/*
* Resolve a reference, recursively following symbolic refererences.
*
- * Store the referred-to object's name in sha1 and return the name of
- * the non-symbolic reference that ultimately pointed at it. The
- * return value, if not NULL, is a pointer into either a static buffer
- * or the input ref.
+ * Return the name of the non-symbolic reference that ultimately pointed
+ * at the resolved object name. The return value, if not NULL, is a
+ * pointer into either a static buffer or the input ref.
+ *
+ * If sha1 is non-NULL, store the referred-to object's name in it.
*
* If the reference cannot be resolved to an object, the behavior
* depends on the RESOLVE_REF_READING flag:
char *refs_resolve_refdup(struct ref_store *refs,
const char *refname, int resolve_flags,
- unsigned char *sha1, int *flags);
+ struct object_id *oid, int *flags);
char *resolve_refdup(const char *refname, int resolve_flags,
- unsigned char *sha1, int *flags);
+ struct object_id *oid, int *flags);
int refs_read_ref_full(struct ref_store *refs, const char *refname,
- int resolve_flags, unsigned char *sha1, int *flags);
+ int resolve_flags, struct object_id *oid, 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);
+ struct object_id *oid, int *flags);
+int read_ref(const char *refname, struct object_id *oid);
/*
* Return 0 if a reference named refname could be created without
*/
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 expand_ref(const char *str, int len, struct object_id *oid, char **ref);
+int dwim_ref(const char *str, int len, struct object_id *oid, char **ref);
int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);
/*
#define REF_NODEREF 0x01
#define REF_FORCE_CREATE_REFLOG 0x40
+/*
+ * Flags that can be passed in to ref_transaction_update
+ */
+#define REF_TRANSACTION_UPDATE_ALLOWED_FLAGS \
+ REF_ISPRUNING | \
+ REF_FORCE_CREATE_REFLOG | \
+ REF_NODEREF
+
/*
* Setup reflog before using. Fill in err and return -1 on failure.
*/
int reflog_exists(const char *refname);
/*
- * Delete the specified reference. If old_sha1 is non-NULL, then
+ * Delete the specified reference. If old_oid is non-NULL, then
* verify that the current value of the reference is old_sha1 before
- * deleting it. If old_sha1 is NULL, delete the reference if it
- * exists, regardless of its old value. It is an error for old_sha1 to
- * be NULL_SHA1. msg and flags are passed through to
+ * deleting it. If old_oid is NULL, delete the reference if it
+ * exists, regardless of its old value. It is an error for old_oid to
+ * be null_oid. msg and flags are passed through to
* ref_transaction_delete().
*/
int refs_delete_ref(struct ref_store *refs, const char *msg,
const char *refname,
- const unsigned char *old_sha1,
+ const struct object_id *old_oid,
unsigned int flags);
int delete_ref(const char *msg, const char *refname,
- const unsigned char *old_sha1, unsigned int flags);
+ const struct object_id *old_oid, unsigned int flags);
/*
* Delete the specified references. If there are any problems, emit
/** 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 rename_ref(const char *oldref, const char *newref,
+ const char *logmsg);
+
+/** copy ref, return 0 on success **/
+int refs_copy_existing_ref(struct ref_store *refs, const char *oldref,
+ const char *newref, const char *logmsg);
+int copy_existing_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);
*/
/*
- * Add a reference update to transaction. new_sha1 is the value that
- * the reference should have after the update, or null_sha1 if it
- * should be deleted. If new_sha1 is NULL, then the reference is not
- * changed at all. old_sha1 is the value that the reference must have
- * before the update, or null_sha1 if it must not have existed
+ * Add a reference update to transaction. new_oid is the value that
+ * the reference should have after the update, or null_oid if it
+ * should be deleted. If new_oid is NULL, then the reference is not
+ * changed at all. old_oid is the value that the reference must have
+ * before the update, or null_oid if it must not have existed
* beforehand. The old value is checked after the lock is taken to
- * prevent races. If the old value doesn't agree with old_sha1, the
- * whole transaction fails. If old_sha1 is NULL, then the previous
+ * prevent races. If the old value doesn't agree with old_oid, the
+ * whole transaction fails. If old_oid is NULL, then the previous
* value is not checked.
*
* See the above comment "Reference transaction updates" for more
*/
int ref_transaction_update(struct ref_transaction *transaction,
const char *refname,
- const unsigned char *new_sha1,
- const unsigned char *old_sha1,
+ const struct object_id *new_oid,
+ const struct object_id *old_oid,
unsigned int flags, const char *msg,
struct strbuf *err);
/*
- * Add a reference creation to transaction. new_sha1 is the value that
+ * Add a reference creation to transaction. new_oid is the value that
* the reference should have after the update; it must not be
- * null_sha1. It is verified that the reference does not exist
+ * null_oid. It is verified that the reference does not exist
* already.
*
* See the above comment "Reference transaction updates" for more
*/
int ref_transaction_create(struct ref_transaction *transaction,
const char *refname,
- const unsigned char *new_sha1,
+ const struct object_id *new_oid,
unsigned int flags, const char *msg,
struct strbuf *err);
/*
- * Add a reference deletion to transaction. If old_sha1 is non-NULL,
+ * Add a reference deletion to transaction. If old_oid is non-NULL,
* then it holds the value that the reference should have had before
- * the update (which must not be null_sha1).
+ * the update (which must not be null_oid).
*
* See the above comment "Reference transaction updates" for more
* information.
*/
int ref_transaction_delete(struct ref_transaction *transaction,
const char *refname,
- const unsigned char *old_sha1,
+ const struct object_id *old_oid,
unsigned int flags, const char *msg,
struct strbuf *err);
/*
- * Verify, within a transaction, that refname has the value old_sha1,
- * or, if old_sha1 is null_sha1, then verify that the reference
- * doesn't exist. old_sha1 must be non-NULL.
+ * Verify, within a transaction, that refname has the value old_oid,
+ * or, if old_oid is null_oid, then verify that the reference
+ * doesn't exist. old_oid must be non-NULL.
*
* See the above comment "Reference transaction updates" for more
* information.
*/
int ref_transaction_verify(struct ref_transaction *transaction,
const char *refname,
- const unsigned char *old_sha1,
+ const struct object_id *old_oid,
unsigned int flags,
struct strbuf *err);
* 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,
+ const struct object_id *new_oid, const struct object_id *old_oid,
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);
projects / thirdparty / git.git / blobdiff