ref: e5a6ebecd29404c64a7a3da24c4ee4fd0fac122c
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