diff options
Diffstat (limited to 'refs.h')
-rw-r--r-- | refs.h | 53 |
1 files changed, 30 insertions, 23 deletions
@@ -58,6 +58,11 @@ struct worktree; * resolved. The function returns NULL for such ref names. * Caps and underscores refers to the special refs, such as HEAD, * FETCH_HEAD and friends, that all live outside of the refs/ directory. + * + * Callers should not inspect "errno" on failure, but rather pass in a + * "failure_errno" parameter, on failure the "errno" will indicate the + * type of failure encountered, but not necessarily one that came from + * a syscall. We might have faked it up. */ #define RESOLVE_REF_READING 0x01 #define RESOLVE_REF_NO_RECURSE 0x02 @@ -67,7 +72,8 @@ const char *refs_resolve_ref_unsafe(struct ref_store *refs, const char *refname, int resolve_flags, struct object_id *oid, - int *flags); + int *flags, int *failure_errno); + const char *resolve_ref_unsafe(const char *refname, int resolve_flags, struct object_id *oid, int *flags); @@ -77,8 +83,6 @@ char *refs_resolve_refdup(struct ref_store *refs, char *resolve_refdup(const char *refname, int resolve_flags, struct object_id *oid, int *flags); -int refs_read_ref_full(struct ref_store *refs, const char *refname, - int resolve_flags, struct object_id *oid, int *flags); int read_ref_full(const char *refname, int resolve_flags, struct object_id *oid, int *flags); int read_ref(const char *refname, struct object_id *oid); @@ -118,16 +122,16 @@ int is_branch(const char *refname); 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 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. + * Return the peeled value of the oid currently being iterated via + * for_each_ref(), etc. This is equivalent to calling: + * + * peel_object(oid, &peeled); + * + * with the "oid" value given to the each_ref_fn callback, except + * that some ref storage may be able to answer the query without + * actually loading the object in memory. */ -int refs_peel_ref(struct ref_store *refs, const char *refname, - struct object_id *oid); -int peel_ref(const char *refname, struct object_id *oid); +int peel_iterated_oid(const struct object_id *base, struct object_id *peeled); /** * Resolve refname in the nested "gitlink" repository in the specified @@ -342,12 +346,18 @@ 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); + each_ref_fn fn, void *cb_data); +int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data); /** + * iterate all refs in "patterns" by partitioning patterns into disjoint sets + * and iterating the longest-common prefix of each set. + * + * callers should be prepared to ignore references that they did not ask for. + */ +int for_each_fullref_in_prefixes(const char *namespace, const char **patterns, + each_ref_fn fn, void *cb_data); +/** * iterate refs from the respective area. */ int for_each_tag_ref(each_ref_fn fn, void *cb_data); @@ -787,7 +797,7 @@ enum expire_reflog_flags { * expiration policy that is desired. * * reflog_expiry_prepare_fn -- Called once after the reference is - * locked. + * locked. Called with the OID of the locked reference. * * reflog_expiry_should_prune_fn -- Called once for each entry in the * existing reflog. It should return true iff that entry should be @@ -807,28 +817,25 @@ 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. oid is the old - * value of the reference. flags is a combination of the constants in + * Expire reflog entries for the specified 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 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 struct object_id *oid, +int reflog_expire(const char *refname, 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); - struct ref_store *get_main_ref_store(struct repository *r); /** |