6 #include "pack-objects.h"
12 static const char BITMAP_IDX_SIGNATURE
[] = {'B', 'I', 'T', 'M'};
14 struct bitmap_disk_header
{
15 char magic
[ARRAY_SIZE(BITMAP_IDX_SIGNATURE
)];
19 unsigned char checksum
[GIT_MAX_RAWSZ
];
22 #define NEEDS_BITMAP (1u<<22)
24 enum pack_bitmap_opts
{
25 BITMAP_OPT_FULL_DAG
= 1,
26 BITMAP_OPT_HASH_CACHE
= 4,
29 enum pack_bitmap_flags
{
30 BITMAP_FLAG_REUSE
= 0x1
33 typedef int (*show_reachable_fn
)(
34 const struct object_id
*oid
,
35 enum object_type type
,
38 struct packed_git
*found_pack
,
43 struct bitmap_index
*prepare_bitmap_git(struct repository
*r
);
44 void count_bitmap_commit_list(struct bitmap_index
*, uint32_t *commits
,
45 uint32_t *trees
, uint32_t *blobs
, uint32_t *tags
);
46 void traverse_bitmap_commit_list(struct bitmap_index
*,
47 show_reachable_fn show_reachable
);
48 void test_bitmap_walk(struct rev_info
*revs
);
49 struct bitmap_index
*prepare_bitmap_walk(struct rev_info
*revs
);
50 int reuse_partial_packfile_from_bitmap(struct bitmap_index
*,
51 struct packed_git
**packfile
,
52 uint32_t *entries
, off_t
*up_to
);
53 int rebuild_existing_bitmaps(struct bitmap_index
*, struct packing_data
*mapping
,
54 kh_oid_map_t
*reused_bitmaps
, int show_progress
);
55 void free_bitmap_index(struct bitmap_index
*);
58 * After a traversal has been performed by prepare_bitmap_walk(), this can be
59 * queried to see if a particular object was reachable from any of the
60 * objects flagged as UNINTERESTING.
62 int bitmap_has_oid_in_uninteresting(struct bitmap_index
*, const struct object_id
*oid
);
64 void bitmap_writer_show_progress(int show
);
65 void bitmap_writer_set_checksum(unsigned char *sha1
);
66 void bitmap_writer_build_type_index(struct packing_data
*to_pack
,
67 struct pack_idx_entry
**index
,
69 void bitmap_writer_reuse_bitmaps(struct packing_data
*to_pack
);
70 void bitmap_writer_select_commits(struct commit
**indexed_commits
,
71 unsigned int indexed_commits_nr
, int max_bitmaps
);
72 void bitmap_writer_build(struct packing_data
*to_pack
);
73 void bitmap_writer_finish(struct pack_idx_entry
**index
,