Factor delay out into .env

main.go

@@ -49,15 +49,36 @@ func main() {
 		return
 	}
 
+	edelay, ok := envvar["DELAY"]
+	if !ok {
+		Error.Fatalf("Error parsing DELAY variable: %v", err)
+		return
+	}
+	delay, err := time.ParseDuration(edelay)
+	if err != nil {
+		Error.Fatalf("Error parsing DELAY variable: %v", err)
+		return
+	}
+	log.Printf("Delay parsed as %v seconds", delay.Seconds())
+
 	root, ok := envvar["ROOT"]
 	if !ok {
 		Error.Fatalf("Error parsing ROOT variable: %v", err)
 		return
 	}
 
+	stat, err := os.Stat(root)
+	if err != nil {
+		Error.Fatalf("Error getting stat for '%v': %v", root, err)
+		return
+	}
+	if !stat.IsDir() {
+		Error.Fatalf("Error '%v' is not a directory", root)
+		return
+	}
+
 	WatchRecursively(root, func(event fsnotify.Event) {
 		if !queued {
-			delay := 5 * time.Minute
 			log.Printf("Mailing changes in %v seconds", delay.Seconds())
 			time.AfterFunc(delay, func() {
 				err := doNotify()