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-rw-r--r--diff.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/diff.h b/diff.h
index 40a6757..a07ee9f 100644
--- a/diff.h
+++ b/diff.h
@@ -29,6 +29,8 @@ extern void diff_unmerge(const char *path);
extern int diff_scoreopt_parse(const char *opt);
#define DIFF_SETUP_REVERSE 1
+#define DIFF_SETUP_USE_CACHE 2
+#define DIFF_SETUP_USE_SIZE_CACHE 4
extern void diff_setup(int flags);
#define DIFF_DETECT_RENAME 1