diff: factor out add_diff_options()
Add a function for appending the parseopts member of struct diff_options
to a struct option array. Use it in two sites instead of accessing the
parseopts member directly. Decoupling callers from diff internals like
that allows us to change the latter.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/diff.c b/diff.c
index 648f671..a74bfb4 100644
--- a/diff.c
+++ b/diff.c
@@ -5397,6 +5397,12 @@ static int diff_opt_rotate_to(const struct option *opt, const char *arg, int uns
return 0;
}
+struct option *add_diff_options(const struct option *opts,
+ struct diff_options *options)
+{
+ return parse_options_concat(opts, options->parseopts);
+}
+
static void prep_parse_options(struct diff_options *options)
{
struct option parseopts[] = {
