send-email: fix broken transferEncoding tests
[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 /*
9  * Given a commit struct, try to fill the commit struct info, including:
10  *  1. tree object
11  *  2. date
12  *  3. parents.
13  *
14  * Returns 1 if and only if the commit was found in the packed graph.
15  *
16  * See parse_commit_buffer() for the fallback after this call.
17  */
18 int parse_commit_in_graph(struct commit *item);
19
20 struct tree *get_commit_tree_in_graph(const struct commit *c);
21
22 struct commit_graph {
23         int graph_fd;
24
25         const unsigned char *data;
26         size_t data_len;
27
28         unsigned char hash_len;
29         unsigned char num_chunks;
30         uint32_t num_commits;
31         struct object_id oid;
32
33         const uint32_t *chunk_oid_fanout;
34         const unsigned char *chunk_oid_lookup;
35         const unsigned char *chunk_commit_data;
36         const unsigned char *chunk_large_edges;
37 };
38
39 struct commit_graph *load_commit_graph_one(const char *graph_file);
40
41 void write_commit_graph(const char *obj_dir,
42                         const char **pack_indexes,
43                         int nr_packs,
44                         const char **commit_hex,
45                         int nr_commits,
46                         int append);
47
48 #endif