-void write_commit_graph_reachable(const char *obj_dir, int append,
- int report_progress);
-void write_commit_graph(const char *obj_dir,
- struct string_list *pack_indexes,
- struct string_list *commit_hex,
- int append, int report_progress);
+#define COMMIT_GRAPH_APPEND (1 << 0)
+#define COMMIT_GRAPH_PROGRESS (1 << 1)
+#define COMMIT_GRAPH_SPLIT (1 << 2)
+
+struct split_commit_graph_opts {
+ int size_multiple;
+ int max_commits;
+ timestamp_t expire_time;
+};
+
+/*
+ * The write_commit_graph* methods return zero on success
+ * and a negative value on failure. Note that if the repository
+ * is not compatible with the commit-graph feature, then the
+ * methods will return 0 without writing a commit-graph.
+ */
+int write_commit_graph_reachable(const char *obj_dir, unsigned int flags,
+ const struct split_commit_graph_opts *split_opts);
+int write_commit_graph(const char *obj_dir,
+ struct string_list *pack_indexes,
+ struct string_list *commit_hex,
+ unsigned int flags,
+ const struct split_commit_graph_opts *split_opts);
+
+#define COMMIT_GRAPH_VERIFY_SHALLOW (1 << 0)