updating cwfs and moving installer in /rc/bin

1 files changed, 115 insertions, 0 deletions

diff --git a/rc/bin/inst/main b/rc/bin/inst/main
new file mode 100755
index 000000000..25ac0d168
--- /dev/null
+++ b/rc/bin/inst/main
@@ -0,0 +1,115 @@
+#!/bin/rc
+
+. defs
+
+while()
+{
+div=--------------------------------------
+echo
+echo $div
+echo
+echo -n 'Preparing menu...'
+
+# must be topologically sorted (by prereq)
+tasks=(\
+	configfs\
+	partdisk prepdisk\
+	fmtfossil\
+	mountfs\
+	configdist\
+	confignet\
+	mountdist\
+	fmtventi\
+	download\
+	copydist\
+	bootsetup finish stop\
+	stopether stopppp\
+)
+#	startether startppp stopether stopppp download\
+
+# these don't show up in the menu but still matter
+pseudotasks=(configip havefiles etherup etherdown pppup pppdown)
+
+for(i in $tasks $pseudotasks)
+	$i=notdone
+
+coherence
+
+for(i in $tasks $pseudotasks)
+	if(~ $#$i 0)
+		$i=notdone
+
+#
+# we believe the environment about what is done
+# only if we've confirmed it.  since the tasks list is sorted so that
+# prereqs of xxx come before xxx, it's okay to assume xxx
+# is done until proven otherwise -- either a prereq or checkdone
+# will say so.
+#
+
+done=()
+ready=()
+rm /env/done
+rm /env/ready
+for(i in $tasks) {
+	$i=done
+	for(j in `{prereq $i})
+		if(! ~ $$j done)
+			$i=notdone
+	if(~ $$i done) {
+		export $i
+		$i checkdone
+		$i=`{grep '^'$i^'=' /tmp/vars | sed -n '$p' | sed 's/.*=//'}
+	}
+
+	if(~ $$i notdone ready) {
+		okay=yes
+		for(j in `{prereq $i}) 
+			if(! ~ $$j done)
+				okay=no
+		switch($okay){
+		case yes
+			$i=ready
+			export $i
+			$i checkready
+			$i=`{grep '^'$i^'=' /tmp/vars | sed -n '$p' | sed 's/.*=//'}
+		case no
+			$i=notdone
+		}
+	}
+
+	if(~ $$i done ready)
+		$$i=($$$i $i)		# rc can be just as complicated as perl!
+}
+
+export $tasks $pseudotasks done ready
+coherence
+echo
+
+if(! ~ $#done 0) {
+	echo 'The following tasks are done: '
+	for(i in $done)
+		desc $i
+	echo
+}
+
+echo 'The following unfinished tasks are ready to be done:'
+for(i in $ready)
+	desc $i
+echo
+
+if(~ $#ready 0) {
+	echo hey you finished everything!  not supposed to happen.
+	sleep 100
+	exit
+}
+
+prompt -d $ready(1) -w '' 'Task to do' $done $ready
+
+echo
+echo $div
+
+$rd go
+$rd=done		# if it's not, the check will figure that out
+export $rd
+}