refactor get_textconv to not require diff_filespec

diff --git a/diff.c b/diff.c
index ba5f7aa2173a7494b56395bfd88ab6228b5ed1fe..3f538f5803e414fb313ab60598682b8b8491e204 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -1976,19 +1976,7 @@ struct userdiff_driver *get_textconv(struct diff_filespec *one)
                return NULL;
 
        diff_filespec_load_driver(one);
-       if (!one->driver->textconv)
-               return NULL;
-
-       if (one->driver->textconv_want_cache && !one->driver->textconv_cache) {
-               struct notes_cache *c = xmalloc(sizeof(*c));
-               struct strbuf name = STRBUF_INIT;
-
-               strbuf_addf(&name, "textconv/%s", one->driver->name);
-               notes_cache_init(c, name.buf, one->driver->textconv);
-               one->driver->textconv_cache = c;
-       }
-
-       return one->driver;
+       return userdiff_get_textconv(one->driver);
 }
 
 static void builtin_diff(const char *name_a,