feat(commands): refactor and add more commands

commands/fs/cp.go

@@ -0,0 +1,21 @@
+package fs
+
+import (
+	"github.com/versenilvis/iris/commands/core"
+)
+
+func init() {
+	core.Register(&core.Spec{
+		Name:        "cp",
+		Description: "copy files and directories",
+		Generator:   core.FileGenerator(),
+		Options: []core.Option{
+			{Name: "-r", Description: "recursive"},
+			{Name: "-a", Description: "archive mode"},
+			{Name: "-v", Description: "verbose"},
+			{Name: "-i", Description: "interactive"},
+			{Name: "-u", Description: "update (copy only if newer)"},
+			{Name: "-p", Description: "preserve attributes"},
+		},
+	})
+}