add debug and quiet flags

cmd/apply.go

@@ -22,6 +22,14 @@ var applyCmd = &cobra.Command{
 	Short: "Apply model defined in fogg.json to the current tree.",
 	Long:  "This command will take the model defined in fogg.json, build a plan and generate the appropriate files from templates.",
 	Run: func(cmd *cobra.Command, args []string) {
+		logLevel := log.InfoLevel
+		if debug { // debug overrides quiet
+			logLevel = log.DebugLevel
+		} else if quiet {
+			logLevel = log.FatalLevel
+		}
+		log.SetLevel(logLevel)
+
 		var e error
 		// Set up fs
 		pwd, e := os.Getwd()

cmd/plan.go

@@ -21,9 +21,16 @@ var planCmd = &cobra.Command{
 	Short: "Run a plan",
 	Long:  "plan will read fogg.json, use that to generate a plan and print that plan out. It will make no changes.",
 	Run: func(cmd *cobra.Command, args []string) {
+		logLevel := log.InfoLevel
+		if debug { // debug overrides quiet
+			logLevel = log.DebugLevel
+		} else if quiet {
+			logLevel = log.FatalLevel
+		}
+		log.SetLevel(logLevel)
+
 		var e error
 		// Set up fs
-
 		pwd, e := os.Getwd()
 		if e != nil {
 			log.Panic(e)

cmd/root.go

@@ -7,6 +7,16 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var (
+	debug bool
+	quiet bool
+)
+
+func init() {
+	rootCmd.PersistentFlags().BoolVar(&debug, "debug", false, "enable verbose output")
+	rootCmd.PersistentFlags().BoolVarP(&quiet, "quiet", "q", false, "do not output to console; use return code to determine success/failure")
+}
+
 var rootCmd = &cobra.Command{
 	Use:   "fogg",
 	Short: "",