diff options
Diffstat (limited to 'object-store.h')
| -rw-r--r-- | object-store.h | 70 |
1 files changed, 59 insertions, 11 deletions
diff --git a/object-store.h b/object-store.h index ec32c23..6f89482 100644 --- a/object-store.h +++ b/object-store.h @@ -7,6 +7,10 @@ #include "oid-array.h" #include "strbuf.h" #include "thread-utils.h" +#include "khash.h" +#include "dir.h" +#include "oidtree.h" +#include "oidset.h" struct object_directory { struct object_directory *next; @@ -20,8 +24,20 @@ struct object_directory { * * Be sure to call odb_load_loose_cache() before using. */ - char loose_objects_subdir_seen[256]; - struct oid_array loose_objects_cache[256]; + uint32_t loose_objects_subdir_seen[8]; /* 256 bits */ + struct oidtree *loose_objects_cache; + + /* + * This is a temporary object store created by the tmp_objdir + * facility. Disable ref updates since the objects in the store + * might be discarded on rollback. + */ + int disable_ref_updates; + + /* + * This object store is ephemeral, so there is no need to fsync. + */ + int will_destroy; /* * Path to the alternative object store. If this is a relative path, @@ -30,8 +46,12 @@ struct object_directory { char *path; }; +KHASH_INIT(odb_path_map, const char * /* key: odb_path */, + struct object_directory *, 1, fspathhash, fspatheq) + void prepare_alt_odb(struct repository *r); char *compute_alternate_path(const char *path, struct strbuf *err); +struct object_directory *find_odb(struct repository *r, const char *obj_dir); typedef int alt_odb_fn(struct object_directory *, void *); int foreach_alt_odb(alt_odb_fn, void*); typedef void alternate_ref_fn(const struct object_id *oid, void *); @@ -51,15 +71,29 @@ void add_to_alternates_file(const char *dir); void add_to_alternates_memory(const char *dir); /* + * Replace the current writable object directory with the specified temporary + * object directory; returns the former primary object directory. + */ +struct object_directory *set_temporary_primary_odb(const char *dir, int will_destroy); + +/* + * Restore a previous ODB replaced by set_temporary_main_odb. + */ +void restore_primary_odb(struct object_directory *restore_odb, const char *old_path); + +/* * Populate and return the loose object cache array corresponding to the * given object ID. */ -struct oid_array *odb_loose_cache(struct object_directory *odb, +struct oidtree *odb_loose_cache(struct object_directory *odb, const struct object_id *oid); /* Empty the loose object cache for the specified object directory. */ void odb_clear_loose_cache(struct object_directory *odb); +/* Clear and free the specified object directory */ +void free_object_directory(struct object_directory *odb); + struct packed_git { struct hashmap_entry packmap_ent; struct packed_git *next; @@ -69,9 +103,8 @@ struct packed_git { const void *index_data; size_t index_size; uint32_t num_objects; - uint32_t num_bad_objects; uint32_t crc_offset; - unsigned char *bad_object_sha1; + struct oidset bad_objects; int index_version; time_t mtime; int pack_fd; @@ -116,6 +149,8 @@ struct raw_object_store { */ struct object_directory *odb; struct object_directory **odb_tail; + kh_odb_path_map_t *odb_by_path; + int loaded_alternates; /* @@ -214,8 +249,14 @@ int hash_object_file(const struct git_hash_algo *algo, const void *buf, unsigned long len, const char *type, struct object_id *oid); -int write_object_file(const void *buf, unsigned long len, - const char *type, struct object_id *oid); +int write_object_file_flags(const void *buf, unsigned long len, + const char *type, struct object_id *oid, + unsigned flags); +static inline int write_object_file(const void *buf, unsigned long len, + const char *type, struct object_id *oid) +{ + return write_object_file_flags(buf, len, type, oid, 0); +} int hash_object_file_literally(const void *buf, unsigned long len, const char *type, struct object_id *oid, @@ -236,6 +277,7 @@ int force_object_loose(const struct object_id *oid, time_t mtime); /* * Open the loose object at path, check its hash, and return the contents, + * use the "oi" argument to assert things about the object, or e.g. populate its * type, and size. If the object is a blob, then "contents" may return NULL, * to allow streaming of large blobs. * @@ -243,9 +285,9 @@ int force_object_loose(const struct object_id *oid, time_t mtime); */ int read_loose_object(const char *path, const struct object_id *expected_oid, - enum object_type *type, - unsigned long *size, - void **contents); + struct object_id *real_oid, + void **contents, + struct object_info *oi); /* Retry packed storage after checking packed and loose storage */ #define HAS_OBJECT_RECHECK_PACKED 1 @@ -362,7 +404,7 @@ struct object_info { * Initializer for a "struct object_info" that wants no items. You may * also memset() the memory to all-zeroes. */ -#define OBJECT_INFO_INIT {NULL} +#define OBJECT_INFO_INIT { 0 } /* Invoke lookup_replace_object() on the given hash */ #define OBJECT_INFO_LOOKUP_REPLACE 1 @@ -447,6 +489,12 @@ enum for_each_object_flags { * Visit objects within a pack in packfile order rather than .idx order */ FOR_EACH_OBJECT_PACK_ORDER = (1<<2), + + /* Only iterate over packs that are not marked as kept in-core. */ + FOR_EACH_OBJECT_SKIP_IN_CORE_KEPT_PACKS = (1<<3), + + /* Only iterate over packs that do not have .keep files. */ + FOR_EACH_OBJECT_SKIP_ON_DISK_KEPT_PACKS = (1<<4), }; /* |