rev=$(eval "git-rev-list --bisect $good $bad") || exit
nr=$(eval "git-rev-list $rev $good" | wc -l) || exit
if [ "$nr" -le "1" ]; then
rev=$(eval "git-rev-list --bisect $good $bad") || exit
nr=$(eval "git-rev-list $rev $good" | wc -l) || exit
if [ "$nr" -le "1" ]; then