builtin/submodule--helper: factor out submodule updating

diff --git a/diff.h b/diff.h
index d29560f822ca0ee4738f769e2feb3939851d7ff1..a14895bb824f2c844f8d2382b42d6c6f738e3835 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -208,11 +208,16 @@ struct diff_options {
        enum {
                COLOR_MOVED_NO = 0,
                COLOR_MOVED_PLAIN = 1,
-               COLOR_MOVED_ZEBRA = 2,
-               COLOR_MOVED_ZEBRA_DIM = 3,
+               COLOR_MOVED_BLOCKS = 2,
+               COLOR_MOVED_ZEBRA = 3,
+               COLOR_MOVED_ZEBRA_DIM = 4,
        } color_moved;
        #define COLOR_MOVED_DEFAULT COLOR_MOVED_ZEBRA
        #define COLOR_MOVED_MIN_ALNUM_COUNT 20
+
+       /* XDF_WHITESPACE_FLAGS regarding block detection are set at 2, 3, 4 */
+       #define COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE (1<<5)
+       int color_moved_ws_handling;
 };
 
 void diff_emit_submodule_del(struct diff_options *o, const char *line);
@@ -324,6 +329,7 @@ extern int git_diff_ui_config(const char *var, const char *value, void *cb);
 extern void diff_setup(struct diff_options *);
 extern int diff_opt_parse(struct diff_options *, const char **, int, const char *);
 extern void diff_setup_done(struct diff_options *);
+extern int git_config_rename(const char *var, const char *value);
 
 #define DIFF_DETECT_RENAME     1
 #define DIFF_DETECT_COPY       2