#!/bin/rc
# build script for advanced namespace tools/rootless boot kernel
# build clean, build patched, build tools, build extras, build bootpaq, build docs
# build ramfs / build

if(! test -e bootdir.extras){
	echo 'This build script must be run only from the base rootless directory'
	exit wrong.dir
}

if(~ `{pwd} /tmp*){
	echo 'The /tmp directory is used by the build process - cannot build here'
	exit wrong.dir
}

##	set up namespace so we keep everything we do contained

rfork ne
builddir=`{pwd}
if(! test -d compiletemp){
	echo 'mkdir compiletemp'	
	mkdir compiletemp
}
if(! test -d bootdir.extras/root/adm){
	echo 'creating bootdir.extras/root skeleton'
	cd bootdir.extras
	tar xf skel.tar
	cd $builddir
}
if(! test -d root/bin){
	echo 'creating root tools skeleton'
	tar xzf root.targz
}
bind -b $builddir/src.9.boot /sys/src/9/boot
bind -b $builddir/src.9.port /sys/src/9/port
bind -b $builddir/src.9.pc /sys/src/9/pc
bind -b $builddir/scripts /bin
bind $builddir /n/rootless
bind -bc $builddir/compiletemp /sys/src/9/pc

if(~ $1 worker){
	if(! ~ $user `{cat /dev/hostowner}){
		echo only hostowner can build a worker
		exit no.hostowner
	}
	echo WARNING FORMATS DRIVE SDC1
	sleep 10
	echo building worker sdC1
	disk/mbr -m /386/mbr /dev/sdC1/data
	disk/fdisk -baw /dev/sdC1/data
	disk/prep -bw -a^(9fat nvram) /dev/sdC1/plan9
	disk/format -b /386/pbslba -d -r 2 /dev/sdC1/9fat /386/9load $builddir/9pcram.gz $builddir/tools.tgz $builddir/cfg/plan9.ini
	dossrv -f /dev/sdC1/9fat c1fat
	mount -c /srv/c1fat /n/c1fat
	mkdir /n/c1fat/adm
	dircp $builddir/cfg/adm /n/c1fat/adm
	unmount /n/c1fat
	rm /srv/c1fat
	cp $builddir/cfg/nvram /dev/sdC1/nvram
	chmod 640 /dev/sdC1/nvram
	exit ''
}

if(~ $1 isoinstall){
	if(! ~ $user `{cat /dev/hostowner}){
		echo only hostowner can build isoinstall
		exit no.hostowner
	}
	echo WARNING changes your plan9.ini
	echo use build everything to build with no system changes
	sleep 5
	echo installing hubfs and grio and scripts
	cd hubfs1.1
	mk install
	cd $builddir
	cd grio
	mk install
	cd $builddir
	cp scripts/* /rc/bin
	cp bootdir.extras/namespace.saveterm /lib/namespace.saveterm
	echo installing 9pcram kernel and tools.tgz and plan9.ini
	9fat:
	kernel=9pcram.gz
	if(test -e compiletemp/9pcram.gz)
		kernel=compiletemp/9pcram.gz
	cp $kernel /n/9fat/9pcram.gz
	cp tools.tgz /n/9fat/tools.tgz
	mv /n/9fat/plan9.ini /n/9fat/p9ini.old
	cp doc/PLAN9.INI /n/9fat/plan9.ini
	echo installing manpages 
	cp doc/man.cpns /sys/man/1/cpns
	cp doc/man.rerootwin /sys/man/1/rerootwin
	cp doc/man.addwrroot /sys/man/1/addwrroot
	cp doc/man.ventiprog /sys/man/8/ventiprog
	cp doc/man.plan9rc /sys/man/8/plan9rc
	cp doc/antspaper.ms /sys/doc/ants.ms
	cp doc/ants.ps /sys/doc/ants.ps
	mv /sys/man/3/proc /sys/man/3/oldproc
	mv /sys/man/8/boot /sys/man/8/oldboot
	cp doc/modified.manpages/proc.man /sys/man/3/proc
	cp doc/modified.manpages/boot.man /sys/man/8/boot
	echo install complete
	exit ''
}

if(~ $1 docs){
	echo building docs
	cp hubfs1.1/hubfs.man doc/man.hubfs
	cd doc
	cp man.cpns $builddir/sys/man/1/cpns
	cp man.rerootwin $builddir/sys/man/1/rerootwin
	cp man.addwrroot $builddir/sys/man/1/addwrroot
	cp man.ventiprog $builddir/sys/man/8/ventiprog
	cp man.plan9rc $builddir/sys/man/8/plan9rc
	cp man.hubfs $builddir/sys/man/4/hubfs
	cp modified.manpages/proc.man $builddir/sys/man/3/proc
	cp modified.manpages/boot.man $builddir/sys/man/8/boot
	troff -ms antspaper.ms | dpost >ants.ps
	cd $builddir
	exit ''
}

if(~ $1 everything){
	echo building everything
	build clean
	build patched
	build tools
	build extras
	build bootpaq
	build
	exit ''
}

if(~ $1 clean){
	echo building mk clean
	cd /sys/src/9/pc
	mk clean
	cd $builddir
	cd grio
	mk clean
	cd $builddir
	cd hubfs1.1
	mk clean
	cd $builddir
	rm root/bin/* >/dev/null >[2=1]
	rm bootdir.extras/bootpaq >/dev/null >[2=1]
	exit ''
}

if(~ $1 patched){
	echo building patched
	ramfs
	mkdir /tmp/rc
	mkdir /tmp/factotum
	dircp /sys/src/cmd/rc /tmp/rc
	dircp /sys/src/cmd/auth/factotum /tmp/factotum
	cp patched/rc.plan9.c /tmp/rc/plan9.c
	cp patched/factotumdat.h /tmp/factotum/dat.h
	cp patched/factotumfs.c /tmp/factotum/fs.c
	cp patched/factotumutil.c /tmp/factotum/util.c
	cd /tmp/rc
	mk
	cp 8.out $builddir/bootdir.extras/rc
	cd /tmp/factotum
	mk 8.factotum
	cp 8.factotum $builddir/bootdir.extras/factotum
	cd $builddir
	strip bootdir.extras/rc >/dev/null >[2=1]
	strip bootdir.extras/factotum >/dev/null >[2=1]
	rm -rf /tmp/rc
	rm -rf /tmp/factotum
	exit ''
}	

if(~ $1 extras){
	echo building extras
	cd grio
	mk clean
	mk
	cp 8.out ../bootdir.extras/grio
	cd ../hubfs1.1
	mk clean
	mk all
	cp 8.hubfs ../bootdir.extras/hubfs
	cp 8.hubshell ../bootdir.extras/hubshell
	cp hub ../bootdir.extras
	cd $builddir
	strip bootdir.extras/grio >/dev/null >[2=1]
	strip bootdir.extras/hubfs >/dev/null >[2=1]
	strip bootdir.extras/hubshell >/dev/null >[2=1]
	exit ''
}

if(~ $1 bootpaq){
	echo building bootpaq
	cp scripts/* bootdir.extras/root/bin
	cd bootdir.extras
	rm skel.tar
	tar cf skel.tar root
	cd $builddir
	rm root/bin/* >/dev/null >[2=1]
	cp root/lib/_mkpaq root/bin
	cd root/bin
	. _mkpaq
	cd $builddir
	strip root/bin/* >/dev/null >[2=1]
	mkpaqfs -b 8192 -o bootdir.extras/bootpaq root/bin
	sha1sum bootdir.extras/bootpaq >>build.hashes
	exit ''
}

if(~ $1 tools){
	echo building tools
	rm root/bin/* >/dev/null >[2=1]
	tar czf root.targz root
	cp root/lib/_toolcopy root/bin
	cd root/bin
	. _toolcopy
	cd $builddir
	strip root/bin/* >/dev/null >[2=1]
	ramfs -m /tmp
	tar cf /tmp/tools.tar root
	gzip -9 -c /tmp/tools.tar >tools.tgz
	rm /tmp/tools.tar
	cd $builddir
	sha1sum tools.tgz >>build.hashes
	exit ''
}

echo building kernel
rm root/bin/* >/dev/null >[2=1]
cp /bin/paqfs root/bin
cp /bin/usb/usbd root/bin
cp /bin/disk/partfs root/bin
cp /bin/bind root/bin
cp /bin/mount root/bin
cp /bin/read root/bin
cp /bin/cat root/bin
cp /bin/echo root/bin
cp /bin/test root/bin
strip root/bin/* >/dev/null >[2=1]
if(~ $1 ramfs){
	echo building kernel in tmp
	ramfs -m /tmp
	bind -bc /tmp /sys/src/9/pc
}
cd /sys/src/9/pc
mk 'CONF=pcram'
gzip -9 -c 9pcram > $builddir/compiletemp/9pcram.gz
cd $builddir
sha1sum compiletemp/9pcram.gz >>build.hashes
exit ''