A remote exists with an URL alone

We used to consider it an error if a remote didn't have at least a
fetch refspec. This was too much checking, as a remote doesn't in fact
need to have anything other than an URL configured to be considered
a remote.

src/remote.c

@@ -150,6 +150,9 @@ int git_remote_load(git_remote **out, git_repository *repo, const char *name)
 	}
 
 	error = parse_remote_refspec(config, &remote->fetch, git_buf_cstr(&buf));
+	if (error == GIT_ENOTFOUND)
+		error = GIT_SUCCESS;
+
 	if (error < GIT_SUCCESS) {
 		error = git__rethrow(error, "Failed to get fetch refspec");
 		goto cleanup;

tests-clar/network/remotes.c

@@ -101,3 +101,16 @@ void test_network_remotes__transform_r(void)
 	cl_assert(!strcmp(git_buf_cstr(&buf), "refs/remotes/test/master"));
 	git_buf_free(&buf);
 }
+
+void test_network_remotes__missing_refspecs(void)
+{
+	git_config *cfg;
+
+	git_remote_free(_remote);
+
+	cl_git_pass(git_repository_config(&cfg, _repo));
+	cl_git_pass(git_config_set_string(cfg, "remote.specless.url", "http://example.com"));
+	cl_git_pass(git_remote_load(&_remote, _repo, "specless"));
+
+	git_config_free(cfg);
+}