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08fd81c9 DS |
1 | #ifndef COMMIT_GRAPH_H |
2 | #define COMMIT_GRAPH_H | |
3 | ||
2a2e32bd | 4 | #include "git-compat-util.h" |
283e68c7 | 5 | #include "repository.h" |
d88b14b3 | 6 | #include "string-list.h" |
2a2e32bd | 7 | |
e5c5ca27 JT |
8 | struct commit; |
9 | ||
2a2e32bd DS |
10 | char *get_commit_graph_filename(const char *obj_dir); |
11 | ||
177722b3 DS |
12 | /* |
13 | * Given a commit struct, try to fill the commit struct info, including: | |
14 | * 1. tree object | |
15 | * 2. date | |
16 | * 3. parents. | |
17 | * | |
18 | * Returns 1 if and only if the commit was found in the packed graph. | |
19 | * | |
20 | * See parse_commit_buffer() for the fallback after this call. | |
21 | */ | |
dade47c0 | 22 | int parse_commit_in_graph(struct repository *r, struct commit *item); |
177722b3 | 23 | |
e2838d85 DS |
24 | /* |
25 | * It is possible that we loaded commit contents from the commit buffer, | |
26 | * but we also want to ensure the commit-graph content is correctly | |
27 | * checked and filled. Fill the graph_pos and generation members of | |
28 | * the given commit. | |
29 | */ | |
dade47c0 | 30 | void load_commit_graph_info(struct repository *r, struct commit *item); |
e2838d85 | 31 | |
dade47c0 JT |
32 | struct tree *get_commit_tree_in_graph(struct repository *r, |
33 | const struct commit *c); | |
7b8a21db | 34 | |
2a2e32bd DS |
35 | struct commit_graph { |
36 | int graph_fd; | |
37 | ||
38 | const unsigned char *data; | |
39 | size_t data_len; | |
40 | ||
41 | unsigned char hash_len; | |
42 | unsigned char num_chunks; | |
43 | uint32_t num_commits; | |
44 | struct object_id oid; | |
45 | ||
46 | const uint32_t *chunk_oid_fanout; | |
47 | const unsigned char *chunk_oid_lookup; | |
48 | const unsigned char *chunk_commit_data; | |
49 | const unsigned char *chunk_large_edges; | |
50 | }; | |
51 | ||
52 | struct commit_graph *load_commit_graph_one(const char *graph_file); | |
53 | ||
59fb8770 | 54 | void write_commit_graph_reachable(const char *obj_dir, int append); |
049d51a2 | 55 | void write_commit_graph(const char *obj_dir, |
d88b14b3 DS |
56 | struct string_list *pack_indexes, |
57 | struct string_list *commit_hex, | |
7547b95b | 58 | int append); |
08fd81c9 | 59 | |
283e68c7 DS |
60 | int verify_commit_graph(struct repository *r, struct commit_graph *g); |
61 | ||
c3756d5b JT |
62 | void free_commit_graph(struct commit_graph *); |
63 | ||
08fd81c9 | 64 | #endif |