*/
enum peel_status peel_object(const unsigned char *name, unsigned char *sha1);
-/*
- * Return 0 if a reference named refname could be created without
- * conflicting with the name of an existing reference. Otherwise,
- * return a negative value and write an explanation to err. If extras
- * is non-NULL, it is a list of additional refnames with which refname
- * is not allowed to conflict. If skip is non-NULL, ignore potential
- * conflicts with refs in skip (e.g., because they are scheduled for
- * deletion in the same operation). Behavior is undefined if the same
- * name is listed in both extras and skip.
- *
- * Two reference names conflict if one of them exactly matches the
- * leading components of the other; e.g., "foo/bar" conflicts with
- * both "foo" and with "foo/bar/baz" but not with "foo/bar" or
- * "foo/barbados".
- *
- * extras and skip must be sorted.
- */
-int verify_refname_available(const char *newname,
- const struct string_list *extras,
- const struct string_list *skip,
- struct strbuf *err);
-
/*
* Copy the reflog message msg to buf, which has been allocated sufficiently
* large, while cleaning up the whitespaces. Especially, convert LF to space,
/*
* If (flags & REF_HAVE_NEW), set the reference to this value:
*/
- unsigned char new_sha1[20];
+ struct object_id new_oid;
/*
* If (flags & REF_HAVE_OLD), check that the reference
* previously had this value:
*/
- unsigned char old_sha1[20];
+ struct object_id old_oid;
/*
* One or more of REF_HAVE_NEW, REF_HAVE_OLD, REF_NODEREF,
const char refname[FLEX_ARRAY];
};
+int refs_read_raw_ref(struct ref_store *ref_store,
+ const char *refname, unsigned char *sha1,
+ struct strbuf *referent, unsigned int *type);
+
/*
* Add a ref_update with the specified properties to transaction, and
* return a pointer to the new object. This function does not verify
* as atomically as possible. This structure is opaque to callers.
*/
struct ref_transaction {
+ struct ref_store *ref_store;
struct ref_update **updates;
size_t alloc;
size_t nr;
enum ref_transaction_state state;
};
-int files_log_ref_write(const char *refname, const unsigned char *old_sha1,
- const unsigned char *new_sha1, const char *msg,
- int flags, struct strbuf *err);
-
/*
* Check for entries in extras that are within the specified
* directory, where dirname is a reference directory name including
* processes (though rename_ref() catches some races that might get by
* this check).
*/
-int rename_ref_available(const char *old_refname, const char *new_refname);
+int refs_rename_ref_available(struct ref_store *refs,
+ const char *old_refname,
+ const char *new_refname);
/* We allow "recursive" symbolic refs. Only within reason, though */
#define SYMREF_MAXDEPTH 5
*/
int is_empty_ref_iterator(struct ref_iterator *ref_iterator);
+/*
+ * Return an iterator that goes over each reference in `refs` for
+ * which the refname begins with prefix. If trim is non-zero, then
+ * trim that many characters off the beginning of each refname. flags
+ * can be DO_FOR_EACH_INCLUDE_BROKEN to include broken references in
+ * the iteration.
+ */
+struct ref_iterator *refs_ref_iterator_begin(
+ struct ref_store *refs,
+ const char *prefix, int trim, int flags);
+
/*
* A callback function used to instruct merge_ref_iterator how to
* interleave the entries from iter0 and iter1. The function should
/* refs backends */
+/* ref_store_init flags */
+#define REF_STORE_READ (1 << 0)
+#define REF_STORE_WRITE (1 << 1) /* can perform update operations */
+#define REF_STORE_ODB (1 << 2) /* has access to object database */
+#define REF_STORE_MAIN (1 << 3)
+#define REF_STORE_ALL_CAPS (REF_STORE_READ | \
+ REF_STORE_WRITE | \
+ REF_STORE_ODB | \
+ REF_STORE_MAIN)
+
/*
- * Initialize the ref_store for the specified submodule, or for the
- * main repository if submodule == NULL. These functions should call
- * base_ref_store_init() to initialize the shared part of the
- * ref_store and to record the ref_store for later lookup.
+ * Initialize the ref_store for the specified gitdir. These functions
+ * should call base_ref_store_init() to initialize the shared part of
+ * the ref_store and to record the ref_store for later lookup.
*/
-typedef struct ref_store *ref_store_init_fn(const char *submodule);
+typedef struct ref_store *ref_store_init_fn(const char *gitdir,
+ unsigned int flags);
typedef int ref_init_db_fn(struct ref_store *refs, struct strbuf *err);
const char *ref_target,
const char *refs_heads_master,
const char *logmsg);
-typedef int delete_refs_fn(struct ref_store *ref_store,
+typedef int delete_refs_fn(struct ref_store *ref_store, const char *msg,
struct string_list *refnames, unsigned int flags);
typedef int rename_ref_fn(struct ref_store *ref_store,
const char *oldref, const char *newref,
const char *logmsg);
/*
- * Iterate over the references in the specified ref_store that are
- * within find_containing_dir(prefix). If prefix is NULL or the empty
- * string, iterate over all references in the submodule.
+ * Iterate over the references in `ref_store` whose names start with
+ * `prefix`. `prefix` is matched as a literal string, without regard
+ * for path separators. If prefix is NULL or the empty string, iterate
+ * over all references in `ref_store`.
*/
typedef struct ref_iterator *ref_iterator_begin_fn(
struct ref_store *ref_store,
const char *refname, unsigned char *sha1,
struct strbuf *referent, unsigned int *type);
-typedef int verify_refname_available_fn(struct ref_store *ref_store,
- const char *newname,
- const struct string_list *extras,
- const struct string_list *skip,
- struct strbuf *err);
-
struct ref_storage_be {
struct ref_storage_be *next;
const char *name;
ref_iterator_begin_fn *iterator_begin;
read_raw_ref_fn *read_raw_ref;
- verify_refname_available_fn *verify_refname_available;
reflog_iterator_begin_fn *reflog_iterator_begin;
for_each_reflog_ent_fn *for_each_reflog_ent;
void base_ref_store_init(struct ref_store *refs,
const struct ref_storage_be *be);
-/*
- * Return the ref_store instance for the specified submodule. For the
- * main repository, use submodule==NULL; such a call cannot fail. For
- * a submodule, the submodule must exist and be a nonbare repository,
- * otherwise return NULL. If the requested reference store has not yet
- * been initialized, initialize it first.
- *
- * For backwards compatibility, submodule=="" is treated the same as
- * submodule==NULL.
- */
-struct ref_store *get_ref_store(const char *submodule);
-
-const char *resolve_ref_recursively(struct ref_store *refs,
- const char *refname,
- int resolve_flags,
- unsigned char *sha1, int *flags);
-
#endif /* REFS_REFS_INTERNAL_H */