diff options
Diffstat (limited to 'odb.h')
| -rw-r--r-- | odb.h | 76 |
1 files changed, 45 insertions, 31 deletions
@@ -3,7 +3,6 @@ #include "hashmap.h" #include "object.h" -#include "list.h" #include "oidset.h" #include "oidmap.h" #include "string-list.h" @@ -64,6 +63,14 @@ struct odb_source { struct multi_pack_index *midx; /* + * Figure out whether this is the local source of the owning + * repository, which would typically be its ".git/objects" directory. + * This local object directory is usually where objects would be + * written to. + */ + bool local; + + /* * 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. @@ -83,7 +90,9 @@ struct odb_source { }; struct packed_git; +struct packfile_store; struct cached_object_entry; +struct odb_transaction; /* * The object database encapsulates access to objects in a repository. It @@ -95,6 +104,13 @@ struct object_database { struct repository *repo; /* + * State of current current object database transaction. Only one + * transaction may be pending at a time. Is NULL when no transaction is + * configured. + */ + struct odb_transaction *transaction; + + /* * Set of all object directories; the main directory is first (and * cannot be NULL after initialization). Subsequent directories are * alternates. @@ -123,20 +139,8 @@ struct object_database { struct commit_graph *commit_graph; unsigned commit_graph_attempted : 1; /* if loading has been attempted */ - /* - * private data - * - * should only be accessed directly by packfile.c - */ - - struct packed_git *packed_git; - /* A most-recently-used ordered version of the packed_git list. */ - struct list_head packed_git_mru; - - struct { - struct packed_git **packs; - unsigned flags; - } kept_pack_cache; + /* Should only be accessed directly by packfile.c and midx.c. */ + struct packfile_store *packfiles; /* * This is meant to hold a *small* number of objects that you would @@ -148,12 +152,6 @@ struct object_database { size_t cached_object_nr, cached_object_alloc; /* - * A map of packfiles to packed_git structs for tracking which - * packs have been loaded already. - */ - struct hashmap pack_map; - - /* * A fast, rough count of the number of objects in the repository. * These two fields are not meant for direct access. Use * repo_approximate_object_count() instead. @@ -162,12 +160,6 @@ struct object_database { unsigned approximate_object_count_valid : 1; /* - * Whether packed_git has already been populated with this repository's - * packs. - */ - unsigned packed_git_initialized : 1; - - /* * Submodule source paths that will be added as additional sources to * allow lookup of submodule objects via the main object database. */ @@ -178,11 +170,33 @@ struct object_database *odb_new(struct repository *repo); void odb_clear(struct object_database *o); /* - * Find source by its object directory path. Dies in case the source couldn't - * be found. + * Clear caches, reload alternates and then reload object sources so that new + * objects may become accessible. + */ +void odb_reprepare(struct object_database *o); + +/* + * Starts an ODB transaction. Subsequent objects are written to the transaction + * and not committed until odb_transaction_commit() is invoked on the + * transaction. If the ODB already has a pending transaction, NULL is returned. + */ +struct odb_transaction *odb_transaction_begin(struct object_database *odb); + +/* + * Commits an ODB transaction making the written objects visible. If the + * specified transaction is NULL, the function is a no-op. + */ +void odb_transaction_commit(struct odb_transaction *transaction); + +/* + * Find source by its object directory path. Returns a `NULL` pointer in case + * the source could not be found. */ struct odb_source *odb_find_source(struct object_database *odb, const char *obj_dir); +/* Same as `odb_find_source()`, but dies in case the source doesn't exist. */ +struct odb_source *odb_find_source_or_die(struct object_database *odb, const char *obj_dir); + /* * Replace the current writable object directory with the specified temporary * object directory; returns the former primary source. @@ -257,8 +271,8 @@ void odb_add_to_alternates_file(struct object_database *odb, * recursive alternates it points to), but do not modify the on-disk alternates * file. */ -void odb_add_to_alternates_memory(struct object_database *odb, - const char *dir); +struct odb_source *odb_add_to_alternates_memory(struct object_database *odb, + const char *dir); /* * Read an object from the database. Returns the object data and assigns object |