On Tue, Jul 12 2022, Siddharth Asthana wrote: > -static int commit_rewrite_person(struct strbuf *buf, const char *what, struct string_list *mailmap) > +/* > + * Returns the difference between the new and old length of the ident line. > + */ > +static ssize_t rewrite_ident_line(const char* person, struct strbuf *buf, struct string_list *mailmap) All tests pass with this as size_t, instead of size_t. Let's use that here instead?