remote: add promisor and partial clone config to the doc

diff --git a/parse-options.c b/parse-options.c
index 987e27cb91162ab03320ff9674f3ad52ffa829b4..87b26a1d922e8905fe369b164ae5cad7ea372426 100644 (file)
--- a/parse-options.c
+++ b/parse-options.c
@@ -195,6 +195,9 @@ static enum parse_opt_result get_value(struct parse_opt_ctx_t *p,
                }
                if (get_arg(p, opt, flags, &arg))
                        return -1;
+               if (!*arg)
+                       return error(_("%s expects a numerical value"),
+                                    optname(opt, flags));
                *(int *)opt->value = strtol(arg, (char **)&s, 10);
                if (*s)
                        return error(_("%s expects a numerical value"),