add update 'none' flag to disable update of submodule by default

diff --git a/userdiff.c b/userdiff.c
index e55310cd02c8e7d1f0404b2fee9539e7340993d9..01d3a8b81e628b0a088e3e9fc0ca59acf7d9c58d 100644 (file)
--- a/userdiff.c
+++ b/userdiff.c
@@ -281,3 +281,20 @@ struct userdiff_driver *userdiff_find_by_path(const char *path)
                return NULL;
        return userdiff_find_by_name(check.value);
 }
+
+struct userdiff_driver *userdiff_get_textconv(struct userdiff_driver *driver)
+{
+       if (!driver->textconv)
+               return NULL;
+
+       if (driver->textconv_want_cache && !driver->textconv_cache) {
+               struct notes_cache *c = xmalloc(sizeof(*c));
+               struct strbuf name = STRBUF_INIT;
+
+               strbuf_addf(&name, "textconv/%s", driver->name);
+               notes_cache_init(c, name.buf, driver->textconv);
+               driver->textconv_cache = c;
+       }
+
+       return driver;
+}