ref: 2aff96f17c4127617a48f75032c13e19cd3eb4a9
dir: /rc/bin/sysupdate/
#!/bin/rc
rfork en
source=https://code.9front.org/hg/plan9front
cd /
if(! test -d .hg)
bind -ac /dist/plan9front /
while(! ~ $#* 0){
switch($1){
case -i
hg incoming $source
case *
echo usage: sysupdate '[-i]' >[1=2]
exit usage
}
shift
}
hg -v pull -u $source