use reflogs from state to work out branch recencies

pkg/utils/date.go

@@ -0,0 +1,21 @@
+package utils
+
+import (
+	"fmt"
+	"time"
+)
+
+func UnixToTimeAgo(timestamp int) string {
+	now := time.Now().Unix()
+	delta := float64(now - int64(timestamp))
+	// we go seconds, minutes, hours, days, weeks, months, years
+	conversions := []float64{60, 60, 24, 7, 4.34524, 12}
+	labels := []string{"s", "m", "h", "d", "w", "m", "y"}
+	for i, conversion := range conversions {
+		if delta < conversion {
+			return fmt.Sprintf("%d%s", int(delta), labels[i])
+		}
+		delta /= conversion
+	}
+	return fmt.Sprintf("%dy", int(delta))
+}