#!/bin/rc
# sysupgrade - upgrade the whole system
# usage: sysupgrade

curdir=`{pwd}

# fetch available updates
echo '∷ Updating system sources…' && sysupdate

if(! test -d /lib/firmware/.git){
	echo '∷ Cloning wireless firmware repository…'
	cd /lib/firmware && git/clone gits://git.9front.org/plan9front/firmware .
}
if not{
	echo '∷ Checking for new wireless firmware…'
	cd /lib/firmware && git/pull
}
echo Sources updated.

# check with user
echo -n 'Would you like to continue and recompile? [y/N] '
switch(`{read}){
case [yY]*
	echo '∷ Beginning system upgrade…'
case *
	echo 'Exiting without recompiling…' && exit
}

# create any missing directories
echo '∷ Creating missing directories…' && cd / && . /sys/lib/rootstub

# build some components first
echo '∷ Building assembler(s) and linker(s)…'
for(i in (8a 8l 7a 7l 6a 6l 5a 5l 2a 2l 1a 1l ka kl qa ql va vl)){ cd /sys/src/cmd/^$i && mk install }

# nuke and rebuild
cd /sys/src
echo '∷ Building libraries…' && mk nuke
echo '∷ Building system…' && mk install && mk clean

# build manuals and docs
echo '∷ Building manpage indices…' && cd /sys/man && mk
echo '∷ Building documentation…' && cd /sys/doc && mk && mk html

# build and install new kernel
echo '∷ Building new kernel…' && cd /sys/src/9/pc64 && mk install
echo '∷ Installing bootloader and kernel…'
9fs 9fat
for(i in /n/9^('' fat)){
	rm $i/9bootfat
	cp /386/9bootfat $i/
	chmod +al $i/9bootfat
	cp $i/9pc64 $i/9pc64.bak
	cp /amd64/9pc64 $i/
	unmount $i
}

# sync and return
if(test -f /srv/cwfs.cmd)
	echo sync >>/srv/cwfs.cmd
if not
	echo sync >>/srv/hjfs.cmd
cd $curdir

# fin.
echo 'System upgrade complete.'