universal7885: Assert on firmware version

* <= Pie firmwares aren't supported

Change-Id: Ibe4ba20f05141c5bf0726f4f4a5a6c0cc5672e29
Signed-off-by: SamarV-121 <samarvispute121@pm.me>

BoardConfigCommon.mk

@@ -24,6 +24,9 @@ TARGET_2ND_CPU_ABI2 := armeabi
 TARGET_2ND_CPU_VARIANT := generic
 TARGET_2ND_CPU_VARIANT_RUNTIME := cortex-a53
 
+# Board
+TARGET_BOARD_INFO_FILE := $(COMMON_PATH)/board-info.txt
+
 # Bluetooth
 BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := $(COMMON_PATH)/bluetooth
 BOARD_HAVE_BLUETOOTH_SLSI := true
@@ -79,6 +82,10 @@ TARGET_VENDOR_PROP += $(COMMON_PATH)/vendor.prop
 # Recovery
 BOARD_HAS_DOWNLOAD_MODE := true
 
+# Releasetools
+TARGET_RECOVERY_UPDATER_LIBS := librecovery_updater_universal7904
+TARGET_RELEASETOOLS_EXTENSIONS := $(COMMON_PATH)
+
 # Sepolicy
 include device/lineage/sepolicy/exynos/sepolicy.mk
 include device/samsung_slsi/sepolicy/sepolicy.mk

board-info.txt

@@ -0,0 +1 @@
+require version-bootloader-min=C

recovery/Android.bp

@@ -0,0 +1,28 @@
+//
+// Copyright (C) 2021 The LineageOS 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.
+//
+
+cc_library_static {
+    name: "librecovery_updater_universal7904",
+    srcs: [
+        "recovery_updater.cpp",
+    ],
+    include_dirs: [
+        "system/core/base/include",
+        "bootable/recovery",
+        "bootable/recovery/edify/include",
+        "bootable/recovery/otautil/include"
+    ],
+}

recovery/recovery_updater.cpp

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2021, The LineageOS 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.
+ */
+
+#include <android-base/properties.h>
+
+#include "edify/expr.h"
+#include "otautil/error_code.h"
+
+Value *VerifyBootloader(const char *name, State *state,
+                        const std::vector<std::unique_ptr<Expr>> &argv) {
+  int ret = 0;
+  std::string bootloader = android::base::GetProperty("ro.boot.bootloader", "");
+  if (bootloader.empty()) {
+    return ErrorAbort(state, kFileGetPropFailure,
+                      "%s() failed to read current bootloader version", name);
+  }
+
+  std::string min_supported_bootloader_arg;
+  if (argv.empty() || !Evaluate(state, argv[0], &min_supported_bootloader_arg)) {
+    return ErrorAbort(state, kArgsParsingFailure,
+                      "%s() error parsing arguments", name);
+  }
+  int min_supported_bootloader = int(min_supported_bootloader_arg[0]);
+
+  int version = 0;
+  if (bootloader.length() >= 4)
+    version = int(bootloader[bootloader.length() - 4]);
+
+  if (version >= min_supported_bootloader) {
+    ret = 1;
+  }
+
+  return StringValue(std::to_string(ret));
+}
+
+void Register_librecovery_updater_universal7904() {
+  RegisterFunction("universal7904.verify_bootloader_min", VerifyBootloader);
+}

releasetools.py

@@ -0,0 +1,26 @@
+#!/bin/env python3
+#
+# Copyright (C) 2021 The LineageOS 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.
+
+import common
+import re
+
+def FullOTA_Assertions(info):
+  android_info = info.input_zip.read("OTA/android-info.txt")
+  m = re.search(r'require\s+version-bootloader-min\s*=\s*(\S+)', android_info)
+  if m:
+    bootloader_version = m.group(1)
+    cmd = ('assert(universal7904.verify_bootloader_min("{}") == "1" || abort("ERROR: This package requires Android 10 or 11 based firmware. Please upgrade firmware and retry!"););').format(bootloader_version)
+    info.script.AppendExtra(cmd)