#ifndef COMMIT_GRAPH_H
#define COMMIT_GRAPH_H
#include "git-compat-util.h"
#include "repository.h"
#include "string-list.h"
#include "cache.h"
#define GIT_TEST_COMMIT_GRAPH "GIT_TEST_COMMIT_GRAPH"
struct commit;
char *get_commit_graph_filename(const char *obj_dir);
int parse_commit_in_graph(struct repository *r, struct commit *item);
void load_commit_graph_info(struct repository *r, struct commit *item);
struct tree *get_commit_tree_in_graph(struct repository *r,
const struct commit *c);
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_extra_edges;
};
struct commit_graph *load_commit_graph_one(const char *graph_file);
struct commit_graph *parse_commit_graph(void *graph_map, int fd,
size_t graph_size);
int generation_numbers_enabled(struct repository *r);
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);
int verify_commit_graph(struct repository *r, struct commit_graph *g);
void close_commit_graph(struct repository *);
void free_commit_graph(struct commit_graph *);
#endif