Implement default config values (#329)

Gopkg.toml

@@ -59,3 +59,7 @@
 [[constraint]]
   branch = "v2"
   name = "gopkg.in/yaml.v2"
+
+[[constraint]]
+  name = "github.com/creasty/defaults"
+  version = "1.2.1"

commands/test-config.go

@@ -33,8 +33,8 @@ func testConfiguration(c *cli.Context) error {
 	// First, print out the config as it was parsed
 	conf, err := config.LoadConfig(c.String("config"))
 	if err != nil {
-		fmt.Fprintf(os.Stdout, "Failed to config, exiting")
-		panic(err)
+		fmt.Fprintf(os.Stdout, "Failed to config: %s\n", err.Error())
+		os.Exit(-1)
 	}
 
 	staticConfig, err := yaml.Marshal(conf.S)

commands/update-check.go

@@ -30,18 +30,11 @@ func GetVersionPrinter() func(*cli.Context) {
 //returns a string indicating the new version if available
 func updateCheck(configFile string) string {
 	res := resources.InitResources(configFile)
-	deltaPtr := res.Config.S.UserConfig.UpdateCheckFrequency
+	delta := res.Config.S.UserConfig.UpdateCheckFrequency
 	var newVersion semver.Version
 	var err error
-	var delta int
 	var timestamp time.Time
 
-	if deltaPtr == nil {
-		delta = 14
-	} else {
-		delta = *deltaPtr
-	}
-
 	if delta <= 0 {
 		return ""
 	}
@@ -108,7 +101,6 @@ func getRemoteVersion() (semver.Version, error) {
 // The return value is printed regardless so, "" is returned on errror.
 //func informUser( verStr string, index int ) string {
 func informUser(local semver.Version, remote semver.Version) string {
-
 	return fmt.Sprintf(informFmtStr,
 		versions[versionDiffIndex(remote, local)],
 		fmt.Sprint(remote))