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 #define lookup_replace_object(r, s) lookup_replace_object_##r(s)
  27 static inline const struct object_id *lookup_replace_object_the_repository(const struct object_id *oid)
  28 {
  29         if (!check_replace_refs ||
  30             (the_repository->objects->replace_map &&
  31              the_repository->objects->replace_map->map.tablesize == 0))
  32                 return oid;
  33         return do_lookup_replace_object(the_repository, oid);
  34 }
  35
  36 #endif /* REPLACE_OBJECT_H */