# Maintainer: Sam Mulvey (Refutationalist) <archlinux@sammulvey.com>
# Contributor: Filipe Laíns (FFY00) <lains@archlinux.org>

# Build Options
_build_stubdom=${build_stubdom:-true}

# Check http://xenbits.xen.org/xen-extfiles/ for updates
_gmp=4.3.2
_grub=0.97
_ipxe=1dd56dbd11082fb622c2ed21cfaced4f47d798a6
_lwip=1.3.0
_newlib=1.16.0
_pciutils=2.2.9
_polarssl=1.1.4
_tpm_emulator=0.7.4
_zlib=1.2.3

pkgbase=xen
pkgname=("xen" "xen-docs")
pkgver=4.13.1
pkgrel=4
pkgdesc='Open-source type-1 or baremetal hypervisor'
arch=('x86_64')
url='https://xenproject.org/'
license=('GPL2')

makedepends=('zlib' 'python' 'ncurses' 'openssl' 'libx11' 'libuuid.so' 'yajl' 'libaio' 'glib2' 'pkgconf'
         'bridge-utils' 'iproute2' 'inetutils' 'acpica' 'lib32-glibc' 'gnutls'
		 'vde2' 'lzo' 'pciutils' 'sdl') # last line from namcap, these depends are the xen depends
makedepends+=('wget' 'pandoc' 'valgrind' 'git' 'bin86' 'dev86' 'bison' 'gettext' 'flex' 'pixman' 'ocaml')

options=(!buildflags)
_source=("https://downloads.xenproject.org/release/xen/$pkgver/$pkgname-$pkgver.tar.gz"{,.sig}
		"http://xenbits.xen.org/xen-extfiles/ipxe-git-$_ipxe.tar.gz"
		"https://src.fedoraproject.org/rpms/xen/raw/master/f/xen.gcc10.fixes.patch"
		"https://src.fedoraproject.org/rpms/xen/raw/master/f/xen.ocaml.4.10.patch"
		"xen_gcc10_1_omnibus.patch"
		"grub-mkconfig-helper"
		"efi-xen.cfg"
		"grub.conf"
		"xen.conf"
		"tmpfiles.conf"
		"xen-ucode-extract.sh"
		"xen-intel-ucode.hook"
		"xen-amd-ucode.hook")

_stubdom_source=("http://xenbits.xen.org/xen-extfiles/gmp-$_gmp.tar.bz2"
				"http://xenbits.xen.org/xen-extfiles/grub-$_grub.tar.gz"
				"http://xenbits.xen.org/xen-extfiles/lwip-$_lwip.tar.gz"
				"http://xenbits.xen.org/xen-extfiles/newlib-$_newlib.tar.gz"
				"http://xenbits.xen.org/xen-extfiles/pciutils-$_pciutils.tar.bz2"
				"http://xenbits.xen.org/xen-extfiles/polarssl-$_polarssl-gpl.tgz"
				"http://xenbits.xen.org/xen-extfiles/tpm_emulator-$_tpm_emulator.tar.gz"
				"http://xenbits.xen.org/xen-extfiles/zlib-$_zlib.tar.gz")

noextract=("ipxe-git-$_ipxe.tar.gz")


if [ "${_build_stubdom}" == "true" ]; then
	source=("${_source[@]}" "${_stubdom_source[@]}")

	for file in "${_stubdom_source[@]}"; do
		noextract+=( $(basename ${file}) )
	done

	_config_stubdom='--enable-stubdom'
else
	_config_stubdom='--disable-stubdom'
fi


sha512sums=('b56d20704155d98d803496cba83eb928e0f986a750831cd5600fc88d0ae772fe1456571654375054043d2da8daca255cc98385ebf08b1b1a75ecf7f4b7a0ee90'
            'SKIP'
            '8120696ba6d79fd9189664deed9b0489825d8d1edf7b931023b3979b7b9f82248e5b808c4517036cd40a85442ddf51a8dcad3b05d7f3c3cc6650654d53da4050'
            'a93b8f33a38af4434fb1fa0e1e24d6374105f7c6088fc011eccdd5d5576ad78152bf27b675ef37471bd6b45468f75499c08e0bb937ee880557acba3edec98a07'
            'abacb29fde9b583648651a076cc8697538dea51d7fcc8c2160e951548e7022a0c83c89ddac3d1b3e46e05cb265e8fe14c0d9248d055e914909232180b42b194f'
            'eac4aaaaee05b8c0de88a78ba45329c4344b42c8d34651a6f7e99a7c7f16bfb9933a26fffbc5fb5d22e8561d07dfc13fe591aacb5f9a1d49aa725b253aad03ec'
            '1e95d8767bb0d4df6d95ac1f29e7fa7a74b4483f8bb46efcf95e08ddc9481d17c8e315f095e8d5ebf6e319811099e083566acc45aa3803aa4de4e8d17af04180'
            '1bbcbcd9fb8344a207409ec9f0064a45b726416f043f902ca587f5e4fa58497a759be4ffd584fa32318e960aa478864cc05ec026c444e8d27ca8e3248bd67420'
            '72b58aa4e2d0ba1242d789000f9a9df0969461b5eca119f92a9d5980e4340b6b2f502aac42b62bb85c9f580067e6120b79e6a30f961e7aa88394738a3ba2cc4c'
            'ccaa2ff82e4203b11e5dec9aeccac2e165721d8067e0094603ecaa7a70b78c9eb9e2287a32687883d26b6ceae6f8d2ad7636ddf949eb658637b3ceaa6999711b'
            '53ba61587cc2e84044e935531ed161e22c36d9e90b43cab7b8e63bcc531deeefacca301b5dff39ce89210f06f1d1e4f4f5cf49d658ed5d9038c707e3c95c66ef'
            'a9230ec6ef9636ac3f3e4b72b1747ee8c4648a8bf4bd8dc3650365e34f1f67474429dbdd24996907d277b0ff5f235574643e781cb3ff37da954e899ddadbe0d6'
            '7a832de9b35f4b77ee80d33310b23886f4d48d1d42c3d6ef6f8e2b428bec7332a285336864b61cfa01d9a14c2023674015beb7527bd5849b069f2be88e6500cd'
            '99921b94a29fa7988c7fb5c17da8e598e777c972d6cae8c8643c991e5ff911a25525345ea8913945313d5c49fecf9da8cc3b83d47ab03928341e917b304370a9'
            '2e0b0fd23e6f10742a5517981e5171c6e88b0a93c83da701b296f5c0861d72c19782daab589a7eac3f9032152a0fc7eff7f5362db8fccc4859564a9aa82329cf'
            'c2bc9ffc8583aeae71cee9ddcc4418969768d4e3764d47307da54f93981c0109fb07d84b061b3a3628bd00ba4d14a54742bc04848110eb3ae8ca25dbfbaabadb'
            '1465b58279af1647f909450e394fe002ca165f0ff4a0254bfa9fe0e64316f50facdde2729d79a4e632565b4500cf4d6c74192ac0dd3bc9fe09129bbd67ba089d'
            '40eb96bbc6736a16b6399e0cdb73e853d0d90b685c967e77899183446664d64570277a633fdafdefc351b46ce210a99115769a1d9f47ac749d7e82837d4d1ac3'
            '2b3d98d027e46d8c08037366dde6f0781ca03c610ef2b380984639e4ef39899ed8d8b8e4cd9c9dc54df101279b95879bd66bfd4d04ad07fef41e847ea7ae32b5'
            '88da614e4d3f4409c4fd3bb3e44c7587ba051e3fed4e33d526069a67e8180212e1ea22da984656f50e290049f60ddca65383e5983c0f8884f648d71f698303ad'
            '4928b5b82f57645be9408362706ff2c4d9baa635b21b0d41b1c82930e8c60a759b1ea4fa74d7e6c7cae1b7692d006aa5cb72df0c3b88bf049779aa2b566f9d35'
            '021b958fcd0d346c4ba761bcf0cc40f3522de6186cf5a0a6ea34a70504ce9622b1c2626fce40675bc8282cf5f5ade18473656abc38050f72f5d6480507a2106e')


validpgpkeys=('23E3222C145F4475FA8060A783FE14C957E82BD9') # Xen.org Xen tree code signing (signatures on the xen hypervisor and tools) <pgp@xen.org>


# TODO: Setup users, dirs, etc.

prepare() {
	cd "${pkgbase}-${pkgver}"

	patch -p1 < ../xen.gcc10.fixes.patch
	patch -p1 < ../xen.ocaml.4.10.patch
	patch -p1 < ../xen_gcc10_1_omnibus.patch

	if [ "${_build_stubdom}" == "true" ]; then

		for file in "${_stubdom_source[@]}"; do
			cp ../$(basename ${file}) stubdom/
		done

	fi

	cp ../ipxe-git-$_ipxe.tar.gz tools/firmware/etherboot/ipxe.tar.gz

	# Fix Install Paths.
	sed 's,/var/run,/run,g' -i tools/hotplug/Linux/locking.sh
	sed 's,/var/run,/run,g' -i tools/misc/xenpvnetboot
	sed 's,/var/run,/run,g' -i tools/xenmon/xenbaked.c
	sed 's,/var/run,/run,g' -i tools/xenmon/xenmon.py
	sed 's,/var/run,/run,g' -i tools/pygrub/src/pygrub
}

build() {
	cd "${pkgbase}-${pkgver}"


	./configure \
		--prefix=/usr \
		--sbindir=/usr/bin \
		--libdir=/usr/lib \
		--with-rundir=/run \
		--enable-systemd \
		--disable-qemu-traditional \
		${_config_stubdom} \
		--with-sysconfig-leaf-dir=conf.d \
		--with-system-ovmf=/usr/share/ovmf/x64/OVMF.fd \
		--with-system-qemu=/usr/bin/qemu-system-x86_64 \
		--with-system-seabios=/usr/share/qemu/bios-256k.bin

	make XEN_VENDORVERSION=arch
}

package_xen() {
	pkgdesc='Open-source type-1 or baremetal hypervisor'

	depends=('zlib' 'python' 'ncurses' 'openssl' 'libx11' 'libuuid.so' 'yajl' 'libaio' 'glib2' 'pkgconf'
         	 'bridge-utils' 'iproute2' 'inetutils' 'acpica' 'lib32-glibc' 'gnutls'
		 	 'vde2' 'lzo' 'pciutils' 'sdl') 

	optdepends=('ed2k-ovmf: UEFI support'
            	'seabios: SeaBIOS payload support'
				'xen-docs: HTML documentation and man pages')

	install="xen.install"


	backup=("etc/conf.d/xencommons"
			"etc/conf.d/xendomains"
			"etc/xen/efi-xen.cfg"
			"etc/xen/cpupool"
			"etc/xen/grub.conf"
			"etc/xen/xl.conf"
	)


	cd "${pkgbase}-${pkgver}"


	make DESTDIR="$pkgdir" install

	mv "$pkgdir"/usr/lib64/efi "$pkgdir"/usr/lib/efi
	rm -rf "$pkgdir"{/var/run,/usr/lib64}
	#  This feels like The Arch Way, really.
	find "${pkgdir}/usr/lib/efi" -type l -delete
	mv "${pkgdir}/usr/lib/efi/xen-${pkgver}.efi" "${pkgdir}/usr/lib/efi/xen.efi"


	[ -d "$pkgdir"/etc/xen/scripts ] && backup+=($(find "$pkgdir"/etc/xen/scripts/ -type f | sed "s|^$pkgdir/||g"))

	mkdir -p "${pkgdir}/var/log/xen/console"

	# Remove hypervisor symlinks.
	find "${pkgdir}/boot" -type l -delete
	# Continued: This feels like The Arch Way, really.
	mv "${pkgdir}/boot/xen-${pkgver}.gz" "${pkgdir}/boot/xen.gz"

	# Remove syms.
	find "${pkgdir}/usr/lib/debug" -type f \( -name '*-syms*' -or -name '*\.map' \) -delete
	rmdir "${pkgdir}/usr/lib/debug/usr/lib/xen/boot"
	rmdir "${pkgdir}/usr/lib/debug/usr/lib/xen"
	rmdir "${pkgdir}/usr/lib/debug/usr/lib"
	rmdir "${pkgdir}/usr/lib/debug/usr"
	rmdir "${pkgdir}/usr/lib/debug"

	# Remove SysVinit files.
	rm -r "${pkgdir}/etc/init.d"

	# Install files for Arch Linux.
	install -D -m 0644 "${srcdir}/grub.conf" "${pkgdir}/etc/xen/grub.conf"
	install -D -m 0755 "${srcdir}/grub-mkconfig-helper" "${pkgdir}/etc/grub.d/09_xen"
	install -D -m 0644 "${srcdir}/efi-xen.cfg" "${pkgdir}/etc/xen/efi-xen.cfg"
	install -D -m 0644 "${srcdir}/xen.conf" "${pkgdir}/usr/lib/modules-load.d/xen.conf"
	install -D -m 0644 "${srcdir}/tmpfiles.conf" "${pkgdir}/usr/lib/tmpfiles.d/${pkgbase}.conf"

	# microcode hooks
	mkdir -p "${pkgdir}/usr/share/libalpm/scripts" "${pkgdir}/usr/share/libalpm/hooks"
	install -m755 "${srcdir}/xen-ucode-extract.sh" "${pkgdir}/usr/share/libalpm/scripts"
	install -m644 "${srcdir}/xen-intel-ucode.hook" "${pkgdir}/usr/share/libalpm/hooks"
	install -m644 "${srcdir}/xen-amd-ucode.hook"   "${pkgdir}/usr/share/libalpm/hooks"

	# Remove documentation (included in separate xen-docs package).
	rm -r "${pkgdir}/usr/share/doc"
	rm -r "${pkgdir}/usr/share/man"

}

package_xen-docs() {
	pkgdesc="Xen hypervisor documentation and man pages"
	arch=("any")
	cd "${pkgbase}-${pkgver}"
	make DESTDIR="${pkgdir}" install-docs
}