#ifndef REFS_H
#define REFS_H
+struct object_id;
+struct ref_store;
+struct strbuf;
+struct string_list;
+struct worktree;
+
/*
* Resolve a reference, recursively following symbolic refererences.
*
#define RESOLVE_REF_NO_RECURSE 0x02
#define RESOLVE_REF_ALLOW_BAD_NAME 0x04
+const char *refs_resolve_ref_unsafe(struct ref_store *refs,
+ const char *refname,
+ int resolve_flags,
+ unsigned char *sha1,
+ int *flags);
const char *resolve_ref_unsafe(const char *refname, int resolve_flags,
unsigned char *sha1, int *flags);
+char *refs_resolve_refdup(struct ref_store *refs,
+ const char *refname, int resolve_flags,
+ unsigned char *sha1, int *flags);
char *resolve_refdup(const char *refname, int resolve_flags,
unsigned char *sha1, int *flags);
+int refs_read_ref_full(struct ref_store *refs, const char *refname,
+ int resolve_flags, unsigned char *sha1, int *flags);
int read_ref_full(const char *refname, int resolve_flags,
unsigned char *sha1, int *flags);
int read_ref(const char *refname, 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 refs_verify_refname_available(struct ref_store *refs,
+ const char *refname,
+ const struct string_list *extras,
+ const struct string_list *skip,
+ struct strbuf *err);
+
int ref_exists(const char *refname);
+int should_autocreate_reflog(const char *refname);
+
int is_branch(const char *refname);
+extern int refs_init_db(struct strbuf *err);
+
/*
* If refname is a non-symbolic reference that refers to a tag object,
* and the tag can be (recursively) dereferenced to a non-tag object,
* Symbolic references are considered unpeelable, even if they
* ultimately resolve to a peelable tag.
*/
+int refs_peel_ref(struct ref_store *refs, const char *refname,
+ unsigned char *sha1);
int peel_ref(const char *refname, unsigned char *sha1);
/**
- * Resolve refname in the nested "gitlink" repository that is located
- * at path. If the resolution is successful, return 0 and set sha1 to
- * the name of the object; otherwise, return a non-zero value.
+ * Resolve refname in the nested "gitlink" repository in the specified
+ * submodule (which must be non-NULL). If the resolution is
+ * successful, return 0 and set sha1 to the name of the object;
+ * otherwise, return a non-zero value.
*/
-int resolve_gitlink_ref(const char *path, const char *refname,
+int resolve_gitlink_ref(const char *submodule, const char *refname,
unsigned char *sha1);
/*
*/
int refname_match(const char *abbrev_name, const char *full_name);
+int expand_ref(const char *str, int len, unsigned char *sha1, char **ref);
int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);
* it is not safe to modify references while an iteration is in
* progress, unless the same callback function invocation that
* modifies the reference also returns a nonzero value to immediately
- * stop the iteration.
+ * stop the iteration. Returned references are sorted.
*/
+int refs_for_each_ref(struct ref_store *refs,
+ each_ref_fn fn, void *cb_data);
+int refs_for_each_ref_in(struct ref_store *refs, const char *prefix,
+ each_ref_fn fn, void *cb_data);
+int refs_for_each_tag_ref(struct ref_store *refs,
+ each_ref_fn fn, void *cb_data);
+int refs_for_each_branch_ref(struct ref_store *refs,
+ each_ref_fn fn, void *cb_data);
+int refs_for_each_remote_ref(struct ref_store *refs,
+ each_ref_fn fn, void *cb_data);
+
int head_ref(each_ref_fn fn, void *cb_data);
int for_each_ref(each_ref_fn fn, void *cb_data);
int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data);
int for_each_namespaced_ref(each_ref_fn fn, void *cb_data);
/* can be used to learn about broken ref and symref */
+int refs_for_each_rawref(struct ref_store *refs, each_ref_fn fn, void *cb_data);
int for_each_rawref(each_ref_fn fn, void *cb_data);
static inline const char *has_glob_specials(const char *pattern)
* Write a packed-refs file for the current repository.
* flags: Combination of the above PACK_REFS_* flags.
*/
-int pack_refs(unsigned int flags);
+int refs_pack_refs(struct ref_store *refs, unsigned int flags);
/*
* Flags controlling ref_transaction_update(), ref_transaction_create(), etc.
/*
* Setup reflog before using. Fill in err and return -1 on failure.
*/
+int refs_create_reflog(struct ref_store *refs, const char *refname,
+ int force_create, struct strbuf *err);
int safe_create_reflog(const char *refname, int force_create, struct strbuf *err);
/** Reads log for the value of ref during at_time. **/
int read_ref_at(const char *refname, unsigned int flags,
- unsigned long at_time, int cnt,
+ timestamp_t at_time, int cnt,
unsigned char *sha1, char **msg,
- unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt);
+ timestamp_t *cutoff_time, int *cutoff_tz, int *cutoff_cnt);
/** Check if a particular reflog exists */
+int refs_reflog_exists(struct ref_store *refs, const char *refname);
int reflog_exists(const char *refname);
/*
* exists, regardless of its old value. It is an error for old_sha1 to
* be NULL_SHA1. flags is passed through to ref_transaction_delete().
*/
-int delete_ref(const char *refname, const unsigned char *old_sha1,
- unsigned int flags);
+int refs_delete_ref(struct ref_store *refs, const char *msg,
+ const char *refname,
+ const unsigned char *old_sha1,
+ unsigned int flags);
+int delete_ref(const char *msg, const char *refname,
+ const unsigned char *old_sha1, unsigned int flags);
/*
* Delete the specified references. If there are any problems, emit
* an all-or-nothing transaction). flags is passed through to
* ref_transaction_delete().
*/
+int refs_delete_refs(struct ref_store *refs, struct string_list *refnames,
+ unsigned int flags);
int delete_refs(struct string_list *refnames, unsigned int flags);
/** Delete a reflog */
+int refs_delete_reflog(struct ref_store *refs, const char *refname);
int delete_reflog(const char *refname);
/* iterate over reflog entries */
typedef int each_reflog_ent_fn(
- unsigned char *old_sha1, unsigned char *new_sha1,
- const char *committer, unsigned long timestamp,
+ struct object_id *old_oid, struct object_id *new_oid,
+ const char *committer, timestamp_t timestamp,
int tz, const char *msg, void *cb_data);
+int refs_for_each_reflog_ent(struct ref_store *refs, const char *refname,
+ each_reflog_ent_fn fn, void *cb_data);
+int refs_for_each_reflog_ent_reverse(struct ref_store *refs,
+ const char *refname,
+ each_reflog_ent_fn fn,
+ void *cb_data);
int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, void *cb_data);
int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn, void *cb_data);
/*
* Calls the specified function for each reflog file until it returns nonzero,
- * and returns the value
+ * and returns the value. Reflog file order is unspecified.
*/
+int refs_for_each_reflog(struct ref_store *refs, each_ref_fn fn, void *cb_data);
int for_each_reflog(each_ref_fn fn, void *cb_data);
#define REFNAME_ALLOW_ONELEVEL 1
char *shorten_unambiguous_ref(const char *refname, int strict);
/** rename ref, return 0 on success **/
+int refs_rename_ref(struct ref_store *refs, const char *oldref,
+ const char *newref, const char *logmsg);
int rename_ref(const char *oldref, const char *newref, const char *logmsg);
+int refs_create_symref(struct ref_store *refs, const char *refname,
+ const char *target, const char *logmsg);
int create_symref(const char *refname, const char *target, const char *logmsg);
-/*
- * Update HEAD of the specified gitdir.
- * Similar to create_symref("relative-git-dir/HEAD", target, NULL), but
- * this can update the main working tree's HEAD regardless of where
- * $GIT_DIR points to.
- * Return 0 if successful, non-zero otherwise.
- * */
-int set_worktree_head_symref(const char *gitdir, const char *target);
-
enum action_on_err {
UPDATE_REFS_MSG_ON_ERR,
UPDATE_REFS_DIE_ON_ERR,
* Begin a reference transaction. The reference transaction must
* be freed by calling ref_transaction_free().
*/
+struct ref_transaction *ref_store_transaction_begin(struct ref_store *refs,
+ struct strbuf *err);
struct ref_transaction *ref_transaction_begin(struct strbuf *err);
/*
* ref_transaction_update(). Handle errors as requested by the `onerr`
* argument.
*/
+int refs_update_ref(struct ref_store *refs, const char *msg, const char *refname,
+ const unsigned char *new_sha1, const unsigned char *old_sha1,
+ unsigned int flags, enum action_on_err onerr);
int update_ref(const char *msg, const char *refname,
const unsigned char *new_sha1, const unsigned char *old_sha1,
unsigned int flags, enum action_on_err onerr);
+int update_ref_oid(const char *msg, const char *refname,
+ const struct object_id *new_oid, const struct object_id *old_oid,
+ unsigned int flags, enum action_on_err onerr);
int parse_hide_refs_config(const char *var, const char *value, const char *);
typedef int reflog_expiry_should_prune_fn(unsigned char *osha1,
unsigned char *nsha1,
const char *email,
- unsigned long timestamp, int tz,
+ timestamp_t timestamp, int tz,
const char *message, void *cb_data);
typedef void reflog_expiry_cleanup_fn(void *cb_data);
* enum expire_reflog_flags. The three function pointers are described
* above. On success, return zero.
*/
+int refs_reflog_expire(struct ref_store *refs,
+ const char *refname,
+ const unsigned char *sha1,
+ unsigned int flags,
+ reflog_expiry_prepare_fn prepare_fn,
+ reflog_expiry_should_prune_fn should_prune_fn,
+ reflog_expiry_cleanup_fn cleanup_fn,
+ void *policy_cb_data);
int reflog_expire(const char *refname, const unsigned char *sha1,
unsigned int flags,
reflog_expiry_prepare_fn prepare_fn,
reflog_expiry_cleanup_fn cleanup_fn,
void *policy_cb_data);
+int ref_storage_backend_exists(const char *name);
+
+struct ref_store *get_main_ref_store(void);
+/*
+ * 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_submodule_ref_store(const char *submodule);
+struct ref_store *get_worktree_ref_store(const struct worktree *wt);
+
#endif /* REFS_H */
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