diff options
Diffstat (limited to 'refs.h')
| -rw-r--r-- | refs.h | 139 |
1 files changed, 67 insertions, 72 deletions
@@ -10,25 +10,26 @@ struct worktree; /* * 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 oid 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: * * - If RESOLVE_REF_READING is set, return NULL. * - * - If RESOLVE_REF_READING is not set, clear sha1 and return the name of + * - If RESOLVE_REF_READING is not set, clear oid and return the name of * the last reference name in the chain, which will either be a non-symbolic * reference or an undefined reference. If this is a prelude to * "writing" to the ref, the return value is the name of the ref * that will actually be created or changed. * * If the RESOLVE_REF_NO_RECURSE flag is passed, only resolves one - * level of symbolic reference. The value stored in sha1 for a symbolic - * reference will always be null_sha1 in this case, and the return + * level of symbolic reference. The value stored in oid for a symbolic + * reference will always be null_oid in this case, and the return * value is the reference that the symref refers to directly. * * If flags is non-NULL, set the value that it points to the @@ -45,7 +46,7 @@ struct worktree; * * RESOLVE_REF_ALLOW_BAD_NAME allows resolving refs even when their * name is invalid according to git-check-ref-format(1). If the name - * is bad then the value stored in sha1 will be null_sha1 and the two + * is bad then the value stored in oid will be null_oid and the two * flags REF_ISBROKEN and REF_BAD_NAME will be set. * * Even with RESOLVE_REF_ALLOW_BAD_NAME, names that escape the refs/ @@ -61,22 +62,22 @@ struct worktree; const char *refs_resolve_ref_unsafe(struct ref_store *refs, const char *refname, int resolve_flags, - unsigned char *sha1, + struct object_id *oid, int *flags); const char *resolve_ref_unsafe(const char *refname, int resolve_flags, - unsigned char *sha1, int *flags); + struct object_id *oid, int *flags); 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 @@ -113,14 +114,14 @@ 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, - * store the SHA1 of the referred-to object to sha1 and return 0. If - * any of these conditions are not met, return a non-zero value. + * store the object ID of the referred-to object to oid and return 0. + * If any of these conditions are not met, return a non-zero value. * 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); + struct object_id *oid); +int peel_ref(const char *refname, struct object_id *oid); /** * Resolve refname in the nested "gitlink" repository in the specified @@ -129,7 +130,7 @@ int peel_ref(const char *refname, unsigned char *sha1); * otherwise, return a non-zero value. */ int resolve_gitlink_ref(const char *submodule, const char *refname, - unsigned char *sha1); + struct object_id *oid); /* * Return true iff abbrev_name is a possible abbreviation for @@ -138,9 +139,9 @@ int resolve_gitlink_ref(const char *submodule, const char *refname, */ 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); +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, struct object_id *oid, char **ref); /* * A ref_transaction represents a collection of reference updates that @@ -275,6 +276,8 @@ typedef int each_ref_fn(const char *refname, * modifies the reference also returns a nonzero value to immediately * stop the iteration. Returned references are sorted. */ +int refs_head_ref(struct ref_store *refs, + each_ref_fn fn, void *cb_data); 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, @@ -289,6 +292,9 @@ int refs_for_each_remote_ref(struct ref_store *refs, 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 refs_for_each_fullref_in(struct ref_store *refs, const char *prefix, + each_ref_fn fn, void *cb_data, + unsigned int broken); 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); @@ -299,21 +305,6 @@ 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); -int for_each_fullref_in_submodule(const char *submodule, const char *prefix, - each_ref_fn fn, void *cb_data, - unsigned int broken); -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); - int head_ref_namespaced(each_ref_fn fn, void *cb_data); int for_each_namespaced_ref(each_ref_fn fn, void *cb_data); @@ -372,7 +363,7 @@ 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, timestamp_t at_time, int cnt, - unsigned char *sha1, char **msg, + struct object_id *oid, char **msg, timestamp_t *cutoff_time, int *cutoff_tz, int *cutoff_cnt); /** Check if a particular reflog exists */ @@ -380,19 +371,19 @@ int refs_reflog_exists(struct ref_store *refs, const char *refname); 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 @@ -451,7 +442,14 @@ 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 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); @@ -513,14 +511,14 @@ struct ref_transaction *ref_transaction_begin(struct strbuf *err); */ /* - * 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 @@ -528,15 +526,15 @@ struct ref_transaction *ref_transaction_begin(struct strbuf *err); */ 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 @@ -544,35 +542,35 @@ int ref_transaction_update(struct ref_transaction *transaction, */ 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); @@ -645,12 +643,9 @@ void ref_transaction_free(struct ref_transaction *transaction); * 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); @@ -708,20 +703,20 @@ typedef int reflog_expiry_should_prune_fn(struct object_id *ooid, typedef void reflog_expiry_cleanup_fn(void *cb_data); /* - * Expire reflog entries for the specified reference. sha1 is the old + * Expire reflog entries for the specified reference. oid is the old * value of the reference. flags is a combination of the constants in * 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, + const struct object_id *oid, 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, +int reflog_expire(const char *refname, const struct object_id *oid, unsigned int flags, reflog_expiry_prepare_fn prepare_fn, reflog_expiry_should_prune_fn should_prune_fn, |