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