#define RESOLVE_REF_NO_RECURSE 0x02
#define RESOLVE_REF_ALLOW_BAD_NAME 0x04
-extern const char *resolve_ref_unsafe(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);
-extern char *resolve_refdup(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);
-extern int read_ref_full(const char *refname, int resolve_flags,
- unsigned char *sha1, int *flags);
-extern int read_ref(const char *refname, unsigned char *sha1);
+int read_ref_full(const char *refname, int resolve_flags,
+ unsigned char *sha1, int *flags);
+int read_ref(const char *refname, unsigned char *sha1);
-extern int ref_exists(const char *refname);
+int ref_exists(const char *refname);
-extern int is_branch(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,
* Symbolic references are considered unpeelable, even if they
* ultimately resolve to a peelable tag.
*/
-extern int peel_ref(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.
*/
-extern int resolve_gitlink_ref(const char *path, const char *refname, unsigned char *sha1);
+int resolve_gitlink_ref(const char *submodule, const char *refname,
+ unsigned char *sha1);
/*
* Return true iff abbrev_name is a possible abbreviation for
* full_name according to the rules defined by ref_rev_parse_rules in
* refs.c.
*/
-extern int refname_match(const char *abbrev_name, const char *full_name);
+int refname_match(const char *abbrev_name, const char *full_name);
-extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
-extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);
+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);
/*
* A ref_transaction represents a collection of ref updates
* If this succeeds, the ref updates will have taken place and
* the transaction cannot be rolled back.
*
+ * - Instead of `ref_transaction_commit`, use
+ * `initial_ref_transaction_commit()` if the ref database is known
+ * to be empty (e.g. during clone). This is likely to be much
+ * faster.
+ *
* - At any time call `ref_transaction_free()` to discard the
* transaction and free associated resources. In particular,
* this rolls back the transaction if it has not been
*
* The message is appended to err without first clearing err.
* err will not be '\n' terminated.
+ *
+ * Caveats
+ * -------
+ *
+ * Note that no locks are taken, and no refs are read, until
+ * `ref_transaction_commit` is called. So `ref_transaction_verify`
+ * won't report a verification failure until the commit is attempted.
*/
struct ref_transaction;
/*
- * Bit values set in the flags argument passed to each_ref_fn():
+ * Bit values set in the flags argument passed to each_ref_fn() and
+ * stored in ref_iterator::flags. Other bits are for internal use
+ * only:
*/
/* Reference is a symbolic reference. */
* modifies the reference also returns a nonzero value to immediately
* stop the iteration.
*/
-extern int head_ref(each_ref_fn fn, void *cb_data);
-extern int for_each_ref(each_ref_fn fn, void *cb_data);
-extern int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data);
-extern int for_each_tag_ref(each_ref_fn fn, void *cb_data);
-extern int for_each_branch_ref(each_ref_fn fn, void *cb_data);
-extern int for_each_remote_ref(each_ref_fn fn, void *cb_data);
-extern int for_each_replace_ref(each_ref_fn fn, void *cb_data);
-extern int for_each_glob_ref(each_ref_fn fn, const char *pattern, void *cb_data);
-extern int for_each_glob_ref_in(each_ref_fn fn, const char *pattern, const char *prefix, void *cb_data);
-
-extern int head_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data);
-extern int for_each_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data);
-extern int for_each_ref_in_submodule(const char *submodule, const char *prefix,
+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_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data,
+ unsigned int broken);
+int for_each_tag_ref(each_ref_fn fn, void *cb_data);
+int for_each_branch_ref(each_ref_fn fn, void *cb_data);
+int for_each_remote_ref(each_ref_fn fn, void *cb_data);
+int for_each_replace_ref(each_ref_fn fn, void *cb_data);
+int for_each_glob_ref(each_ref_fn fn, const char *pattern, void *cb_data);
+int for_each_glob_ref_in(each_ref_fn fn, const char *pattern,
+ const char *prefix, void *cb_data);
+
+int head_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data);
+int for_each_ref_submodule(const char *submodule,
+ each_ref_fn fn, void *cb_data);
+int for_each_ref_in_submodule(const char *submodule, const char *prefix,
each_ref_fn fn, void *cb_data);
-extern int for_each_tag_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data);
-extern int for_each_branch_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data);
-extern int for_each_remote_ref_submodule(const char *submodule, each_ref_fn fn, void *cb_data);
+int for_each_tag_ref_submodule(const char *submodule,
+ each_ref_fn fn, void *cb_data);
+int for_each_branch_ref_submodule(const char *submodule,
+ each_ref_fn fn, void *cb_data);
+int for_each_remote_ref_submodule(const char *submodule,
+ each_ref_fn fn, void *cb_data);
-extern int head_ref_namespaced(each_ref_fn fn, void *cb_data);
-extern int for_each_namespaced_ref(each_ref_fn fn, void *cb_data);
+int head_ref_namespaced(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 */
-extern int for_each_rawref(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)
{
return strpbrk(pattern, "?*[");
}
-extern void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refname);
-extern void warn_dangling_symrefs(FILE *fp, const char *msg_fmt, const struct string_list *refnames);
+void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refname);
+void warn_dangling_symrefs(FILE *fp, const char *msg_fmt,
+ const struct string_list *refnames);
/*
* Flags for controlling behaviour of pack_refs()
int safe_create_reflog(const char *refname, int force_create, struct strbuf *err);
/** Reads log for the value of ref during at_time. **/
-extern int read_ref_at(const char *refname, unsigned int flags,
- unsigned long at_time, int cnt,
- unsigned char *sha1, char **msg,
- unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt);
+int read_ref_at(const char *refname, unsigned int flags,
+ unsigned long at_time, int cnt,
+ unsigned char *sha1, char **msg,
+ unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt);
/** Check if a particular reflog exists */
-extern int reflog_exists(const char *refname);
+int reflog_exists(const char *refname);
/*
* Delete the specified reference. If old_sha1 is non-NULL, then
* 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().
*/
-extern int delete_ref(const char *refname, const unsigned char *old_sha1,
- unsigned int flags);
+int delete_ref(const char *refname, const unsigned char *old_sha1,
+ unsigned int flags);
/*
* Delete the specified references. If there are any problems, emit
* errors but attempt to keep going (i.e., the deletes are not done in
- * an all-or-nothing transaction).
+ * an all-or-nothing transaction). flags is passed through to
+ * ref_transaction_delete().
*/
-extern int delete_refs(struct string_list *refnames);
+int delete_refs(struct string_list *refnames, unsigned int flags);
/** Delete a reflog */
-extern int delete_reflog(const char *refname);
+int delete_reflog(const char *refname);
/* iterate over reflog entries */
-typedef int each_reflog_ent_fn(unsigned char *osha1, unsigned char *nsha1, const char *, unsigned long, int, const char *, void *);
+typedef int each_reflog_ent_fn(
+ unsigned char *old_sha1, unsigned char *new_sha1,
+ const char *committer, unsigned long timestamp,
+ int tz, const char *msg, 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
*/
-extern int for_each_reflog(each_ref_fn, void *);
+int for_each_reflog(each_ref_fn fn, void *cb_data);
#define REFNAME_ALLOW_ONELEVEL 1
#define REFNAME_REFSPEC_PATTERN 2
* allow a single "*" wildcard character in the refspec. No leading or
* repeated slashes are accepted.
*/
-extern int check_refname_format(const char *refname, int flags);
+int check_refname_format(const char *refname, int flags);
-extern const char *prettify_refname(const char *refname);
+const char *prettify_refname(const char *refname);
-extern char *shorten_unambiguous_ref(const char *refname, int strict);
+char *shorten_unambiguous_ref(const char *refname, int strict);
/** rename ref, return 0 on success **/
-extern int rename_ref(const char *oldref, const char *newref, const char *logmsg);
+int rename_ref(const char *oldref, const char *newref, const char *logmsg);
-extern int create_symref(const char *ref, const char *refs_heads_master, 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,
* msg -- a message describing the change (for the reflog).
*
* err -- a strbuf for receiving a description of any error that
- * might have occured.
+ * might have occurred.
*
* The functions make internal copies of refname and msg, so the
* caller retains ownership of these parameters.
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);
-extern int parse_hide_refs_config(const char *var, const char *value, const char *);
+int parse_hide_refs_config(const char *var, const char *value, const char *);
-extern int ref_is_hidden(const char *);
+/*
+ * Check whether a ref is hidden. If no namespace is set, both the first and
+ * the second parameter point to the full ref name. If a namespace is set and
+ * the ref is inside that namespace, the first parameter is a pointer to the
+ * name of the ref with the namespace prefix removed. If a namespace is set and
+ * the ref is outside that namespace, the first parameter is NULL. The second
+ * parameter always points to the full ref name.
+ */
+int ref_is_hidden(const char *, const char *);
enum ref_type {
REF_TYPE_PER_WORKTREE,
* enum expire_reflog_flags. The three function pointers are described
* above. On success, return zero.
*/
-extern int reflog_expire(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_should_prune_fn should_prune_fn,
+ reflog_expiry_cleanup_fn cleanup_fn,
+ void *policy_cb_data);
+
+int ref_storage_backend_exists(const char *name);
#endif /* REFS_H */