Don't forget to assign the resulting date.

2017-02-17 15:47:45 +01:00 · 2017-02-17 15:47:45 +01:00 · ccf97c55a5
commit ccf97c55a5
parent 77eb147a0c
1 changed files with 1 additions and 1 deletions
--- a/postfix_exporter.go
+++ b/postfix_exporter.go
@ -85,7 +85,7 @@ func CollectShowqFromReader(file io.Reader, ch chan<- prometheus.Metric) error {
 			}
 			date = date.AddDate(now.Year(), 0, 0)
 			if date.After(now) {
-				date.AddDate(-1, 0, 0)
+				date = date.AddDate(-1, 0, 0)
 			}

 			sizeHistogram.Observe(size)