user-manual.txt: render ASCII art correctly under Asciidoctor
[git/git.git] / midx.h
1 #ifndef MIDX_H
2 #define MIDX_H
3
4 #include "repository.h"
5
6 struct object_id;
7 struct pack_entry;
8 struct repository;
9
10 #define GIT_TEST_MULTI_PACK_INDEX "GIT_TEST_MULTI_PACK_INDEX"
11
12 struct multi_pack_index {
13 struct multi_pack_index *next;
14
15 int fd;
16
17 const unsigned char *data;
18 size_t data_len;
19
20 uint32_t signature;
21 unsigned char version;
22 unsigned char hash_len;
23 unsigned char num_chunks;
24 uint32_t num_packs;
25 uint32_t num_objects;
26
27 int local;
28
29 const unsigned char *chunk_pack_names;
30 const uint32_t *chunk_oid_fanout;
31 const unsigned char *chunk_oid_lookup;
32 const unsigned char *chunk_object_offsets;
33 const unsigned char *chunk_large_offsets;
34
35 const char **pack_names;
36 struct packed_git **packs;
37 char object_dir[FLEX_ARRAY];
38 };
39
40 struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local);
41 int prepare_midx_pack(struct repository *r, struct multi_pack_index *m, uint32_t pack_int_id);
42 int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
43 struct object_id *nth_midxed_object_oid(struct object_id *oid,
44 struct multi_pack_index *m,
45 uint32_t n);
46 int fill_midx_entry(struct repository *r, const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
47 int midx_contains_pack(struct multi_pack_index *m, const char *idx_or_pack_name);
48 int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, int local);
49
50 int write_midx_file(const char *object_dir);
51 void clear_midx_file(struct repository *r);
52 int verify_midx_file(struct repository *r, const char *object_dir);
53 int expire_midx_packs(struct repository *r, const char *object_dir);
54 int midx_repack(struct repository *r, const char *object_dir, size_t batch_size);
55
56 void close_midx(struct multi_pack_index *m);
57
58 #endif