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#ifndef REPLACE_OBJECT_H
#define REPLACE_OBJECT_H
 
#include "oidmap.h"
#include "repository.h"
#include "object-store.h"
 
struct replace_object {
	struct oidmap_entry original;
	struct object_id replacement;
};
 
/*
 * This internal function is only declared here for the benefit of
 * lookup_replace_object().  Please do not call it directly.
 */
extern const struct object_id *do_lookup_replace_object(struct repository *r,
							const struct object_id *oid);
 
/*
 * If object sha1 should be replaced, return the replacement object's
 * name (replaced recursively, if necessary).  The return value is
 * either sha1 or a pointer to a permanently-allocated value.  When
 * object replacement is suppressed, always return sha1.
 */
#define lookup_replace_object(r, s) lookup_replace_object_##r(s)
static inline const struct object_id *lookup_replace_object_the_repository(const struct object_id *oid)
{
	if (!check_replace_refs ||
	    (the_repository->objects->replace_map &&
	     the_repository->objects->replace_map->map.tablesize == 0))
		return oid;
	return do_lookup_replace_object(the_repository, oid);
}
 
#endif /* REPLACE_OBJECT_H */