add shorthand for providing schemas

Author: Brendan Ryan

kubeval/config.go

@@ -42,11 +42,10 @@ type Config struct {
 	FileName string
 }
 
-
 // NewDefaultConfig creates a Config with default values
 func NewDefaultConfig() *Config {
 	return &Config{
-		FileName: "stdin",
+		FileName:          "stdin",
 		KubernetesVersion: "master",
 	}
 }
@@ -59,7 +58,7 @@ func AddKubevalFlags(cmd *cobra.Command, config *Config) *cobra.Command {
 	cmd.Flags().BoolVar(&config.Strict, "strict", false, "Disallow additional properties not in schema")
 	cmd.Flags().StringVarP(&config.FileName, "filename", "f", "stdin", "filename to be displayed when testing manifests read from stdin")
 	cmd.Flags().StringSliceVar(&config.KindsToSkip, "skip-kinds", []string{}, "Comma-separated list of case-sensitive kinds to skip when validating against schemas")
-	cmd.Flags().StringVar(&config.SchemaLocation, "schema-location", "", "Base URL used to download schemas. Can also be specified with the environment variable KUBEVAL_SCHEMA_LOCATION")
+	cmd.Flags().StringVarP(&config.SchemaLocation, "schema-location", "s", "", "Base URL used to download schemas. Can also be specified with the environment variable KUBEVAL_SCHEMA_LOCATION.")
 	cmd.Flags().StringVarP(&config.KubernetesVersion, "kubernetes-version", "v", "master", "Version of Kubernetes to validate against")
 	return cmd
 }