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// Copyright 2025 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 BOOTSTRAP_BUILD_TOOL
#include "src/buildtool/serve_api/remote/serve_api.hpp"
#include "fmt/core.h"
#include "src/buildtool/common/artifact.hpp"
#include "src/buildtool/common/protocol_traits.hpp"
#include "src/buildtool/common/repository_config.hpp"
#include "src/buildtool/crypto/hash_function.hpp"
#include "src/buildtool/execution_api/common/execution_api.hpp"
#include "src/buildtool/execution_api/serve/mr_git_api.hpp"
#include "src/buildtool/execution_api/utils/rehash_utils.hpp"
#include "src/buildtool/file_system/object_type.hpp"
auto ServeApi::UploadTree(ArtifactDigest const& tree,
std::filesystem::path const& git_repo) const noexcept
-> expected<std::monostate, UploadError> {
static constexpr bool kIsSyncError = true;
if (not tree.IsTree() or not ProtocolTraits::IsNative(tree.GetHashType())) {
return unexpected{UploadError{
fmt::format("Not a git tree: {}", tree.hash()), not kIsSyncError}};
}
RepositoryConfig repo;
if (not repo.SetGitCAS(git_repo)) {
return unexpected{UploadError{
fmt::format("Failed to SetGitCAS at {}", git_repo.string()),
not kIsSyncError}};
}
bool const with_rehashing =
not ProtocolTraits::IsNative(storage_config_.hash_function.GetType());
// Create a native storage config if rehashing is needed:
std::optional<StorageConfig> native_storage_config;
if (with_rehashing) {
auto config = StorageConfig::Builder::Rebuild(storage_config_)
.SetHashType(HashFunction::Type::GitSHA1)
.Build();
if (not config.has_value()) {
return unexpected{
UploadError{fmt::format("Failed to create native storage: {}",
std::move(config).error()),
not kIsSyncError}};
}
native_storage_config.emplace(*config);
}
std::shared_ptr<IExecutionApi> git_api;
if (with_rehashing) {
git_api = std::make_shared<MRGitApi>(
&repo, &*native_storage_config, &storage_config_, &*apis_.local);
}
else {
git_api = std::make_shared<MRGitApi>(&repo, &storage_config_);
}
// Upload tree to remote CAS:
if (not git_api->RetrieveToCas(
{Artifact::ObjectInfo{tree, ObjectType::Tree}}, *apis_.remote)) {
return unexpected{
UploadError{fmt::format("Failed to sync tree {} from repository {}",
tree.hash(),
git_repo.string()),
not kIsSyncError}};
}
ArtifactDigest on_remote = tree;
// Read rehashed digest if needed:
if (with_rehashing) {
auto rehashed = RehashUtils::ReadRehashedDigest(
tree, *native_storage_config, storage_config_, /*from_git=*/true);
if (not rehashed.has_value()) {
return unexpected{
UploadError{std::move(rehashed).error(), not kIsSyncError}};
}
if (not rehashed.value().has_value()) {
return unexpected{UploadError{
fmt::format("No digest provided to sync root tree {}",
tree.hash()),
kIsSyncError}};
}
on_remote = rehashed.value()->digest;
}
// Ask serve to get tree from remote:
if (not this->GetTreeFromRemote(on_remote)) {
return unexpected{UploadError{
fmt::format("Serve endpoint failed to sync root tree {}.",
tree.hash()),
kIsSyncError}};
}
return std::monostate{};
}
#endif
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