void fill_filespec(struct diff_filespec *, const struct object_id *,
int, unsigned short);
-#define CHECK_SIZE_ONLY 1
-#define CHECK_BINARY 2
-int diff_populate_filespec(struct repository *, struct diff_filespec *, unsigned int);
+/*
+ * Prefetch the entries in diff_queued_diff. The parameter is a pointer to a
+ * struct repository.
+ */
+void diff_queued_diff_prefetch(void *repository);
+
+struct diff_populate_filespec_options {
+ unsigned check_size_only : 1;
+ unsigned check_binary : 1;
+
+ /*
+ * If an object is missing, diff_populate_filespec() will invoke this
+ * callback before attempting to read that object again.
+ */
+ void (*missing_object_cb)(void *);
+ void *missing_object_data;
+};
+int diff_populate_filespec(struct repository *, struct diff_filespec *,
+ const struct diff_populate_filespec_options *);
void diff_free_filespec_data(struct diff_filespec *);
void diff_free_filespec_blob(struct diff_filespec *);
int diff_filespec_is_binary(struct repository *, struct diff_filespec *);
unsigned long *src_copied,
unsigned long *literal_added);
+/*
+ * If filespec contains an OID and if that object is missing from the given
+ * repository, add that OID to to_fetch.
+ */
+void diff_add_if_missing(struct repository *r,
+ struct oid_array *to_fetch,
+ const struct diff_filespec *filespec);
+
#endif