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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.
#include "src/other_tools/just_mr/utils.hpp"
#include "src/buildtool/execution_api/local/local_cas.hpp"
#include "src/buildtool/file_system/file_storage.hpp"
#include "src/utils/cpp/path.hpp"
namespace JustMR::Utils {
auto GetGitCacheRoot() noexcept -> std::filesystem::path {
return LocalExecutionConfig::BuildRoot() / "git";
}
auto GetGitRoot(JustMR::PathsPtr const& just_mr_paths,
std::string const& repo_url) noexcept -> std::filesystem::path {
if (just_mr_paths->git_checkout_locations.contains(repo_url)) {
return std::filesystem::absolute(ToNormalPath(std::filesystem::path(
just_mr_paths->git_checkout_locations[repo_url])));
}
auto repo_url_as_path = std::filesystem::absolute(
ToNormalPath(std::filesystem::path(repo_url)));
if (not repo_url_as_path.empty() and
FileSystemManager::IsAbsolutePath(repo_url_as_path) and
FileSystemManager::IsDirectory(repo_url_as_path)) {
return repo_url_as_path;
}
return GetGitCacheRoot();
}
auto CreateTypedTmpDir(std::string const& type) noexcept -> TmpDirPtr {
// try to create parent dir
auto parent_path =
LocalExecutionConfig::BuildRoot() / "tmp-workspaces" / type;
return TmpDir::Create(parent_path);
}
auto GetArchiveTreeIDFile(std::string const& repo_type,
std::string const& content) noexcept
-> std::filesystem::path {
return LocalExecutionConfig::BuildRoot() / "tree-map" / repo_type / content;
}
auto GetDistdirTreeIDFile(std::string const& content) noexcept
-> std::filesystem::path {
return LocalExecutionConfig::BuildRoot() / "distfiles-tree-map" / content;
}
auto WriteTreeIDFile(std::filesystem::path const& tree_id_file,
std::string const& tree_id) noexcept -> bool {
// needs to be done safely, so use the rename trick
auto tmp_dir = TmpDir::Create(tree_id_file.parent_path());
if (not tmp_dir) {
Logger::Log(LogLevel::Error,
"could not create tmp dir for writing tree id file {}",
tree_id_file.string());
return false;
}
std::filesystem::path tmp_file{tmp_dir->GetPath() / "tmp_file"};
if (not FileSystemManager::WriteFile(tree_id, tmp_file)) {
Logger::Log(LogLevel::Error, "could not create tmp tree id file");
return false;
}
return FileSystemManager::Rename(tmp_file.string(), tree_id_file);
}
auto AddToCAS(std::string const& data) noexcept
-> std::optional<std::filesystem::path> {
// get file CAS instance
auto const& casf = LocalCAS<ObjectType::File>::Instance();
// write to casf
auto digest = casf.StoreBlobFromBytes(data);
if (digest) {
return casf.BlobPath(*digest);
}
return std::nullopt;
}
void AddDistfileToCAS(std::filesystem::path const& distfile,
JustMR::PathsPtr const& just_mr_paths) noexcept {
auto const& casf = LocalCAS<ObjectType::File>::Instance();
for (auto const& dirpath : just_mr_paths->distdirs) {
auto candidate = dirpath / distfile;
if (FileSystemManager::Exists(candidate)) {
// try to add to CAS
[[maybe_unused]] auto digest = casf.StoreBlobFromFile(candidate);
}
}
}
// NOLINTNEXTLINE(misc-no-recursion)
auto ResolveRepo(ExpressionPtr const& repo_desc,
ExpressionPtr const& repos,
gsl::not_null<std::unordered_set<std::string>*> const& seen)
-> std::optional<ExpressionPtr> {
if (not repo_desc->IsString()) {
return repo_desc;
}
auto desc_str = repo_desc->String();
if (seen->contains(desc_str)) {
// cyclic dependency
return std::nullopt;
}
[[maybe_unused]] auto insert_res = seen->insert(desc_str);
return ResolveRepo(repos[desc_str]["repository"], repos, seen);
}
auto ResolveRepo(ExpressionPtr const& repo_desc,
ExpressionPtr const& repos) noexcept
-> std::optional<ExpressionPtr> {
std::unordered_set<std::string> seen = {};
try {
return ResolveRepo(repo_desc, repos, &seen);
} catch (std::exception const& e) {
Logger::Log(LogLevel::Error,
"Config: while resolving dependencies: {}",
e.what());
return std::nullopt;
}
}
} // namespace JustMR::Utils
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