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

diff --git a/transport.c b/transport.c
index eca9b8c817bd723532d7f92da8cfa9f8ee82bb43..2d51348f3f3a5be03b2d00ec6530ac4cabfbf7c6 100644 (file)
--- a/transport.c
+++ b/transport.c
@@ -278,12 +278,11 @@ static int fetch_objs_via_rsync(struct transport *transport,
        return run_command(&rsync);
 }
 
-static int write_one_ref(const char *name, const unsigned char *sha1,
-               int flags, void *data)
+static int write_one_ref(const char *name, const struct object_id *oid,
+                        int flags, void *data)
 {
        struct strbuf *buf = data;
        int len = buf->len;
-       FILE *f;
 
        /* when called via for_each_ref(), flags is non-zero */
        if (flags && !starts_with(name, "refs/heads/") &&
@@ -292,27 +291,26 @@ static int write_one_ref(const char *name, const unsigned char *sha1,
 
        strbuf_addstr(buf, name);
        if (safe_create_leading_directories(buf->buf) ||
-                       !(f = fopen(buf->buf, "w")) ||
-                       fprintf(f, "%s\n", sha1_to_hex(sha1)) < 0 ||
-                       fclose(f))
-               return error("problems writing temporary file %s", buf->buf);
+           write_file_gently(buf->buf, "%s", oid_to_hex(oid)))
+               return error("problems writing temporary file %s: %s",
+                            buf->buf, strerror(errno));
        strbuf_setlen(buf, len);
        return 0;
 }
 
 static int write_refs_to_temp_dir(struct strbuf *temp_dir,
-               int refspec_nr, const char **refspec)
+                                 int refspec_nr, const char **refspec)
 {
        int i;
 
        for (i = 0; i < refspec_nr; i++) {
-               unsigned char sha1[20];
+               struct object_id oid;
                char *ref;
 
-               if (dwim_ref(refspec[i], strlen(refspec[i]), sha1, &ref) != 1)
+               if (dwim_ref(refspec[i], strlen(refspec[i]), oid.hash, &ref) != 1)
                        return error("Could not get ref %s", refspec[i]);
 
-               if (write_one_ref(ref, sha1, 0, temp_dir)) {
+               if (write_one_ref(ref, &oid, 0, temp_dir)) {
                        free(ref);
                        return -1;
                }
@@ -478,9 +476,6 @@ static int set_git_option(struct git_transport_options *opts,
                                die("transport: invalid depth option '%s'", value);
                }
                return 0;
-       } else if (!strcmp(name, TRANS_OPT_PUSH_CERT)) {
-               opts->push_cert = !!value;
-               return 0;
        }
        return 1;
 }
@@ -831,10 +826,16 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re
        args.progress = transport->progress;
        args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
        args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN);
-       args.push_cert = !!(flags & TRANSPORT_PUSH_CERT);
        args.atomic = !!(flags & TRANSPORT_PUSH_ATOMIC);
        args.url = transport->url;
 
+       if (flags & TRANSPORT_PUSH_CERT_ALWAYS)
+               args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
+       else if (flags & TRANSPORT_PUSH_CERT_IF_ASKED)
+               args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
+       else
+               args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
+
        ret = send_pack(&args, data->fd, data->conn, remote_refs,
                        &data->extra_have);