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57 lines
1.9 KiB
57 lines
1.9 KiB
//
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// Copyright (C) 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "update_engine/update_manager/minimum_version_policy_impl.h"
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#include <base/version.h>
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using chromeos_update_engine::ErrorCode;
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using chromeos_update_engine::InstallPlan;
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namespace chromeos_update_manager {
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EvalStatus MinimumVersionPolicyImpl::UpdateCanBeApplied(
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EvaluationContext* ec,
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State* state,
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std::string* error,
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ErrorCode* result,
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InstallPlan* install_plan) const {
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const base::Version* current_version(
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ec->GetValue(state->system_provider()->var_chromeos_version()));
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if (current_version == nullptr || !current_version->IsValid()) {
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LOG(WARNING) << "Unable to access current version";
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return EvalStatus::kContinue;
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}
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const base::Version* minimum_version = ec->GetValue(
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state->device_policy_provider()->var_device_minimum_version());
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if (minimum_version == nullptr || !minimum_version->IsValid()) {
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LOG(WARNING) << "Unable to access minimum version";
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return EvalStatus::kContinue;
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}
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if (*current_version < *minimum_version) {
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LOG(INFO) << "Updating from version less than minimum required"
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", allowing update to be applied.";
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*result = ErrorCode::kSuccess;
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return EvalStatus::kSucceeded;
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}
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return EvalStatus::kContinue;
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}
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} // namespace chromeos_update_manager
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