mirror of
https://github.com/git/git.git
synced 2024-12-18 06:14:59 +08:00
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
#ifndef PACK_BITMAP_H
|
|
#define PACK_BITMAP_H
|
|
|
|
#include "ewah/ewok.h"
|
|
#include "khash.h"
|
|
#include "pack-objects.h"
|
|
|
|
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'};
|
|
|
|
#define NEEDS_BITMAP (1u<<22)
|
|
|
|
enum pack_bitmap_opts {
|
|
BITMAP_OPT_FULL_DAG = 1,
|
|
BITMAP_OPT_HASH_CACHE = 4,
|
|
};
|
|
|
|
enum pack_bitmap_flags {
|
|
BITMAP_FLAG_REUSE = 0x1
|
|
};
|
|
|
|
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);
|
|
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);
|
|
int rebuild_existing_bitmaps(struct packing_data *mapping, khash_sha1 *reused_bitmaps, int show_progress);
|
|
|
|
void bitmap_writer_show_progress(int show);
|
|
void bitmap_writer_set_checksum(unsigned char *sha1);
|
|
void bitmap_writer_build_type_index(struct pack_idx_entry **index, uint32_t index_nr);
|
|
void bitmap_writer_reuse_bitmaps(struct packing_data *to_pack);
|
|
void bitmap_writer_select_commits(struct commit **indexed_commits,
|
|
unsigned int indexed_commits_nr, int max_bitmaps);
|
|
void bitmap_writer_build(struct packing_data *to_pack);
|
|
void bitmap_writer_finish(struct pack_idx_entry **index,
|
|
uint32_t index_nr,
|
|
const char *filename,
|
|
uint16_t options);
|
|
|
|
#endif
|