6 #include "pack-objects.h"
8 struct bitmap_disk_entry {
12 } __attribute__((packed));
14 struct bitmap_disk_header {
19 unsigned char checksum[20];
22 static const char BITMAP_IDX_SIGNATURE[] = {'B', 'I', 'T', 'M'};
24 #define NEEDS_BITMAP (1u<<22)
26 enum pack_bitmap_opts {
27 BITMAP_OPT_FULL_DAG = 1,
28 BITMAP_OPT_HASH_CACHE = 4,
31 enum pack_bitmap_flags {
32 BITMAP_FLAG_REUSE = 0x1
35 typedef int (*show_reachable_fn)(
36 const unsigned char *sha1,
37 enum object_type type,
40 struct packed_git *found_pack,
43 int prepare_bitmap_git(void);
44 void count_bitmap_commit_list(uint32_t *commits, uint32_t *trees, uint32_t *blobs, uint32_t *tags);
45 void traverse_bitmap_commit_list(show_reachable_fn show_reachable);
46 void test_bitmap_walk(struct rev_info *revs);
47 char *pack_bitmap_filename(struct packed_git *p);
48 int prepare_bitmap_walk(struct rev_info *revs);
49 int reuse_partial_packfile_from_bitmap(struct packed_git **packfile, uint32_t *entries, off_t *up_to);
50 int rebuild_existing_bitmaps(struct packing_data *mapping, khash_sha1 *reused_bitmaps, int show_progress);
52 void bitmap_writer_show_progress(int show);
53 void bitmap_writer_set_checksum(unsigned char *sha1);
54 void bitmap_writer_build_type_index(struct pack_idx_entry **index, uint32_t index_nr);
55 void bitmap_writer_reuse_bitmaps(struct packing_data *to_pack);
56 void bitmap_writer_select_commits(struct commit **indexed_commits,
57 unsigned int indexed_commits_nr, int max_bitmaps);
58 void bitmap_writer_build(struct packing_data *to_pack);
59 void bitmap_writer_finish(struct pack_idx_entry **index,