Git CAS: Add a Git context class to maintain the libgit2 state

1 files changed, 36 insertions, 0 deletions

diff --git a/src/buildtool/file_system/git_context.hpp b/src/buildtool/file_system/git_context.hpp
new file mode 100644
index 00000000..d6aaeab6
--- /dev/null
+++ b/src/buildtool/file_system/git_context.hpp
@@ -0,0 +1,36 @@
+// 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_FILE_SYSTEM_GIT_CONTEXT_HPP
+#define INCLUDED_SRC_BUILDTOOL_FILE_SYSTEM_GIT_CONTEXT_HPP
+
+/// \brief Maintainer of a libgit2 state.
+/// Classes, static methods, and global functions dealing with Git operations
+/// should create a GitContext before using Git operations.
+class GitContext {
+  public:
+    // prohibit moves and copies
+    GitContext(GitContext const&) = delete;
+    GitContext(GitContext&& other) = delete;
+    auto operator=(GitContext const&) = delete;
+    auto operator=(GitContext&& other) = delete;
+
+    GitContext() noexcept;
+    ~GitContext() noexcept;
+
+  private:
+    bool initialized_{false};
+};
+
+#endif  // INCLUDED_SRC_BUILDTOOL_FILE_SYSTEM_GIT_CONTEXT_HPP
\ No newline at end of file