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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 | 11 | struct rev_info; |
6663ae0a | 12 | struct list_objects_filter_options; |
ef3ca954 | 13 | |
af26e2a9 DL |
14 | static const char BITMAP_IDX_SIGNATURE[] = {'B', 'I', 'T', 'M'}; |
15 | ||
fff42755 | 16 | struct bitmap_disk_header { |
af26e2a9 | 17 | char magic[ARRAY_SIZE(BITMAP_IDX_SIGNATURE)]; |
fff42755 VM |
18 | uint16_t version; |
19 | uint16_t options; | |
20 | uint32_t entry_count; | |
0f4d6cad | 21 | unsigned char checksum[GIT_MAX_RAWSZ]; |
fff42755 VM |
22 | }; |
23 | ||
7cc8f971 VM |
24 | #define NEEDS_BITMAP (1u<<22) |
25 | ||
fff42755 | 26 | enum pack_bitmap_opts { |
ae4f07fb VM |
27 | BITMAP_OPT_FULL_DAG = 1, |
28 | BITMAP_OPT_HASH_CACHE = 4, | |
fff42755 VM |
29 | }; |
30 | ||
7cc8f971 VM |
31 | enum pack_bitmap_flags { |
32 | BITMAP_FLAG_REUSE = 0x1 | |
33 | }; | |
34 | ||
fff42755 | 35 | typedef int (*show_reachable_fn)( |
20664967 | 36 | const struct object_id *oid, |
fff42755 VM |
37 | enum object_type type, |
38 | int flags, | |
39 | uint32_t hash, | |
40 | struct packed_git *found_pack, | |
41 | off_t found_offset); | |
42 | ||
3ae5fa07 JT |
43 | struct bitmap_index; |
44 | ||
7c141127 | 45 | struct bitmap_index *prepare_bitmap_git(struct repository *r); |
3ae5fa07 JT |
46 | void count_bitmap_commit_list(struct bitmap_index *, uint32_t *commits, |
47 | uint32_t *trees, uint32_t *blobs, uint32_t *tags); | |
48 | void traverse_bitmap_commit_list(struct bitmap_index *, | |
4eb707eb | 49 | struct rev_info *revs, |
3ae5fa07 | 50 | show_reachable_fn show_reachable); |
fff42755 | 51 | void test_bitmap_walk(struct rev_info *revs); |
6663ae0a JK |
52 | struct bitmap_index *prepare_bitmap_walk(struct rev_info *revs, |
53 | struct list_objects_filter_options *filter); | |
3ae5fa07 JT |
54 | int reuse_partial_packfile_from_bitmap(struct bitmap_index *, |
55 | struct packed_git **packfile, | |
bb514de3 JK |
56 | uint32_t *entries, |
57 | struct bitmap **reuse_out); | |
3ae5fa07 | 58 | int rebuild_existing_bitmaps(struct bitmap_index *, struct packing_data *mapping, |
d2bc62b1 | 59 | kh_oid_map_t *reused_bitmaps, int show_progress); |
f3c23db2 | 60 | void free_bitmap_index(struct bitmap_index *); |
40d18ff8 JK |
61 | int bitmap_walk_contains(struct bitmap_index *, |
62 | struct bitmap *bitmap, const struct object_id *oid); | |
7cc8f971 | 63 | |
30cdc33f | 64 | /* |
5476fb07 | 65 | * After a traversal has been performed by prepare_bitmap_walk(), this can be |
30cdc33f JK |
66 | * queried to see if a particular object was reachable from any of the |
67 | * objects flagged as UNINTERESTING. | |
68 | */ | |
3c771448 | 69 | int bitmap_has_oid_in_uninteresting(struct bitmap_index *, const struct object_id *oid); |
30cdc33f | 70 | |
7cc8f971 VM |
71 | void bitmap_writer_show_progress(int show); |
72 | void bitmap_writer_set_checksum(unsigned char *sha1); | |
06af3bba NTND |
73 | void bitmap_writer_build_type_index(struct packing_data *to_pack, |
74 | struct pack_idx_entry **index, | |
75 | uint32_t index_nr); | |
7cc8f971 VM |
76 | void bitmap_writer_reuse_bitmaps(struct packing_data *to_pack); |
77 | void bitmap_writer_select_commits(struct commit **indexed_commits, | |
78 | unsigned int indexed_commits_nr, int max_bitmaps); | |
79 | void bitmap_writer_build(struct packing_data *to_pack); | |
80 | void bitmap_writer_finish(struct pack_idx_entry **index, | |
81 | uint32_t index_nr, | |
ae4f07fb VM |
82 | const char *filename, |
83 | uint16_t options); | |
fff42755 VM |
84 | |
85 | #endif |