pack-bitmap.h

   1 #ifndef PACK_BITMAP_H
   2 #define PACK_BITMAP_H
   3
   4 #include "ewah/ewok.h"
   5 #include "khash.h"
   6
   7 struct bitmap_disk_entry {
   8         uint32_t object_pos;
   9         uint8_t xor_offset;
  10         uint8_t flags;
  11 } __attribute__((packed));
  12
  13 struct bitmap_disk_header {
  14         char magic[4];
  15         uint16_t version;
  16         uint16_t options;
  17         uint32_t entry_count;
  18         unsigned char checksum[20];
  19 };
  20
  21 static const char BITMAP_IDX_SIGNATURE[] = {'B', 'I', 'T', 'M'};
  22
  23 enum pack_bitmap_opts {
  24         BITMAP_OPT_FULL_DAG = 1
  25 };
  26
  27 typedef int (*show_reachable_fn)(
  28         const unsigned char *sha1,
  29         enum object_type type,
  30         int flags,
  31         uint32_t hash,
  32         struct packed_git *found_pack,
  33         off_t found_offset);
  34
  35 int prepare_bitmap_git(void);
  36 void count_bitmap_commit_list(uint32_t *commits, uint32_t *trees, uint32_t *blobs, uint32_t *tags);
  37 void traverse_bitmap_commit_list(show_reachable_fn show_reachable);
  38 void test_bitmap_walk(struct rev_info *revs);
  39 char *pack_bitmap_filename(struct packed_git *p);
  40 int prepare_bitmap_walk(struct rev_info *revs);
  41 int reuse_partial_packfile_from_bitmap(struct packed_git **packfile, uint32_t *entries, off_t *up_to);
  42
  43 #endif