ref: aa0a20ed6ec2cd3d042dd1d8b93195eb14440763
dir: /rc/bin/sysupdate/
#!/bin/rc rfork n cd / if(! test -d .hg) bind -ac /dist/plan9front / while(! ~ $#* 0){ switch($1){ case -i hg incoming case * echo usage: sysupdate '[-i]' >[1=2] exit usage } shift } hg -v pull -u