ref: 65fb94d4bf489d39ca2e6d744633822e7c435b4b
dir: /common.rc/
nl=' ' fn die{ >[1=2] echo $0: $* exit $"* } fn usage{ >[1=2] echo -n 'usage:' $usage exit 'usage' } fn gitup{ gitroot=`{git/conf -r >[2]/dev/null} if(~ $#gitroot 0) die 'not a git repository' cd $gitroot git/fs }