<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.

#!/bin/bash
icao="$(airport "$*" | sed -e "s/.*, //;s/)//" | shuf -n 1)"
echo You probably mean @metar "${icao:-$1}"