ref: 9ab87f6241ef1b3bb6b179b109b016a383eed6a8
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