ddeb0470bd34737b891fed1535842a9a83bbe7cd
[git/git.git] / replace-object.h
1 #ifndef REPLACE_OBJECT_H
2 #define REPLACE_OBJECT_H
3
4 #include "oidmap.h"
5 #include "repository.h"
6 #include "object-store.h"
7
8 struct replace_object {
9 struct oidmap_entry original;
10 struct object_id replacement;
11 };
12
13 /*
14 * This internal function is only declared here for the benefit of
15 * lookup_replace_object(). Please do not call it directly.
16 */
17 #define do_lookup_replace_object(r, s) do_lookup_replace_object_##r(s)
18 extern const struct object_id *do_lookup_replace_object_the_repository(const struct object_id *oid);
19
20 /*
21 * If object sha1 should be replaced, return the replacement object's
22 * name (replaced recursively, if necessary). The return value is
23 * either sha1 or a pointer to a permanently-allocated value. When
24 * object replacement is suppressed, always return sha1.
25 */
26 static inline const struct object_id *lookup_replace_object(const struct object_id *oid)
27 {
28 if (!check_replace_refs ||
29 (the_repository->objects->replace_map &&
30 the_repository->objects->replace_map->map.tablesize == 0))
31 return oid;
32 return do_lookup_replace_object(the_repository, oid);
33 }
34
35 #endif /* REPLACE_OBJECT_H */