diff options
Diffstat (limited to 'midx.h')
| -rw-r--r-- | midx.h | 53 |
1 files changed, 38 insertions, 15 deletions
@@ -7,6 +7,7 @@ struct object_id; struct pack_entry; struct repository; struct bitmapped_pack; +struct git_hash_algo; #define MIDX_SIGNATURE 0x4d494458 /* "MIDX" */ #define MIDX_VERSION 1 @@ -24,12 +25,13 @@ struct bitmapped_pack; #define MIDX_CHUNKID_OBJECTOFFSETS 0x4f4f4646 /* "OOFF" */ #define MIDX_CHUNKID_LARGEOFFSETS 0x4c4f4646 /* "LOFF" */ #define MIDX_CHUNKID_REVINDEX 0x52494458 /* "RIDX" */ +#define MIDX_CHUNKID_BASE 0x42415345 /* "BASE" */ #define MIDX_CHUNK_OFFSET_WIDTH (2 * sizeof(uint32_t)) #define MIDX_LARGE_OFFSET_NEEDED 0x80000000 #define GIT_TEST_MULTI_PACK_INDEX "GIT_TEST_MULTI_PACK_INDEX" -#define GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP \ - "GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP" +#define GIT_TEST_MULTI_PACK_INDEX_WRITE_INCREMENTAL \ + "GIT_TEST_MULTI_PACK_INDEX_WRITE_INCREMENTAL" struct multi_pack_index { struct multi_pack_index *next; @@ -50,6 +52,7 @@ struct multi_pack_index { int preferred_pack_idx; int local; + int has_chain; const unsigned char *chunk_pack_names; size_t chunk_pack_names_len; @@ -63,8 +66,15 @@ struct multi_pack_index { const unsigned char *chunk_revindex; size_t chunk_revindex_len; + struct multi_pack_index *base_midx; + uint32_t num_objects_in_base; + uint32_t num_packs_in_base; + const char **pack_names; struct packed_git **packs; + + struct repository *repo; + char object_dir[FLEX_ARRAY]; }; @@ -73,20 +83,37 @@ struct multi_pack_index { #define MIDX_WRITE_BITMAP (1 << 2) #define MIDX_WRITE_BITMAP_HASH_CACHE (1 << 3) #define MIDX_WRITE_BITMAP_LOOKUP_TABLE (1 << 4) +#define MIDX_WRITE_INCREMENTAL (1 << 5) #define MIDX_EXT_REV "rev" #define MIDX_EXT_BITMAP "bitmap" +#define MIDX_EXT_MIDX "midx" const unsigned char *get_midx_checksum(struct multi_pack_index *m); -void get_midx_filename(struct strbuf *out, const char *object_dir); -void get_midx_filename_ext(struct strbuf *out, const char *object_dir, +void get_midx_filename(const struct git_hash_algo *hash_algo, + struct strbuf *out, const char *object_dir); +void get_midx_filename_ext(const struct git_hash_algo *hash_algo, + struct strbuf *out, const char *object_dir, const unsigned char *hash, const char *ext); - -struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local); +void get_midx_chain_dirname(struct strbuf *buf, const char *object_dir); +void get_midx_chain_filename(struct strbuf *buf, const char *object_dir); +void get_split_midx_filename_ext(const struct git_hash_algo *hash_algo, + struct strbuf *buf, const char *object_dir, + const unsigned char *hash, const char *ext); + +struct multi_pack_index *load_multi_pack_index(struct repository *r, + const char *object_dir, + int local); int prepare_midx_pack(struct repository *r, struct multi_pack_index *m, uint32_t pack_int_id); +struct packed_git *nth_midxed_pack(struct multi_pack_index *m, + uint32_t pack_int_id); int nth_bitmapped_pack(struct repository *r, struct multi_pack_index *m, struct bitmapped_pack *bp, uint32_t pack_int_id); -int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result); +int bsearch_one_midx(const struct object_id *oid, struct multi_pack_index *m, + uint32_t *result); +int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, + uint32_t *result); +int midx_has_oid(struct multi_pack_index *m, const struct object_id *oid); off_t nth_midxed_offset(struct multi_pack_index *m, uint32_t pos); uint32_t nth_midxed_pack_int_id(struct multi_pack_index *m, uint32_t pos); struct object_id *nth_midxed_object_oid(struct object_id *oid, @@ -95,8 +122,6 @@ struct object_id *nth_midxed_object_oid(struct object_id *oid, int fill_midx_entry(struct repository *r, 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_or_pack_name); -int midx_locate_pack(struct multi_pack_index *m, const char *idx_or_pack_name, - uint32_t *pos); int midx_preferred_pack(struct multi_pack_index *m, uint32_t *pack_int_id); int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, int local); @@ -104,15 +129,13 @@ int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, i * Variant of write_midx_file which writes a MIDX containing only the packs * specified in packs_to_include. */ -int write_midx_file(const char *object_dir, - const char *preferred_pack_name, - const char *refs_snapshot, +int write_midx_file(struct repository *r, const char *object_dir, + const char *preferred_pack_name, const char *refs_snapshot, unsigned flags); -int write_midx_file_only(const char *object_dir, +int write_midx_file_only(struct repository *r, const char *object_dir, struct string_list *packs_to_include, const char *preferred_pack_name, - const char *refs_snapshot, - unsigned flags); + const char *refs_snapshot, unsigned flags); void clear_midx_file(struct repository *r); int verify_midx_file(struct repository *r, const char *object_dir, unsigned flags); int expire_midx_packs(struct repository *r, const char *object_dir, unsigned flags); |