#ifndef COMMIT_GRAPH_H
#define COMMIT_GRAPH_H

#include "git-compat-util.h"

char *get_commit_graph_filename(const char *obj_dir);

struct commit_graph {
	int graph_fd;

	const unsigned char *data;
	size_t data_len;

	unsigned char hash_len;
	unsigned char num_chunks;
	uint32_t num_commits;
	struct object_id oid;

	const uint32_t *chunk_oid_fanout;
	const unsigned char *chunk_oid_lookup;
	const unsigned char *chunk_commit_data;
	const unsigned char *chunk_large_edges;
};

struct commit_graph *load_commit_graph_one(const char *graph_file);

void write_commit_graph(const char *obj_dir);

#endif