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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 | 13 | char *get_commit_graph_filename(const char *obj_dir); |
61df89c8 | 14 | int open_commit_graph(const char *graph_file, int *fd, struct stat *st); |
2a2e32bd | 15 | |
177722b3 DS |
16 | /* |
17 | * Given a commit struct, try to fill the commit struct info, including: | |
18 | * 1. tree object | |
19 | * 2. date | |
20 | * 3. parents. | |
21 | * | |
22 | * Returns 1 if and only if the commit was found in the packed graph. | |
23 | * | |
24 | * See parse_commit_buffer() for the fallback after this call. | |
25 | */ | |
dade47c0 | 26 | int parse_commit_in_graph(struct repository *r, struct commit *item); |
177722b3 | 27 | |
e2838d85 DS |
28 | /* |
29 | * It is possible that we loaded commit contents from the commit buffer, | |
30 | * but we also want to ensure the commit-graph content is correctly | |
31 | * checked and filled. Fill the graph_pos and generation members of | |
32 | * the given commit. | |
33 | */ | |
dade47c0 | 34 | void load_commit_graph_info(struct repository *r, struct commit *item); |
e2838d85 | 35 | |
dade47c0 JT |
36 | struct tree *get_commit_tree_in_graph(struct repository *r, |
37 | const struct commit *c); | |
7b8a21db | 38 | |
2a2e32bd DS |
39 | struct commit_graph { |
40 | int graph_fd; | |
41 | ||
42 | const unsigned char *data; | |
43 | size_t data_len; | |
44 | ||
45 | unsigned char hash_len; | |
46 | unsigned char num_chunks; | |
47 | uint32_t num_commits; | |
48 | struct object_id oid; | |
49 | ||
50 | const uint32_t *chunk_oid_fanout; | |
51 | const unsigned char *chunk_oid_lookup; | |
52 | const unsigned char *chunk_commit_data; | |
5af7417b | 53 | const unsigned char *chunk_extra_edges; |
2a2e32bd DS |
54 | }; |
55 | ||
61df89c8 ÆAB |
56 | struct commit_graph *load_commit_graph_one_fd_st(const char *graph_file, |
57 | int fd, struct stat *st); | |
2a2e32bd | 58 | |
aa658574 JS |
59 | struct commit_graph *parse_commit_graph(void *graph_map, int fd, |
60 | size_t graph_size); | |
61 | ||
6cc01743 DS |
62 | /* |
63 | * Return 1 if and only if the repository has a commit-graph | |
64 | * file and generation numbers are computed in that file. | |
65 | */ | |
66 | int generation_numbers_enabled(struct repository *r); | |
67 | ||
7b0f2292 ÆAB |
68 | void write_commit_graph_reachable(const char *obj_dir, int append, |
69 | int report_progress); | |
049d51a2 | 70 | void write_commit_graph(const char *obj_dir, |
d88b14b3 DS |
71 | struct string_list *pack_indexes, |
72 | struct string_list *commit_hex, | |
7b0f2292 | 73 | int append, int report_progress); |
08fd81c9 | 74 | |
283e68c7 DS |
75 | int verify_commit_graph(struct repository *r, struct commit_graph *g); |
76 | ||
829a3215 | 77 | void close_commit_graph(struct repository *); |
c3756d5b JT |
78 | void free_commit_graph(struct commit_graph *); |
79 | ||
08fd81c9 | 80 | #endif |