commit-graph: implement git commit-graph read
[git] / commit-graph.h
1 #ifndef COMMIT_GRAPH_H
2 #define COMMIT_GRAPH_H
3
4 #include "git-compat-util.h"
5
6 char *get_commit_graph_filename(const char *obj_dir);
7
8 struct commit_graph {
9         int graph_fd;
10
11         const unsigned char *data;
12         size_t data_len;
13
14         unsigned char hash_len;
15         unsigned char num_chunks;
16         uint32_t num_commits;
17         struct object_id oid;
18
19         const uint32_t *chunk_oid_fanout;
20         const unsigned char *chunk_oid_lookup;
21         const unsigned char *chunk_commit_data;
22         const unsigned char *chunk_large_edges;
23 };
24
25 struct commit_graph *load_commit_graph_one(const char *graph_file);
26
27 void write_commit_graph(const char *obj_dir);
28
29 #endif