Handle edge case when allocation create/modify time difference is less than a second ago.

command/helpers.go

@@ -181,7 +181,11 @@ func prettyTimeDiff(first, second time.Time) string {
 	if num_periods > 2 {
 		end = indexes[num_periods-3]
 	}
-	return string(buf[start:end]) + " ago"
+	if start == end { //edge case when time difference is less than a second
+		return "0s ago"
+	} else {
+		return string(buf[start:end]) + " ago"
+	}
 
 }
 

command/helpers_test.go

@@ -300,6 +300,7 @@ func TestPrettyTimeDiff(t *testing.T) {
 		d   time.Duration
 		exp string
 	}{
+		{-100 * time.Millisecond, "0s ago"},
 		{-740 * time.Second, "12m20s ago"},
 		{-12 * time.Minute, "12m ago"},
 		{-60 * time.Minute, "1h ago"},