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git/midx.h
Derrick Stolee 525e18c04b midx: clear midx on repack
If a 'git repack' command replaces existing packfiles, then we must
clear the existing multi-pack-index before moving the packfiles it
references.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-20 11:27:29 -07:00

45 lines
1.2 KiB
C

#ifndef __MIDX_H__
#define __MIDX_H__
#include "repository.h"
struct multi_pack_index {
struct multi_pack_index *next;
int fd;
const unsigned char *data;
size_t data_len;
uint32_t signature;
unsigned char version;
unsigned char hash_len;
unsigned char num_chunks;
uint32_t num_packs;
uint32_t num_objects;
const unsigned char *chunk_pack_names;
const uint32_t *chunk_oid_fanout;
const unsigned char *chunk_oid_lookup;
const unsigned char *chunk_object_offsets;
const unsigned char *chunk_large_offsets;
const char **pack_names;
struct packed_git **packs;
char object_dir[FLEX_ARRAY];
};
struct multi_pack_index *load_multi_pack_index(const char *object_dir);
int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
struct object_id *nth_midxed_object_oid(struct object_id *oid,
struct multi_pack_index *m,
uint32_t n);
int fill_midx_entry(const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
int midx_contains_pack(struct multi_pack_index *m, const char *idx_name);
int prepare_multi_pack_index_one(struct repository *r, const char *object_dir);
int write_midx_file(const char *object_dir);
void clear_midx_file(const char *object_dir);
#endif