Allow "minio server ." to start minio in fs mode (#4513)

cmd/endpoint.go

@@ -80,7 +80,7 @@ func (endpoint Endpoint) SetHTTP() {
 func NewEndpoint(arg string) (Endpoint, error) {
 	// isEmptyPath - check whether given path is not empty.
 	isEmptyPath := func(path string) bool {
-		return path == "" || path == "." || path == "/" || path == `\`
+		return path == "" || path == "/" || path == `\`
 	}
 
 	if isEmptyPath(arg) {

cmd/endpoint_test.go

@@ -62,7 +62,6 @@ func TestNewEndpoint(t *testing.T) {
 		{"http://127.0.0.1:8080/path", Endpoint{URL: u3, IsLocal: true}, URLEndpointType, nil},
 		{"http://192.168.253.200/path", Endpoint{URL: u4}, URLEndpointType, nil},
 		{"", Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")},
-		{".", Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")},
 		{"/", Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")},
 		{`\`, Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")},
 		{"c://foo", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format")},