code: plan9front

ref: dd86214d77a4abf9ac160c2c63ae1bb448a5ba2d
dir: /rc/bin/sysupdate/

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#!/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