clone: better error when --reference is a linked checkout

diff --git a/send-pack.h b/send-pack.h
index b6646488aaf93814c5053d79528c1b5a4d19bcb5..57f222abccd7e77dad7e9a107e44971d16db79c2 100644 (file)
--- a/send-pack.h
+++ b/send-pack.h
@@ -1,6 +1,11 @@
 #ifndef SEND_PACK_H
 #define SEND_PACK_H
 
+/* Possible values for push_cert field in send_pack_args. */
+#define SEND_PACK_PUSH_CERT_NEVER 0
+#define SEND_PACK_PUSH_CERT_IF_ASKED 1
+#define SEND_PACK_PUSH_CERT_ALWAYS 2
+
 struct send_pack_args {
        const char *url;
        unsigned verbose:1,
@@ -12,11 +17,16 @@ struct send_pack_args {
                use_thin_pack:1,
                use_ofs_delta:1,
                dry_run:1,
-               push_cert:1,
+               /* One of the SEND_PACK_PUSH_CERT_* constants. */
+               push_cert:2,
                stateless_rpc:1,
                atomic:1;
 };
 
+struct option;
+int option_parse_push_signed(const struct option *opt,
+                            const char *arg, int unset);
+
 int send_pack(struct send_pack_args *args,
              int fd[], struct child_process *conn,
              struct ref *remote_refs, struct sha1_array *extra_have);