x32/.recovery_update_verifier.CareMap.PartitionInfo\x1aN\n\rPartitionInfo\x12\x0c\n\x04name\x18\x01 \x01(\t\x12\x0e\n\x06ranges\x18\x02 \x01(\t\x12\n\n\x02id\x18\x03 \x01(\t\x12\x13\n\x0b\x66ingerprint\x18\x04 \x01(\tB\x02H\x03\x62\x06proto3')
+)
+
+
+
+
+_CAREMAP_PARTITIONINFO = _descriptor.Descriptor(
+  name='PartitionInfo',
+  full_name='recovery_update_verifier.CareMap.PartitionInfo',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='name', full_name='recovery_update_verifier.CareMap.PartitionInfo.name', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='ranges', full_name='recovery_update_verifier.CareMap.PartitionInfo.ranges', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='id', full_name='recovery_update_verifier.CareMap.PartitionInfo.id', index=2,
+      number=3, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='fingerprint', full_name='recovery_update_verifier.CareMap.PartitionInfo.fingerprint', index=3,
+      number=4, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=159,
+  serialized_end=237,
+)
+
+_CAREMAP = _descriptor.Descriptor(
+  name='CareMap',
+  full_name='recovery_update_verifier.CareMap',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='partitions', full_name='recovery_update_verifier.CareMap.partitions', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR),
+  ],
+  extensions=[
+  ],
+  nested_types=[_CAREMAP_PARTITIONINFO, ],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=79,
+  serialized_end=237,
+)
+
+_CAREMAP_PARTITIONINFO.containing_type = _CAREMAP
+_CAREMAP.fields_by_name['partitions'].message_type = _CAREMAP_PARTITIONINFO
+DESCRIPTOR.message_types_by_name['CareMap'] = _CAREMAP
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+CareMap = _reflection.GeneratedProtocolMessageType('CareMap', (_message.Message,), {
+
+  'PartitionInfo' : _reflection.GeneratedProtocolMessageType('PartitionInfo', (_message.Message,), {
+    'DESCRIPTOR' : _CAREMAP_PARTITIONINFO,
+    '__module__' : 'bootable.recovery.update_verifier.care_map_pb2'
+    # @@protoc_insertion_point(class_scope:recovery_update_verifier.CareMap.PartitionInfo)
+    })
+  ,
+  'DESCRIPTOR' : _CAREMAP,
+  '__module__' : 'bootable.recovery.update_verifier.care_map_pb2'
+  # @@protoc_insertion_point(class_scope:recovery_update_verifier.CareMap)
+  })
+_sym_db.RegisterMessage(CareMap)
+_sym_db.RegisterMessage(CareMap.PartitionInfo)
+
+
+DESCRIPTOR._options = None
+# @@protoc_insertion_point(module_scope)
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 985a21a..d4da8b2 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -276,6 +276,9 @@
     args = args[:]
     args[0] = FindHostToolPath(args[0])
 
+  if verbose is None:
+    verbose = OPTIONS.verbose
+
   # Don't log any if caller explicitly says so.
   if verbose:
     logger.info("  Running: \"%s\"", " ".join(args))
diff --git a/tools/releasetools/ota_from_target_files.py b/tools/releasetools/ota_from_target_files.py
index 229f7e9..0b8965c 100755
--- a/tools/releasetools/ota_from_target_files.py
+++ b/tools/releasetools/ota_from_target_files.py
@@ -237,6 +237,7 @@
 import sys
 import zipfile
 
+import care_map_pb2
 import common
 import ota_utils
 from ota_utils import (UNZIP_PATTERN, FinalizeMetadata, GetPackageMetadata,
@@ -832,6 +833,17 @@
   with zipfile.ZipFile(input_file, allowZip64=True) as input_zip:
     common.ZipWriteStr(partial_target_zip, 'META/ab_partitions.txt',
                        '\n'.join(ab_partitions))
+    CARE_MAP_ENTRY = "META/care_map.pb"
+    if CARE_MAP_ENTRY in input_zip.namelist():
+      caremap = care_map_pb2.CareMap()
+      caremap.ParseFromString(input_zip.read(CARE_MAP_ENTRY))
+      filtered = [
+          part for part in caremap.partitions if part.name in ab_partitions]
+      del caremap.partitions[:]
+      caremap.partitions.extend(filtered)
+      common.ZipWriteStr(partial_target_zip, CARE_MAP_ENTRY,
+                         caremap.SerializeToString())
+
     for info_file in ['META/misc_info.txt', DYNAMIC_PARTITION_INFO]:
       if info_file not in input_zip.namelist():
         logger.warning('Cannot find %s in input zipfile', info_file)
@@ -841,7 +853,8 @@
           content, lambda p: p in ab_partitions)
       common.ZipWriteStr(partial_target_zip, info_file, modified_info)
 
-    # TODO(xunchang) handle 'META/care_map.pb', 'META/postinstall_config.txt'
+    # TODO(xunchang) handle META/postinstall_config.txt'
+
   common.ZipClose(partial_target_zip)
 
   return partial_target_file
@@ -1166,14 +1179,12 @@
     else:
       logger.warning("Cannot find care map file in target_file package")
 
-  # Copy apex_info.pb over to generated OTA package.
-  try:
-    apex_info_entry = target_zip.getinfo("META/apex_info.pb")
-    with target_zip.open(apex_info_entry, "r") as zfp:
-      common.ZipWriteStr(output_zip, "apex_info.pb", zfp.read(),
-                         compress_type=zipfile.ZIP_STORED)
-  except KeyError:
-    logger.warning("target_file doesn't contain apex_info.pb %s", target_file)
+  # Add the source apex version for incremental ota updates, and write the
+  # result apex info to the ota package.
+  ota_apex_info = ota_utils.ConstructOtaApexInfo(target_zip, source_file)
+  if ota_apex_info is not None:
+    common.ZipWriteStr(output_zip, "apex_info.pb", ota_apex_info,
+                       compress_type=zipfile.ZIP_STORED)
 
   common.ZipClose(target_zip)
 
diff --git a/tools/releasetools/ota_metadata.proto b/tools/releasetools/ota_metadata.proto
index ed9d0c3..689ce80 100644
--- a/tools/releasetools/ota_metadata.proto
+++ b/tools/releasetools/ota_metadata.proto
@@ -72,6 +72,8 @@
   int64 version = 2;
   bool is_compressed = 3;
   int64 decompressed_size = 4;
+  // Used in OTA
+  int64 source_version = 5;
 }
 
 // Just a container to hold repeated apex_info, so that we can easily serialize
diff --git a/tools/releasetools/ota_utils.py b/tools/releasetools/ota_utils.py
index 104f02f..28c246b 100644
--- a/tools/releasetools/ota_utils.py
+++ b/tools/releasetools/ota_utils.py
@@ -569,3 +569,45 @@
 
   SignFile(temp_zip_name, output_zip_name, OPTIONS.package_key, pw,
            whole_file=True)
+
+
+def ConstructOtaApexInfo(target_zip, source_file=None):
+  """If applicable, add the source version to the apex info."""
+
+  def _ReadApexInfo(input_zip):
+    if "META/apex_info.pb" not in input_zip.namelist():
+      logger.warning("target_file doesn't contain apex_info.pb %s", input_zip)
+      return None
+
+    with input_zip.open("META/apex_info.pb", "r") as zfp:
+      return zfp.read()
+
+  target_apex_string = _ReadApexInfo(target_zip)
+  # Return early if the target apex info doesn't exist or is empty.
+  if not target_apex_string:
+    return target_apex_string
+
+  # If the source apex info isn't available, just return the target info
+  if not source_file:
+    return target_apex_string
+
+  with zipfile.ZipFile(source_file, "r", allowZip64=True) as source_zip:
+    source_apex_string = _ReadApexInfo(source_zip)
+  if not source_apex_string:
+    return target_apex_string
+
+  source_apex_proto = ota_metadata_pb2.ApexMetadata()
+  source_apex_proto.ParseFromString(source_apex_string)
+  source_apex_versions = {apex.package_name: apex.version for apex in
+                          source_apex_proto.apex_info}
+
+  # If the apex package is available in the source build, initialize the source
+  # apex version.
+  target_apex_proto = ota_metadata_pb2.ApexMetadata()
+  target_apex_proto.ParseFromString(target_apex_string)
+  for target_apex in target_apex_proto.apex_info:
+    name = target_apex.package_name
+    if name in source_apex_versions:
+      target_apex.source_version = source_apex_versions[name]
+
+  return target_apex_proto.SerializeToString()
diff --git a/tools/releasetools/test_ota_from_target_files.py b/tools/releasetools/test_ota_from_target_files.py
index 661712a..51def30 100644
--- a/tools/releasetools/test_ota_from_target_files.py
+++ b/tools/releasetools/test_ota_from_target_files.py
@@ -24,7 +24,7 @@
 import test_utils
 from ota_utils import (
     BuildLegacyOtaMetadata, CalculateRuntimeDevicesAndFingerprints,
-    FinalizeMetadata, GetPackageMetadata, PropertyFiles)
+    ConstructOtaApexInfo, FinalizeMetadata, GetPackageMetadata, PropertyFiles)
 from ota_from_target_files import (
     _LoadOemDicts, AbOtaPropertyFiles,
     GetTargetFilesZipForCustomImagesUpdates,
@@ -295,6 +295,35 @@
     uncompressed_apex_size = os.path.getsize(original_apex_filepath)
     self.assertEqual(apex_infos[0].decompressed_size, uncompressed_apex_size)
 
+  @staticmethod
+  def construct_tf_with_apex_info(infos):
+    apex_metadata_proto = ota_metadata_pb2.ApexMetadata()
+    apex_metadata_proto.apex_info.extend(infos)
+
+    output = common.MakeTempFile(suffix='.zip')
+    with zipfile.ZipFile(output, 'w') as zfp:
+      common.ZipWriteStr(zfp, "META/apex_info.pb",
+                         apex_metadata_proto.SerializeToString())
+    return output
+
+  def test_ConstructOtaApexInfo_incremental_package(self):
+    infos = [ota_metadata_pb2.ApexInfo(package_name='com.android.apex.1',
+                                       version=1000, is_compressed=False),
+             ota_metadata_pb2.ApexInfo(package_name='com.android.apex.2',
+                                       version=2000, is_compressed=True)]
+    target_file = self.construct_tf_with_apex_info(infos)
+
+    with zipfile.ZipFile(target_file) as target_zip:
+      info_bytes = ConstructOtaApexInfo(target_zip, source_file=target_file)
+    apex_metadata_proto = ota_metadata_pb2.ApexMetadata()
+    apex_metadata_proto.ParseFromString(info_bytes)
+
+    info_list = apex_metadata_proto.apex_info
+    self.assertEqual(2, len(info_list))
+    self.assertEqual('com.android.apex.1', info_list[0].package_name)
+    self.assertEqual(1000, info_list[0].version)
+    self.assertEqual(1000, info_list[0].source_version)
+
   def test_GetPackageMetadata_retrofitDynamicPartitions(self):
     target_info = common.BuildInfo(self.TEST_TARGET_INFO_DICT, None)
     common.OPTIONS.retrofit_dynamic_partitions = True