-/* These are for diff-helper */
-
-struct diff_spec {
- unsigned char blob_sha1[20];
- unsigned short mode; /* file mode */
- unsigned sha1_valid : 1; /* if true, use blob_sha1 and trust mode;
- * however with a NULL SHA1, read them
- * from the file system.
- * if false, use the name and read mode from
- * the filesystem.
- */
- unsigned file_valid : 1; /* if false the file does not even exist */
-};
-
-extern void run_external_diff(const char *name,
- struct diff_spec *, struct diff_spec *);
+extern int diff_scoreopt_parse(const char *opt);
+
+#define DIFF_SETUP_REVERSE 1
+extern void diff_setup(int flags);
+
+#define DIFF_DETECT_RENAME 1
+#define DIFF_DETECT_COPY 2
+
+extern void diffcore_rename(int rename_copy, int minimum_score);
+
+#define DIFF_PICKAXE_ALL 1
+extern void diffcore_pickaxe(const char *needle, int opts);
+
+extern void diffcore_pathspec(const char **pathspec);
+
+extern int diff_queue_is_empty(void);
+
+#define DIFF_FORMAT_HUMAN 0
+#define DIFF_FORMAT_MACHINE 1
+#define DIFF_FORMAT_PATCH 2
+#define DIFF_FORMAT_NO_OUTPUT 3
+
+extern void diff_flush(int output_style, int resolve_rename_copy);