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Commit | Line | Data |
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fff42755 VM |
1 | #ifndef PACK_BITMAP_H |
2 | #define PACK_BITMAP_H | |
3 | ||
4 | #include "ewah/ewok.h" | |
5 | #include "khash.h" | |
40d18ff8 | 6 | #include "pack.h" |
7cc8f971 | 7 | #include "pack-objects.h" |
fff42755 | 8 | |
ef3ca954 | 9 | struct commit; |
7c141127 | 10 | struct repository; |
ef3ca954 EN |
11 | struct rev_info; |
12 | ||
af26e2a9 DL |
13 | static const char BITMAP_IDX_SIGNATURE[] = {'B', 'I', 'T', 'M'}; |
14 | ||
fff42755 | 15 | struct bitmap_disk_header { |
af26e2a9 | 16 | char magic[ARRAY_SIZE(BITMAP_IDX_SIGNATURE)]; |
fff42755 VM |
17 | uint16_t version; |
18 | uint16_t options; | |
19 | uint32_t entry_count; | |
0f4d6cad | 20 | unsigned char checksum[GIT_MAX_RAWSZ]; |
fff42755 VM |
21 | }; |
22 | ||
7cc8f971 VM |
23 | #define NEEDS_BITMAP (1u<<22) |
24 | ||
fff42755 | 25 | enum pack_bitmap_opts { |
ae4f07fb VM |
26 | BITMAP_OPT_FULL_DAG = 1, |
27 | BITMAP_OPT_HASH_CACHE = 4, | |
fff42755 VM |
28 | }; |
29 | ||
7cc8f971 VM |
30 | enum pack_bitmap_flags { |
31 | BITMAP_FLAG_REUSE = 0x1 | |
32 | }; | |
33 | ||
fff42755 | 34 | typedef int (*show_reachable_fn)( |
20664967 | 35 | const struct object_id *oid, |
fff42755 VM |
36 | enum object_type type, |
37 | int flags, | |
38 | uint32_t hash, | |
39 | struct packed_git *found_pack, | |
40 | off_t found_offset); | |
41 | ||
3ae5fa07 JT |
42 | struct bitmap_index; |
43 | ||
7c141127 | 44 | struct bitmap_index *prepare_bitmap_git(struct repository *r); |
3ae5fa07 JT |
45 | void count_bitmap_commit_list(struct bitmap_index *, uint32_t *commits, |
46 | uint32_t *trees, uint32_t *blobs, uint32_t *tags); | |
47 | void traverse_bitmap_commit_list(struct bitmap_index *, | |
48 | show_reachable_fn show_reachable); | |
fff42755 | 49 | void test_bitmap_walk(struct rev_info *revs); |
3ae5fa07 JT |
50 | struct bitmap_index *prepare_bitmap_walk(struct rev_info *revs); |
51 | int reuse_partial_packfile_from_bitmap(struct bitmap_index *, | |
52 | struct packed_git **packfile, | |
bb514de3 JK |
53 | uint32_t *entries, |
54 | struct bitmap **reuse_out); | |
3ae5fa07 | 55 | int rebuild_existing_bitmaps(struct bitmap_index *, struct packing_data *mapping, |
d2bc62b1 | 56 | kh_oid_map_t *reused_bitmaps, int show_progress); |
f3c23db2 | 57 | void free_bitmap_index(struct bitmap_index *); |
40d18ff8 JK |
58 | int bitmap_walk_contains(struct bitmap_index *, |
59 | struct bitmap *bitmap, const struct object_id *oid); | |
7cc8f971 | 60 | |
30cdc33f | 61 | /* |
5476fb07 | 62 | * After a traversal has been performed by prepare_bitmap_walk(), this can be |
30cdc33f JK |
63 | * queried to see if a particular object was reachable from any of the |
64 | * objects flagged as UNINTERESTING. | |
65 | */ | |
3c771448 | 66 | int bitmap_has_oid_in_uninteresting(struct bitmap_index *, const struct object_id *oid); |
30cdc33f | 67 | |
7cc8f971 VM |
68 | void bitmap_writer_show_progress(int show); |
69 | void bitmap_writer_set_checksum(unsigned char *sha1); | |
06af3bba NTND |
70 | void bitmap_writer_build_type_index(struct packing_data *to_pack, |
71 | struct pack_idx_entry **index, | |
72 | uint32_t index_nr); | |
7cc8f971 VM |
73 | void bitmap_writer_reuse_bitmaps(struct packing_data *to_pack); |
74 | void bitmap_writer_select_commits(struct commit **indexed_commits, | |
75 | unsigned int indexed_commits_nr, int max_bitmaps); | |
76 | void bitmap_writer_build(struct packing_data *to_pack); | |
77 | void bitmap_writer_finish(struct pack_idx_entry **index, | |
78 | uint32_t index_nr, | |
ae4f07fb VM |
79 | const char *filename, |
80 | uint16_t options); | |
fff42755 VM |
81 | |
82 | #endif |