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-rw-r--r--object.h39
1 files changed, 38 insertions, 1 deletions
diff --git a/object.h b/object.h
index 9293e703cc..0a04661a34 100644
--- a/object.h
+++ b/object.h
@@ -62,7 +62,7 @@ void object_array_init(struct object_array *array);
/*
* object flag allocation:
- * revision.h: 0---------10 15 23------27
+ * revision.h: 0---------10 15 23------27
* fetch-pack.c: 01 67
* negotiator/default.c: 2--5
* walker.c: 0-2
@@ -75,12 +75,14 @@ void object_array_init(struct object_array *array);
* commit-reach.c: 16-----19
* sha1-name.c: 20
* list-objects-filter.c: 21
+ * bloom.c: 2122
* builtin/fsck.c: 0--3
* builtin/gc.c: 0
* builtin/index-pack.c: 2021
* reflog.c: 10--12
* builtin/show-branch.c: 0-------------------------------------------26
* builtin/unpack-objects.c: 2021
+ * pack-bitmap.h: 2122
*/
#define FLAG_BITS 28
@@ -256,6 +258,41 @@ struct object *lookup_unknown_object(struct repository *r, const struct object_i
struct object *lookup_object_by_type(struct repository *r, const struct object_id *oid,
enum object_type type);
+enum peel_status {
+ /* object was peeled successfully: */
+ PEEL_PEELED = 0,
+
+ /*
+ * object cannot be peeled because the named object (or an
+ * object referred to by a tag in the peel chain), does not
+ * exist.
+ */
+ PEEL_INVALID = -1,
+
+ /* object cannot be peeled because it is not a tag: */
+ PEEL_NON_TAG = -2,
+
+ /* ref_entry contains no peeled value because it is a symref: */
+ PEEL_IS_SYMREF = -3,
+
+ /*
+ * ref_entry cannot be peeled because it is broken (i.e., the
+ * symbolic reference cannot even be resolved to an object
+ * name):
+ */
+ PEEL_BROKEN = -4
+};
+
+/*
+ * Peel the named object; i.e., if the object is a tag, resolve the
+ * tag recursively until a non-tag is found. If successful, store the
+ * result to oid and return PEEL_PEELED. If the object is not a tag
+ * or is not valid, return PEEL_NON_TAG or PEEL_INVALID, respectively,
+ * and leave oid unchanged.
+ */
+enum peel_status peel_object(struct repository *r,
+ const struct object_id *name, struct object_id *oid);
+
struct object_list *object_list_insert(struct object *item,
struct object_list **list_p);