<oerjan> le/rn scowrevs///hackenv/share/scowrevs is a list of repository revision ranges that affected a lot of files but in the end changed nothing (usually because of a revert at the end). Most of our custom repository lookup commands ignore these to reduce noise.

line="${1-$(cat $HACKENV/tmp/spline)}"; len="$(awk 'END{print NR}' $HACKENV/tmp/spout)"; echo -n "$line/$len:"; sed -n "${line}{p;q}" $HACKENV/tmp/spout; echo "$((line<len?line+1:1))" > $HACKENV/tmp/spline