diff options
Diffstat (limited to 'packfile.h')
| -rw-r--r-- | packfile.h | 102 |
1 files changed, 77 insertions, 25 deletions
diff --git a/packfile.h b/packfile.h index 33fed26362..acc5c55ad5 100644 --- a/packfile.h +++ b/packfile.h @@ -5,6 +5,7 @@ #include "object.h" #include "odb.h" #include "oidset.h" +#include "repository.h" #include "strmap.h" /* in odb.h */ @@ -77,7 +78,7 @@ struct packed_git *packfile_list_find_oid(struct packfile_list_entry *packs, * A store that manages packfiles for a given object database. */ struct packfile_store { - struct object_database *odb; + struct odb_source *source; /* * The list of packfiles in the order in which they have been most @@ -90,15 +91,19 @@ struct packfile_store { * is an on-disk ".keep" file or because they are marked as "kept" in * memory. * - * Should not be accessed directly, but via `kept_pack_cache()`. The - * list of packs gets invalidated when the stored flags and the flags - * passed to `kept_pack_cache()` mismatch. + * Should not be accessed directly, but via + * `packfile_store_get_kept_pack_cache()`. The list of packs gets + * invalidated when the stored flags and the flags passed to + * `packfile_store_get_kept_pack_cache()` mismatch. */ struct { struct packed_git **packs; unsigned flags; } kept_cache; + /* The multi-pack index that belongs to this specific packfile store. */ + struct multi_pack_index *midx; + /* * A map of packfile names to packed_git structs for tracking which * packs have been loaded already. @@ -129,9 +134,9 @@ struct packfile_store { /* * Allocate and initialize a new empty packfile store for the given object - * database. + * database source. */ -struct packfile_store *packfile_store_new(struct object_database *odb); +struct packfile_store *packfile_store_new(struct odb_source *source); /* * Free the packfile store and all its associated state. All packfiles @@ -170,13 +175,64 @@ void packfile_store_add_pack(struct packfile_store *store, struct packed_git *pack); /* + * Get all packs managed by the given store, including packfiles that are + * referenced by multi-pack indices. + */ +struct packfile_list_entry *packfile_store_get_packs(struct packfile_store *store); + +struct repo_for_each_pack_data { + struct odb_source *source; + struct packfile_list_entry *entry; +}; + +static inline struct repo_for_each_pack_data repo_for_eack_pack_data_init(struct repository *repo) +{ + struct repo_for_each_pack_data data = { 0 }; + + odb_prepare_alternates(repo->objects); + + for (struct odb_source *source = repo->objects->sources; source; source = source->next) { + struct packfile_list_entry *entry = packfile_store_get_packs(source->packfiles); + if (!entry) + continue; + data.source = source; + data.entry = entry; + break; + } + + return data; +} + +static inline void repo_for_each_pack_data_next(struct repo_for_each_pack_data *data) +{ + struct odb_source *source; + + data->entry = data->entry->next; + if (data->entry) + return; + + for (source = data->source->next; source; source = source->next) { + struct packfile_list_entry *entry = packfile_store_get_packs(source->packfiles); + if (!entry) + continue; + data->source = source; + data->entry = entry; + return; + } + + data->source = NULL; + data->entry = NULL; +} + +/* * Load and iterate through all packs of the given repository. This helper * function will yield packfiles from all object sources connected to the * repository. */ #define repo_for_each_pack(repo, p) \ - for (struct packfile_list_entry *e = packfile_store_get_packs(repo->objects->packfiles); \ - ((p) = (e ? e->pack : NULL)); e = e->next) + for (struct repo_for_each_pack_data eack_pack_data = repo_for_eack_pack_data_init(repo); \ + ((p) = (eack_pack_data.entry ? eack_pack_data.entry->pack : NULL)); \ + repo_for_each_pack_data_next(&eack_pack_data)) int packfile_store_read_object_stream(struct odb_read_stream **out, struct packfile_store *store, @@ -194,12 +250,6 @@ int packfile_store_read_object_info(struct packfile_store *store, unsigned flags); /* - * Get all packs managed by the given store, including packfiles that are - * referenced by multi-pack indices. - */ -struct packfile_list_entry *packfile_store_get_packs(struct packfile_store *store); - -/* * Open the packfile and add it to the store if it isn't yet known. Returns * either the newly opened packfile or the preexisting packfile. Returns a * `NULL` pointer in case the packfile could not be opened. @@ -210,6 +260,19 @@ struct packed_git *packfile_store_load_pack(struct packfile_store *store, int packfile_store_freshen_object(struct packfile_store *store, const struct object_id *oid); +enum kept_pack_type { + KEPT_PACK_ON_DISK = (1 << 0), + KEPT_PACK_IN_CORE = (1 << 1), +}; + +/* + * Retrieve the cache of kept packs from the given packfile store. Accepts a + * combination of `kept_pack_type` flags. The cache is computed on demand and + * will be recomputed whenever the flags change. + */ +struct packed_git **packfile_store_get_kept_pack_cache(struct packfile_store *store, + unsigned flags); + struct pack_window { struct pack_window *next; unsigned char *base; @@ -388,21 +451,10 @@ int packed_object_info(struct packed_git *pack, void mark_bad_packed_object(struct packed_git *, const struct object_id *); const struct packed_git *has_packed_and_bad(struct repository *, const struct object_id *); -#define ON_DISK_KEEP_PACKS 1 -#define IN_CORE_KEEP_PACKS 2 - -/* - * Iff a pack file in the given repository contains the object named by sha1, - * return true and store its location to e. - */ -int find_kept_pack_entry(struct repository *r, const struct object_id *oid, unsigned flags, struct pack_entry *e); - int has_object_pack(struct repository *r, const struct object_id *oid); int has_object_kept_pack(struct repository *r, const struct object_id *oid, unsigned flags); -struct packed_git **kept_pack_cache(struct repository *r, unsigned flags); - /* * Return 1 if an object in a promisor packfile is or refers to the given * object, 0 otherwise. |