<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/sh
exec perl -e 'open$I,"<",($ENV{HACKENV}//"/hackenv")."/share/mtg/allsets.txt"or die;$/=""; while(<$I>){/\A(?i)\Q$ARGV[0]/ and print}' "$1"