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Commit | Line | Data |
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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" |
ef3ca954 | 7 | #include "cache.h" |
2a2e32bd | 8 | |
859fdc0c DS |
9 | #define GIT_TEST_COMMIT_GRAPH "GIT_TEST_COMMIT_GRAPH" |
10 | ||
e5c5ca27 JT |
11 | struct commit; |
12 | ||
2a2e32bd DS |
13 | char *get_commit_graph_filename(const char *obj_dir); |
14 | ||
177722b3 DS |
15 | /* |
16 | * Given a commit struct, try to fill the commit struct info, including: | |
17 | * 1. tree object | |
18 | * 2. date | |
19 | * 3. parents. | |
20 | * | |
21 | * Returns 1 if and only if the commit was found in the packed graph. | |
22 | * | |
23 | * See parse_commit_buffer() for the fallback after this call. | |
24 | */ | |
dade47c0 | 25 | int parse_commit_in_graph(struct repository *r, struct commit *item); |
177722b3 | 26 | |
e2838d85 DS |
27 | /* |
28 | * It is possible that we loaded commit contents from the commit buffer, | |
29 | * but we also want to ensure the commit-graph content is correctly | |
30 | * checked and filled. Fill the graph_pos and generation members of | |
31 | * the given commit. | |
32 | */ | |
dade47c0 | 33 | void load_commit_graph_info(struct repository *r, struct commit *item); |
e2838d85 | 34 | |
dade47c0 JT |
35 | struct tree *get_commit_tree_in_graph(struct repository *r, |
36 | const struct commit *c); | |
7b8a21db | 37 | |
2a2e32bd DS |
38 | struct commit_graph { |
39 | int graph_fd; | |
40 | ||
41 | const unsigned char *data; | |
42 | size_t data_len; | |
43 | ||
44 | unsigned char hash_len; | |
45 | unsigned char num_chunks; | |
46 | uint32_t num_commits; | |
47 | struct object_id oid; | |
48 | ||
49 | const uint32_t *chunk_oid_fanout; | |
50 | const unsigned char *chunk_oid_lookup; | |
51 | const unsigned char *chunk_commit_data; | |
52 | const unsigned char *chunk_large_edges; | |
53 | }; | |
54 | ||
55 | struct commit_graph *load_commit_graph_one(const char *graph_file); | |
56 | ||
6cc01743 DS |
57 | /* |
58 | * Return 1 if and only if the repository has a commit-graph | |
59 | * file and generation numbers are computed in that file. | |
60 | */ | |
61 | int generation_numbers_enabled(struct repository *r); | |
62 | ||
7b0f2292 ÆAB |
63 | void write_commit_graph_reachable(const char *obj_dir, int append, |
64 | int report_progress); | |
049d51a2 | 65 | void write_commit_graph(const char *obj_dir, |
d88b14b3 DS |
66 | struct string_list *pack_indexes, |
67 | struct string_list *commit_hex, | |
7b0f2292 | 68 | int append, int report_progress); |
08fd81c9 | 69 | |
283e68c7 DS |
70 | int verify_commit_graph(struct repository *r, struct commit_graph *g); |
71 | ||
829a3215 | 72 | void close_commit_graph(struct repository *); |
c3756d5b JT |
73 | void free_commit_graph(struct commit_graph *); |
74 | ||
08fd81c9 | 75 | #endif |