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#ifndef PACK_BITMAP_H
#define PACK_BITMAP_H
#include "ewah/ewok.h"
#include "khash.h"
struct bitmap_disk_entry {
uint32_t object_pos;
uint8_t xor_offset;
uint8_t flags;
} __attribute__((packed));
struct bitmap_disk_header {
char magic[4];
uint16_t version;
uint16_t options;
uint32_t entry_count;
unsigned char checksum[20];
};
static const char BITMAP_IDX_SIGNATURE[] = {'B', 'I', 'T', 'M'};
enum pack_bitmap_opts {
BITMAP_OPT_FULL_DAG = 1
};
typedef int (*show_reachable_fn)(
const unsigned char *sha1,
enum object_type type,
int flags,
uint32_t hash,
struct packed_git *found_pack,
off_t found_offset);
int prepare_bitmap_git(void);
void count_bitmap_commit_list(uint32_t *commits, uint32_t *trees, uint32_t *blobs, uint32_t *tags);
void traverse_bitmap_commit_list(show_reachable_fn show_reachable);
void test_bitmap_walk(struct rev_info *revs);
char *pack_bitmap_filename(struct packed_git *p);
int prepare_bitmap_walk(struct rev_info *revs);
int reuse_partial_packfile_from_bitmap(struct packed_git **packfile, uint32_t *entries, off_t *up_to);
#endif
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