6 struct alternate_object_database {
7 struct alternate_object_database *next;
9 /* see alt_scratch_buf() */
10 struct strbuf scratch;
14 * Used to store the results of readdir(3) calls when searching
15 * for unique abbreviated hashes. This cache is never
16 * invalidated, thus it's racy and not necessarily accurate.
17 * That's fine for its purpose; don't use it for tasks requiring
20 char loose_objects_subdir_seen[256];
21 struct oid_array loose_objects_cache;
24 * Path to the alternative object store. If this is a relative path,
25 * it is relative to the current working directory.
27 char path[FLEX_ARRAY];
29 void prepare_alt_odb(struct repository *r);
30 char *compute_alternate_path(const char *path, struct strbuf *err);
31 typedef int alt_odb_fn(struct alternate_object_database *, void *);
32 int foreach_alt_odb(alt_odb_fn, void*);
35 * Allocate a "struct alternate_object_database" but do _not_ actually
36 * add it to the list of alternates.
38 struct alternate_object_database *alloc_alt_odb(const char *dir);
41 * Add the directory to the on-disk alternates file; the new entry will also
42 * take effect in the current process.
44 void add_to_alternates_file(const char *dir);
47 * Add the directory to the in-memory list of alternates (along with any
48 * recursive alternates it points to), but do not modify the on-disk alternates
51 void add_to_alternates_memory(const char *dir);
54 * Returns a scratch strbuf pre-filled with the alternate object directory,
55 * including a trailing slash, which can be used to access paths in the
56 * alternate. Always use this over direct access to alt->scratch, as it
57 * cleans up any previous use of the scratch buffer.
59 struct strbuf *alt_scratch_buf(struct alternate_object_database *alt);
62 struct packed_git *next;
64 struct pack_window *windows;
66 const void *index_data;
69 uint32_t num_bad_objects;
70 unsigned char *bad_object_sha1;
74 unsigned pack_local:1,
79 unsigned char sha1[20];
80 struct revindex_entry *revindex;
81 /* something like ".git/objects/pack/xxxxx.pack" */
82 char pack_name[FLEX_ARRAY]; /* more */
85 struct raw_object_store {
87 * Path to the repository's object store.
88 * Cannot be NULL after initialization.
92 /* Path to extra alternate object database if not NULL */
95 struct alternate_object_database *alt_odb_list;
96 struct alternate_object_database **alt_odb_tail;
99 * Objects that should be substituted by other objects
100 * (see git-replace(1)).
102 struct oidmap *replace_map;
107 * should only be accessed directly by packfile.c
110 struct packed_git *packed_git;
111 /* A most-recently-used ordered version of the packed_git list. */
112 struct list_head packed_git_mru;
115 * A fast, rough count of the number of objects in the repository.
116 * These two fields are not meant for direct access. Use
117 * approximate_object_count() instead.
119 unsigned long approximate_object_count;
120 unsigned approximate_object_count_valid : 1;
123 * Whether packed_git has already been populated with this repository's
126 unsigned packed_git_initialized : 1;
129 struct raw_object_store *raw_object_store_new(void);
130 void raw_object_store_clear(struct raw_object_store *o);
133 * Put in `buf` the name of the file in the local object database that
134 * would be used to store a loose object with the specified sha1.
136 void sha1_file_name(struct repository *r, struct strbuf *buf, const unsigned char *sha1);
138 void *map_sha1_file(struct repository *r, const unsigned char *sha1, unsigned long *size);
140 #endif /* OBJECT_STORE_H */