# Maintainer: David Sutton <kantras - gmail.com>
# Contributor: Limao Luo
# Contributor: Luceo
# Contributor: Revellion
# Maintainer (Parabola): André Silva <emulatorman@parabola.nu>

pkgname=xen
pkgver=4.3.1
pkgrel=2
pkgdesc="Virtual Machine Hypervisor & Tools (Parabola rebranded)"
arch=(i686 x86_64)
url="http://www.xenproject.org/"
license=(GPL2)
depends=(bin86 bluez bridge-utils curl e2fsprogs gnutls iproute2 libaio libcap-ng libiscsi libjpeg-turbo libpng lzo2 nss pixman pciutils python python2 sdl wget vde2 yajl)
[[ "$CARCH" == "x86_64" ]] && depends+=(lib32-glibc)
makedepends=(cmake dev86 git iasl markdown ocaml-findlib)
optdepends=('xen-docs: Official Xen Documentation' 'openvswitch: Optional Networking support')
conflicts=(xen-4.2{,-testing-hg} xen-{gdbsx,hg-unstable,rc,git} xen-4.3{,-testing-hg})
backup=(etc/$pkgname/xend-{config,pci-{permissive,quirks}}.sxp etc/modules-load.d/$pkgname.conf etc/$pkgname/xl.conf etc/conf.d/xen{stored,consoled,domains} etc/default/xencommons etc/$pkgname/grub.conf)
options=(!buildflags !strip)
install=$pkgname.install
changelog=ChangeLog
source=(http://bits.xensource.com/oss-xen/release/$pkgver/$pkgname-$pkgver.tar.gz
    xen.install
    09_xen
    bios_workaround.patch
    xendomains.patch
    TOM-register.patch
    ati-passthrough.patch
    IVRS-debug.patch
    proc-xen.mount
    var-lib-xenstored.mount
    xenconsoled.service
    conf.d-xenconsoled
    xendomains.service
    xendomU@.service
    xenstored.service
    conf.d-xenstored
    tmpfiles.d-$pkgname.conf
    grub.conf
    xsa73-4.3-unstable.patch
    xsa75-4.3-unstable.patch
    xsa78.patch
    $pkgname.conf)
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prepare() {
    cd $pkgname-$pkgver/

    ### Patching
    patch -Np1 -i ../xendomains.patch
    patch -Np1 -i ../TOM-register.patch

    # Uncomment line below if you have a bios which is reporting bad IVRS data
    #patch -Np1 -i ../bios_workaround.patch
    #patch -Np1 -i ../IVRS-debug.patch

    # Uncomment line below if you want to enable ATI Passthrough support (some reported successes)
    #patch -Np1 -i ../ati-passthrough.patch

    # Add Security Patches
    patch -Np1 -i ../xsa73-4.3-unstable.patch
    patch -Np1 -i ../xsa75-4.3-unstable.patch
    patch -Np1 -i ../xsa78.patch

    # Fix Install Paths
    sed -i 's:/sbin:/bin:' config/StdGNU.mk

}

build() {
    export CFLAGS+='-Wall -Wstrict-prototypes -Wno-unused-local-typedefs -Wno-sizeof-pointer-memaccess'
    cd $pkgname-$pkgver/
    ./autogen.sh
    ./configure PYTHON=/usr/bin/python2 --prefix=/usr --localstatedir=/run
    unset CFLAGS
}

package() {
    cd $pkgname-$pkgver/

    make DESTDIR="$pkgdir" LANG=C PYTHON=python2 install-{xen,tools,stubdom}

    cd ../
    for f in ${source[@]}; do
        [[ $f =~ .mount || $f =~ .service ]] && install -Dm644 $f "$pkgdir"/usr/lib/systemd/system/$f
    done
    install -Dm644 tmpfiles.d-$pkgname.conf "$pkgdir"/usr/lib/tmpfiles.d/$pkgname.conf
    install -Dm644 $pkgname.conf "$pkgdir"/etc/modules-load.d/$pkgname.conf
    install -Dm644 conf.d-xenstored "$pkgdir"/etc/conf.d/xenstored
    install -Dm644 conf.d-xenconsoled "$pkgdir"/etc/conf.d/xenconsoled
    install -Dm644 grub.conf "$pkgdir"/etc/xen/grub.conf
    install -Dm755 09_xen "$pkgdir"/etc/grub.d/09_xen

    cd "$pkgdir"

    # Fix paths in scripts, move to right locations and create missing directories
    sed -i 's:/var/lock:/run/lock:' etc/init.d/xendomains
    sed -i 's:/var/lock:/run/lock:' etc/init.d/xend
    sed -i 's:/var/lock:/run/lock:' etc/xen/scripts/hotplugpath.sh
    sed -i 's:/var/run:/run:' etc/xen/scripts/hotplugpath.sh
    mv etc/{init,rc}.d
    mv etc/rc.d/xendomains etc/xen/scripts/xendomains
    mv etc/default/xendomains etc/conf.d/xendomains
    mv var/xen/dump var/lib/xen/
    mkdir var/log/xen/console

    # Sanitize library path (if lib64 exists)
    if [[ -d usr/lib64 ]]; then
        cd usr/
        cp -r lib64/* lib/
        rm -rf lib64
	cd ../
    fi

    # Compress and move syms file to a different directory
    if [ "$CARCH" == "x86_64" ]; then
      gzip boot/$pkgname-syms-$pkgver
      mv boot/$pkgname-syms-$pkgver.gz usr/share/xen
    fi

    ##### Kill unwanted stuff #####
    # hypervisor symlinks
    rm -f boot/xen{,-4,-4.3}.gz

    # Documentation cleanup ( see xen-docs package )
    rm -rf usr/share/doc
    rm -rf usr/share/xen/man

    # Pointless helper cleanup
    rm -f usr/bin/xen-python-path
    rm -rf usr/libexec

    # Unnecessary qemu support files
    rm -rf usr/bin/qemu-*-xen
    rm usr/share/qemu-xen/qemu/{palcode,openbios}-*
    rm usr/share/xen/qemu/openbios-*

    # Clean up udev rules naming, remove depreciated xend.rules
    mv etc/udev/rules.d/xen-backend.rules etc/udev/rules.d/40-xen-backend.rules
    rm etc/udev/rules.d/xend.rules

    # Clean up left over empty directories
    rm -rf var/run var/lock var/xen

    # adhere to Static Library Packaging Guidelines
    rm -rf usr/lib/*.a
}