submodule.c: migrate diff output to use emit_diff_symbol

diff --git a/diff.h b/diff.h
index 2d442e296f9821ea4085188602b9ea4a4ba159a6..ae40bac7a957e90d6891d55aee8232c223d73016 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -148,9 +148,9 @@ struct diff_options {
        int abbrev;
        int ita_invisible_in_index;
 /* white-space error highlighting */
-#define WSEH_NEW 1
-#define WSEH_CONTEXT 2
-#define WSEH_OLD 4
+#define WSEH_NEW (1<<12)
+#define WSEH_CONTEXT (1<<13)
+#define WSEH_OLD (1<<14)
        unsigned ws_error_highlight;
        const char *prefix;
        int prefix_length;
@@ -188,6 +188,15 @@ struct diff_options {
        int diff_path_counter;
 };
 
+void diff_emit_submodule_del(struct diff_options *o, const char *line);
+void diff_emit_submodule_add(struct diff_options *o, const char *line);
+void diff_emit_submodule_untracked(struct diff_options *o, const char *path);
+void diff_emit_submodule_modified(struct diff_options *o, const char *path);
+void diff_emit_submodule_header(struct diff_options *o, const char *header);
+void diff_emit_submodule_error(struct diff_options *o, const char *err);
+void diff_emit_submodule_pipethrough(struct diff_options *o,
+                                    const char *line, int len);
+
 enum color_diff {
        DIFF_RESET = 0,
        DIFF_CONTEXT = 1,