Display usage when no parameter in docker rm
@@ -389,6 +389,10 @@ func (srv *Server) CmdRm(stdin io.ReadCloser, stdout io.Writer, args ...string)
if err := cmd.Parse(args); err != nil {
return nil
}
+ if cmd.NArg() < 1 {
+ cmd.Usage()
+ return nil
+ }
for _, name := range cmd.Args() {
container := srv.runtime.Get(name)
if container == nil {