#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