notes on format duration

Signed-off-by: Jeff Carr <jcarr@wit.com>

time.go

@@ -52,31 +52,48 @@ func GetDurationStamp(t time.Time) string {
 }
 
 func FormatDuration(d time.Duration) string {
-	seconds := int(d.Seconds()) % 60
-	minutes := int(d.Minutes()) % 60
-	hours := int(d.Hours()) % 24
-	days := int(d.Hours()) / 24
-	years := int(d.Hours()) / (24 * 365)
-
 	result := ""
+
+	// check if it's more than a year
+	years := int(d.Hours()) / (24 * 365)
 	if years > 0 {
 		result += fmt.Sprintf("%dy ", years)
 		return result
 	}
+
+	// check if it's more than a day
+	days := int(d.Hours()) / 24
 	if days > 0 {
 		result += fmt.Sprintf("%dd ", days)
 		return result
 	}
+
+	// check if it's more than an hour
+	hours := int(d.Hours()) % 24
 	if hours > 0 {
 		result += fmt.Sprintf("%dh ", hours)
 		return result
 	}
+
+	// check if it's more than a minute
+	minutes := int(d.Minutes()) % 60
 	if minutes > 0 {
 		result += fmt.Sprintf("%dm ", minutes)
 		return result
 	}
+
+	// check if it's more than a second
+	seconds := int(d.Seconds()) % 60
 	if seconds > 0 {
 		result += fmt.Sprintf("%ds", seconds)
-	}
+		return result
+	}
+
+	// report in milliseconds
+	ms := int(d.Milliseconds())
+	if ms > 100 {
+		// todo: print .3s, etc ?
+	}
+	result += fmt.Sprintf("%dms", ms)
 	return result
 }