#!/bin/rc

rfork e

if(! ~ $#* 0){
	echo 'usage: patch/pull' >[1=2]
	exit usage
}
. /rc/bin/patch/defs
mountfs

test -e $SD/dist/patch/applied || fail no nix patches
test -e /n/dist/386 || bind  /root /n/dist || fail no dist

patches=`{cat $SD/dist/patch/applied}

for(p in $patches){
	if(! grep -s '^'^$p^'$' /n/dist/dist/patch/applied>[2]/dev/null){
		if(test -d $PD/$p){
			echo patch/apply $p
			patch/apply $p || fail apply failed
			patch/applied $p
		}
		if not {
			echo patch $p no longer exists. ignored. >[1=2]
		}
	}
}
if(test -x /bin/up){
	if(! up -s $SD/rc/bin/patch /rc/bin/patch){
		echo there is a new version of the patch tools. >[1=2]
		echo run this to update them:	>[1=2]
		up $SD/rc/bin/patch /rc/bin/patch	>[1=2]
		exit ''
	}
}
echo up to date >[1=2]
exit ''