Use cobra (#234)

switch to cobra

Signed-off-by: yxxhero <aiopsclub@163.com>

pkg/config/cache.go

@@ -0,0 +1,28 @@
+package config
+
+// CacheOptions is the options for the build command
+type CacheOptions struct{}
+
+// NewCacheOptions creates a new Apply
+func NewCacheOptions() *CacheOptions {
+	return &CacheOptions{}
+}
+
+// CacheImpl is impl for applyOptions
+type CacheImpl struct {
+	*GlobalImpl
+	*CacheOptions
+}
+
+// NewCacheImpl creates a new CacheImpl
+func NewCacheImpl(g *GlobalImpl, b *CacheOptions) *CacheImpl {
+	return &CacheImpl{
+		GlobalImpl:   g,
+		CacheOptions: b,
+	}
+}
+
+// Args returns the args.
+func (b *CacheImpl) Args() string {
+	return ""
+}