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08fd81c9 DS |
1 | #ifndef COMMIT_GRAPH_H |
2 | #define COMMIT_GRAPH_H | |
3 | ||
2a2e32bd DS |
4 | #include "git-compat-util.h" |
5 | ||
6 | char *get_commit_graph_filename(const char *obj_dir); | |
7 | ||
177722b3 DS |
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 | ||
e2838d85 DS |
20 | /* |
21 | * It is possible that we loaded commit contents from the commit buffer, | |
22 | * but we also want to ensure the commit-graph content is correctly | |
23 | * checked and filled. Fill the graph_pos and generation members of | |
24 | * the given commit. | |
25 | */ | |
26 | void load_commit_graph_info(struct commit *item); | |
27 | ||
7b8a21db DS |
28 | struct tree *get_commit_tree_in_graph(const struct commit *c); |
29 | ||
2a2e32bd DS |
30 | struct commit_graph { |
31 | int graph_fd; | |
32 | ||
33 | const unsigned char *data; | |
34 | size_t data_len; | |
35 | ||
36 | unsigned char hash_len; | |
37 | unsigned char num_chunks; | |
38 | uint32_t num_commits; | |
39 | struct object_id oid; | |
40 | ||
41 | const uint32_t *chunk_oid_fanout; | |
42 | const unsigned char *chunk_oid_lookup; | |
43 | const unsigned char *chunk_commit_data; | |
44 | const unsigned char *chunk_large_edges; | |
45 | }; | |
46 | ||
47 | struct commit_graph *load_commit_graph_one(const char *graph_file); | |
48 | ||
049d51a2 DS |
49 | void write_commit_graph(const char *obj_dir, |
50 | const char **pack_indexes, | |
3d5df01b DS |
51 | int nr_packs, |
52 | const char **commit_hex, | |
7547b95b DS |
53 | int nr_commits, |
54 | int append); | |
08fd81c9 DS |
55 | |
56 | #endif |