feat: upgrade libgit2

libgit2/headers/git2/global.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_git_global_h__
+#define INCLUDE_git_global_h__
+
+#include "common.h"
+
+GIT_BEGIN_DECL
+
+/**
+ * Init the global state
+ *
+ * This function must be called before any other libgit2 function in
+ * order to set up global state and threading.
+ *
+ * This function may be called multiple times - it will return the number
+ * of times the initialization has been called (including this one) that have
+ * not subsequently been shutdown.
+ *
+ * @return the number of initializations of the library, or an error code.
+ */
+GIT_EXTERN(int) git_libgit2_init(void);
+
+/**
+ * Shutdown the global state
+ *
+ * Clean up the global state and threading context after calling it as
+ * many times as `git_libgit2_init()` was called - it will return the
+ * number of remainining initializations that have not been shutdown
+ * (after this one).
+ * 
+ * @return the number of remaining initializations of the library, or an
+ * error code.
+ */
+GIT_EXTERN(int) git_libgit2_shutdown(void);
+
+/** @} */
+GIT_END_DECL
+#endif
+