ref: c1d40df49550393f3afe53fb6e6d500dfa8eb7a8
dir: /sys/src/cmd/git/test/util.rc/
fn q { {$* > /tmp/out.$pid && rm /tmp/out.$pid} || cat /tmp/out } fn qq { $* >/dev/null >[2]/dev/null } fn die { st=$status if(! ~ $st ''){ *=($* : $st) echo $"* exit $"* } } G=`{cleanname `{pwd}^/..}