1 files changed, 3 insertions, 0 deletions
diff --git a/diff.h b/diff.h
index c5d3a4f96..9a652e7f3 100644
--- a/diff.h
+++ b/diff.h
@@ -62,6 +62,7 @@ typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
 #define DIFF_OPT_EXIT_WITH_STATUS    (1 << 14)
 #define DIFF_OPT_REVERSE_DIFF        (1 << 15)
 #define DIFF_OPT_CHECK_FAILED        (1 << 16)
+#define DIFF_OPT_RELATIVE_NAME       (1 << 17)
 #define DIFF_OPT_TST(opts, flag)    ((opts)->flags & DIFF_OPT_##flag)
 #define DIFF_OPT_SET(opts, flag)    ((opts)->flags |= DIFF_OPT_##flag)
 #define DIFF_OPT_CLR(opts, flag)    ((opts)->flags &= ~DIFF_OPT_##flag)
@@ -85,6 +86,8 @@ struct diff_options {
 	int dirstat_percent;
 	int setup;
 	int abbrev;
+	const char *prefix;
+	int prefix_length;
 	const char *msg_sep;
 	const char *stat_sep;
 	long xdl_opts;