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