1 files changed, 20 insertions, 0 deletions
diff --git a/weed/shell/command.go b/weed/shell/command.go
new file mode 100644
index 000000000..cfd994f3f
--- /dev/null
+++ b/weed/shell/command.go
@@ -0,0 +1,20 @@
+package shell
+
+import "io"
+
+type command interface {
+	Name() string
+	Help() string
+	Do([]string, *CommandEnv, io.Writer) error
+	HasTag(tag CommandTag) bool
+}
+
+var (
+	Commands = []command{}
+)
+
+type CommandTag string
+
+const (
+	ResourceHeavy CommandTag = "resourceHeavy"
+)