simplify commands and version handling

ocis/pkg/command/proxy.go

@@ -13,9 +13,6 @@ func ProxyCommand(cfg *config.Config) *cli.Command {
 		Name:     "proxy",
 		Usage:    "Start proxy server",
 		Category: "Extensions",
-		Subcommands: []*cli.Command{
-			command.PrintVersion(cfg.Proxy),
-		},
 		Before: func(ctx *cli.Context) error {
 			if err := ParseConfig(ctx, cfg); err != nil {
 				return err
@@ -27,10 +24,7 @@ func ProxyCommand(cfg *config.Config) *cli.Command {
 
 			return nil
 		},
-		Action: func(c *cli.Context) error {
-			origCmd := command.Server(cfg.Proxy)
-			return handleOriginalAction(c, origCmd)
-		},
+		Subcommands: command.GetCommands(cfg.Proxy),
 	}
 }