remote: make default tag retrieving behaviour consistent

Default for newly created remotes will be auto.
Default when loading existing remotes with no tag retrieving behaviour set, was already auto.

src/remote.c

@@ -48,9 +48,6 @@ static int download_tags_value(git_remote *remote, git_config *cfg)
 	git_buf buf = GIT_BUF_INIT;
 	int error;
 
-	if (remote->download_tags != GIT_REMOTE_DOWNLOAD_TAGS_UNSET)
-		return 0;
-
 	/* This is the default, let's see if we need to change it */
 	remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_AUTO;
 	if (git_buf_printf(&buf, "remote.%s.tagopt", remote->name) < 0)
@@ -117,10 +114,12 @@ static int create_internal(git_remote **out, git_repository *repo, const char *n
 			goto on_error;
 	}
 
-	/* A remote without a name doesn't download tags */
-	if (!name) {
+	if (!name)
+		/* A remote without a name doesn't download tags */
 		remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_NONE;
-	}
+	else
+		/* the default for a newly created remote is auto */
+		remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_AUTO;
 
 	*out = remote;
 	git_buf_free(&fetchbuf);

tests-clar/network/remote/remotes.c

@@ -286,11 +286,14 @@ void test_network_remote_remotes__add(void)
 	_remote = NULL;
 
 	cl_git_pass(git_remote_create(&_remote, _repo, "addtest", "http://github.com/libgit2/libgit2"));
+	cl_assert_equal_i(GIT_REMOTE_DOWNLOAD_TAGS_AUTO, git_remote_autotag(_remote));
 
 	git_remote_free(_remote);
 	_remote = NULL;
 
 	cl_git_pass(git_remote_load(&_remote, _repo, "addtest"));
+	cl_assert_equal_i(GIT_REMOTE_DOWNLOAD_TAGS_AUTO, git_remote_autotag(_remote));
+
 	_refspec = git_vector_get(&_remote->refspecs, 0);
 	cl_assert_equal_s("refs/heads/*", git_refspec_src(_refspec));
 	cl_assert(git_refspec_force(_refspec) == 1);