move all subcommand to sigle file

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

cmd/cache.go

@@ -0,0 +1,35 @@
+package cmd
+
+import (
+	"github.com/helmfile/helmfile/pkg/app"
+	"github.com/helmfile/helmfile/pkg/config"
+	"github.com/urfave/cli"
+)
+
+var cacheInfoSubcommand = cli.Command{
+	Name:  "info",
+	Usage: "cache info",
+	Action: Action(func(a *app.App, c config.ConfigImpl) error {
+		return a.ShowCacheDir(c)
+	}),
+}
+
+var cacheCleanupSubcommand = cli.Command{
+	Name:  "cleanup",
+	Usage: "clean up cache directory",
+	Action: Action(func(a *app.App, c config.ConfigImpl) error {
+		return a.CleanCacheDir(c)
+	}),
+}
+
+func addCacheSubcommand(cliApp *cli.App) {
+	cliApp.Commands = append(cliApp.Commands, cli.Command{
+		Name:      "cache",
+		Usage:     "cache management",
+		ArgsUsage: "[command]",
+		Subcommands: []cli.Command{
+			cacheCleanupSubcommand,
+			cacheInfoSubcommand,
+		},
+	})
+}