#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.

 */

static inline const struct object_id *lookup_replace_object(struct repository *r,

							    const struct object_id *oid)

{

	if (!check_replace_refs ||

	    (r->objects->replace_map &&

	     r->objects->replace_map->map.tablesize == 0))

		return oid;

	return do_lookup_replace_object(r, oid);

}

#endif /* REPLACE_OBJECT_H */