refactor

weed/shell/command.go

@@ -6,9 +6,15 @@ type command interface {
 	Name() string
 	Help() string
 	Do([]string, *CommandEnv, io.Writer) error
-	IsResourceHeavy() bool
+	HasTag(tag CommandTag) bool
 }
 
 var (
 	Commands = []command{}
 )
+
+type CommandTag string
+
+const (
+	ResourceHeavy CommandTag = "resourceHeavy"
+)