Add comments.

main.go

@@ -36,6 +36,7 @@ func main() {
 	fmt.Println(foo.Bar("Kung"))
 	GlobalVar = foo.Bar("Kung")
 
+	// Exec Testing
 	cmd := exec.Command("whoami")
 	log.Println("starting cmd...")
 	out, err := cmd.CombinedOutput()
@@ -45,13 +46,16 @@ func main() {
 
 	fmt.Print(string(out))
 
+	// Docker Testing
 	err = tools.Docker().Image().Build("test:latest", ".", "Dockerfile")
 	if err != nil {
 		log.Println(err)
 	}
 
+	// State Testing
 	state.Set("myvar", time.Now())
 
+	// Mergo Testing
 	first := "first"
 	second := "second"
 	src := Foo{
@@ -66,6 +70,7 @@ func main() {
 
 	mergo.Merge(&dest, src, mergo.WithOverride, mergo.WithoutDereference)
 
+	// Yaml Testing
 	y, err := yaml.Marshal(dest)
 	if err != nil {
 		log.Println(err)
@@ -73,17 +78,18 @@ func main() {
 		log.Println(string(y))
 	}
 
+	// Terraform Testing
 	t := tools.Terraform(".")
 
 	fmt.Println("# Plan")
 	p, err := t.Plan()
 	if err != nil {
-		log.Fatal(err)
-	}
-
-	fmt.Println("# Changes")
-	for _, v := range p.ResourceChanges {
-		fmt.Println("  ", v.Address)
+		log.Println(err)
+	} else {
+		fmt.Println("# Changes")
+		for _, v := range p.ResourceChanges {
+			fmt.Println("  ", v.Address)
+		}
 	}
 }