ref: cea8596fb4d48dd0feecf0d34b6f1a750376cf00
dir: /rc/bin/sysupdate/
#!/bin/rc
rfork n
cd /
incoming=1
switch($1){
case -h
echo usage: sysupdate [-i] >[1=2]
exit usage
case -i
incoming=0
}
rfork n
cd /
if(! test -d .hg)
bind -ac /dist/plan9front /
if(~ $incoming 1)
hg incoming
hg -v pull -u