Revert^5 "Use Soong-built system/build.prop"

45ed4c2f9c7f625f6b127e4b18308e95d243489b

Change-Id: I574f29539d58239cd3f0e1ba6ae86e1b5d0f55ea
diff --git a/scripts/buildinfo.py b/scripts/buildinfo.py
new file mode 100755
index 0000000..8a24b63
--- /dev/null
+++ b/scripts/buildinfo.py
@@ -0,0 +1,191 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2024 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+"""A tool for generating buildinfo.prop"""
+
+import argparse
+import contextlib
+import json
+import os
+import subprocess
+
+TEST_KEY_DIR = "build/make/target/product/security"
+
+def get_build_variant(product_config):
+  if product_config["Eng"]:
+    return "eng"
+  elif product_config["Debuggable"]:
+    return "userdebug"
+  else:
+    return "user"
+
+def get_build_flavor(product_config):
+  build_flavor = product_config["DeviceProduct"] + "-" + get_build_variant(product_config)
+  if "address" in product_config.get("SanitizeDevice", []) and "_asan" not in build_flavor:
+    build_flavor += "_asan"
+  return build_flavor
+
+def get_build_keys(product_config):
+  default_cert = product_config.get("DefaultAppCertificate", "")
+  if default_cert == "" or default_cert == os.path.join(TEST_KEY_DIR, "testKey"):
+    return "test-keys"
+  return "dev-keys"
+
+def parse_args():
+  """Parse commandline arguments."""
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--build-hostname-file', required=True, type=argparse.FileType('r')),
+  parser.add_argument('--build-number-file', required=True, type=argparse.FileType('r'))
+  parser.add_argument('--build-thumbprint-file', type=argparse.FileType('r'))
+  parser.add_argument('--build-username', required=True)
+  parser.add_argument('--date-file', required=True, type=argparse.FileType('r'))
+  parser.add_argument('--platform-preview-sdk-fingerprint-file',
+                      required=True,
+                      type=argparse.FileType('r'))
+  parser.add_argument('--product-config', required=True, type=argparse.FileType('r'))
+  parser.add_argument('--out', required=True, type=argparse.FileType('w'))
+
+  option = parser.parse_args()
+
+  product_config = json.load(option.product_config)
+  build_flags = product_config["BuildFlags"]
+
+  option.build_flavor = get_build_flavor(product_config)
+  option.build_keys = get_build_keys(product_config)
+  option.build_id = product_config["BuildId"]
+  option.build_type = product_config["BuildType"]
+  option.build_variant = get_build_variant(product_config)
+  option.build_version_tags = product_config["BuildVersionTags"]
+  option.cpu_abis = product_config["DeviceAbi"]
+  option.default_locale = None
+  if len(product_config.get("ProductLocales", [])) > 0:
+    option.default_locale = product_config["ProductLocales"][0]
+  option.default_wifi_channels = product_config.get("ProductDefaultWifiChannels", [])
+  option.device = product_config["DeviceName"]
+  option.display_build_number = product_config["DisplayBuildNumber"]
+  option.platform_base_os = product_config["Platform_base_os"]
+  option.platform_display_version = product_config["Platform_display_version_name"]
+  option.platform_min_supported_target_sdk_version = build_flags["RELEASE_PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION"]
+  option.platform_preview_sdk_version = product_config["Platform_preview_sdk_version"]
+  option.platform_sdk_version = product_config["Platform_sdk_version"]
+  option.platform_security_patch = product_config["Platform_security_patch"]
+  option.platform_version = product_config["Platform_version_name"]
+  option.platform_version_codename = product_config["Platform_sdk_codename"]
+  option.platform_version_all_codenames = product_config["Platform_version_active_codenames"]
+  option.platform_version_known_codenames = product_config["Platform_version_known_codenames"]
+  option.platform_version_last_stable = product_config["Platform_version_last_stable"]
+  option.product = product_config["DeviceProduct"]
+  option.use_vbmeta_digest_in_fingerprint = product_config["BoardUseVbmetaDigestInFingerprint"]
+
+  return option
+
+def main():
+  option = parse_args()
+
+  build_hostname = option.build_hostname_file.read().strip()
+  build_number = option.build_number_file.read().strip()
+  build_version_tags_list = option.build_version_tags
+  if option.build_type == "debug":
+    build_version_tags_list.append("debug")
+  build_version_tags_list.append(option.build_keys)
+  build_version_tags = ",".join(sorted(set(build_version_tags_list)))
+
+  raw_date = option.date_file.read().strip()
+  date = subprocess.check_output(["date", "-d", f"@{raw_date}"], text=True).strip()
+  date_utc = subprocess.check_output(["date", "-d", f"@{raw_date}", "+%s"], text=True).strip()
+
+  # build_desc is human readable strings that describe this build. This has the same info as the
+  # build fingerprint.
+  # e.g. "aosp_cf_x86_64_phone-userdebug VanillaIceCream MAIN eng.20240319.143939 test-keys"
+  build_desc = f"{option.product}-{option.build_variant} {option.platform_version} " \
+               f"{option.build_id} {build_number} {build_version_tags}"
+
+  platform_preview_sdk_fingerprint = option.platform_preview_sdk_fingerprint_file.read().strip()
+
+  with contextlib.redirect_stdout(option.out):
+    print("# begin build properties")
+    print("# autogenerated by buildinfo.py")
+
+    # The ro.build.id will be set dynamically by init, by appending the unique vbmeta digest.
+    if option.use_vbmeta_digest_in_fingerprint:
+      print(f"ro.build.legacy.id={option.build_id}")
+    else:
+      print(f"ro.build.id?={option.build_id}")
+
+    # ro.build.display.id is shown under Settings -> About Phone
+    if option.build_variant == "user":
+      # User builds should show:
+      # release build number or branch.buld_number non-release builds
+
+      # Dev. branches should have DISPLAY_BUILD_NUMBER set
+      if option.display_build_number:
+        print(f"ro.build.display.id?={option.build_id}.{build_number} {option.build_keys}")
+      else:
+        print(f"ro.build.display.id?={option.build_id} {option.build_keys}")
+    else:
+      # Non-user builds should show detailed build information (See build desc above)
+      print(f"ro.build.display.id?={build_desc}")
+    print(f"ro.build.version.incremental={build_number}")
+    print(f"ro.build.version.sdk={option.platform_sdk_version}")
+    print(f"ro.build.version.preview_sdk={option.platform_preview_sdk_version}")
+    print(f"ro.build.version.preview_sdk_fingerprint={platform_preview_sdk_fingerprint}")
+    print(f"ro.build.version.codename={option.platform_version_codename}")
+    print(f"ro.build.version.all_codenames={','.join(option.platform_version_all_codenames)}")
+    print(f"ro.build.version.known_codenames={option.platform_version_known_codenames}")
+    print(f"ro.build.version.release={option.platform_version_last_stable}")
+    print(f"ro.build.version.release_or_codename={option.platform_version}")
+    print(f"ro.build.version.release_or_preview_display={option.platform_display_version}")
+    print(f"ro.build.version.security_patch={option.platform_security_patch}")
+    print(f"ro.build.version.base_os={option.platform_base_os}")
+    print(f"ro.build.version.min_supported_target_sdk={option.platform_min_supported_target_sdk_version}")
+    print(f"ro.build.date={date}")
+    print(f"ro.build.date.utc={date_utc}")
+    print(f"ro.build.type={option.build_variant}")
+    print(f"ro.build.user={option.build_username}")
+    print(f"ro.build.host={build_hostname}")
+    # TODO: Remove any tag-related optional property declarations once the goals
+    # from go/arc-android-sigprop-changes have been achieved.
+    print(f"ro.build.tags?={build_version_tags}")
+    # ro.build.flavor are used only by the test harness to distinguish builds.
+    # Only add _asan for a sanitized build if it isn't already a part of the
+    # flavor (via a dedicated lunch config for example).
+    print(f"ro.build.flavor={option.build_flavor}")
+
+    # These values are deprecated, use "ro.product.cpu.abilist"
+    # instead (see below).
+    print(f"# ro.product.cpu.abi and ro.product.cpu.abi2 are obsolete,")
+    print(f"# use ro.product.cpu.abilist instead.")
+    print(f"ro.product.cpu.abi={option.cpu_abis[0]}")
+    if len(option.cpu_abis) > 1:
+      print(f"ro.product.cpu.abi2={option.cpu_abis[1]}")
+
+    if option.default_locale:
+      print(f"ro.product.locale={option.default_locale}")
+    print(f"ro.wifi.channels={' '.join(option.default_wifi_channels)}")
+
+    print(f"# ro.build.product is obsolete; use ro.product.device")
+    print(f"ro.build.product={option.device}")
+
+    print(f"# Do not try to parse description or thumbprint")
+    print(f"ro.build.description?={build_desc}")
+    if option.build_thumbprint_file:
+      build_thumbprint = option.build_thumbprint_file.read().strip()
+      print(f"ro.build.thumbprint={build_thumbprint}")
+
+    print(f"# end build properties")
+
+if __name__ == "__main__":
+  main()