add, reset: use DIFF_OPT_SET macro to set a diff flag

diff --git a/submodule.c b/submodule.c
index f2f30bb488c05d9002d755feed65e9ca781a440c..63e7094e1620c2c3eb7dda0a8c38a833ae2d1c5a 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -503,7 +503,7 @@ static void show_submodule_header(struct diff_options *o, const char *path,
 
        if (add_submodule_odb(path)) {
                if (!message)
-                       message = "(not initialized)";
+                       message = "(commits not present)";
                goto output_header;
        }
 
@@ -1997,6 +1997,10 @@ const char *get_superproject_working_tree(void)
        return ret;
 }
 
+/*
+ * Put the gitdir for a submodule (given relative to the main
+ * repository worktree) into `buf`, or return -1 on error.
+ */
 int submodule_to_gitdir(struct strbuf *buf, const char *submodule)
 {
        const struct submodule *sub;