my $date;
-for (qx{git log --pretty=format:%ct --shortstat --since='$height days ago'}) {
+for (qx{git log --find-renames --shortstat --pretty=format:%ct --since='$height days ago'}) {
next if m{^\s*$};
if (m{^(\d{10})\n$}) {
$date = int ($1 / 86400);