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// Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
//
// 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.
#ifndef INCLUDED_SRC_BUILDTOOL_EXECUTION_API_LOCAL_CONFIG_HPP
#define INCLUDED_SRC_BUILDTOOL_EXECUTION_API_LOCAL_CONFIG_HPP
#include <exception>
#include <optional>
#include <string>
#include <utility> // std::move
#include <vector>
#include "fmt/core.h"
#include "nlohmann/json.hpp"
#include "src/buildtool/logging/log_level.hpp"
#include "src/buildtool/logging/logger.hpp"
#include "src/utils/cpp/expected.hpp"
/// \brief Store local execution configuration.
struct LocalExecutionConfig final {
class Builder;
// Launcher to be prepended to action's command before executed.
// Default: ["env", "--"]
std::vector<std::string> const launcher = {"env", "--"};
};
class LocalExecutionConfig::Builder final {
public:
auto SetLauncher(std::vector<std::string> launcher) noexcept -> Builder& {
launcher_ = std::move(launcher);
return *this;
}
/// \brief Finalize building and create LocalExecutionConfig.
/// \return LocalExecutionConfig on success, an error string on failure.
[[nodiscard]] auto Build() const noexcept
-> expected<LocalExecutionConfig, std::string> {
// To not duplicate default arguments in builder, create a default
// config and copy arguments from there.
LocalExecutionConfig const default_config;
auto launcher = default_config.launcher;
if (launcher_.has_value()) {
try {
launcher = *launcher_;
} catch (std::exception const& ex) {
return unexpected{
fmt::format("Failed to set launcher:\n{}", ex.what())};
}
}
return LocalExecutionConfig{.launcher = std::move(launcher)};
}
private:
std::optional<std::vector<std::string>> launcher_;
};
#endif // INCLUDED_SRC_BUILDTOOL_EXECUTION_API_LOCAL_CONFIG_HPP
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