chore: import upstream snapshot with attribution

vminitd/Sources/CVersion/include/version.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright © 2026 Apple Inc. and the Containerization project authors.
+ *
+ * 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
+ *
+ *   https://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 CZ_VERSION_H
+#define CZ_VERSION_H
+
+const char* CZ_get_git_commit(void);
+const char* CZ_get_git_tag(void);
+const char* CZ_get_build_time(void);
+
+#endif

vminitd/Sources/CVersion/version.c

@@ -0,0 +1,41 @@
+/*
+ * Copyright © 2026 Apple Inc. and the Containerization project authors.
+ *
+ * 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
+ *
+ *   https://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 "version.h"
+
+#ifndef GIT_COMMIT
+#define GIT_COMMIT "unspecified"
+#endif
+
+#ifndef GIT_TAG
+#define GIT_TAG ""
+#endif
+
+#ifndef BUILD_TIME
+#define BUILD_TIME "unspecified"
+#endif
+
+const char* CZ_get_git_commit(void) {
+    return GIT_COMMIT;
+}
+
+const char* CZ_get_git_tag(void) {
+    return GIT_TAG;
+}
+
+const char* CZ_get_build_time(void) {
+    return BUILD_TIME;
+}