# Maintainer: Jack Chen <redchenjs@live.com>

pkgname=anbox-image-houdini
pkgver=2018.07.19
pkgrel=1
pkgdesc="Android image for running in Anbox with houdini"
arch=('x86_64')
url="https://anbox.io/"
license=('custom')
depends=(
    'sed'
    'squashfs-tools'
)
provides=(
    'anbox-image'
)
conflicts=(
    'anbox-image'
)
source=(
    "http://build.anbox.io/android-images/${pkgver//./\/}/android_amd64.img"
    "houdini_y.sfs::http://dl.android-x86.org/houdini/7_y/houdini.sfs"
    "houdini_z.sfs::http://dl.android-x86.org/houdini/7_z/houdini.sfs"
)
sha256sums=(
    '6b04cd33d157814deaf92dccf8a23da4dc00b05ca6ce982a03830381896a8cca'
    '56fd08c448840578386a71819c07139122f0af39f011059ce728ea0f3c60b665'
    '7eedc42015e6fb84a11a406a099241efccc20d4e020d476335a5fdb6e69a33d2'
)

build () {
    cd "${srcdir}"

    # unpack anbox image
    mkdir -p squashfs-root
    rm -rf ./squashfs-root/*
    unsquashfs -f -d ./squashfs-root ./android_amd64.img

    # load houdini_y
    mkdir -p houdini_y
    rm -rf ./houdini_y/*
    unsquashfs -f -d ./houdini_y ./houdini_y.sfs

    mkdir -p ./squashfs-root/system/lib/arm
    cp -r ./houdini_y/* ./squashfs-root/system/lib/arm
    mv ./squashfs-root/system/lib/arm/libhoudini.so ./squashfs-root/system/lib/libhoudini.so

    # load houdini_z
    mkdir -p houdini_z
    rm -rf ./houdini_z/*
    unsquashfs -f -d ./houdini_z ./houdini_z.sfs

    mkdir -p ./squashfs-root/system/lib64/arm64
    cp -r ./houdini_z/* ./squashfs-root/system/lib64/arm64
    mv ./squashfs-root/system/lib64/arm64/libhoudini.so ./squashfs-root/system/lib64/libhoudini.so

    # add houdini parser
    mkdir -p ./squashfs-root/system/etc/binfmt_misc
    echo ':arm_exe:M::\x7f\x45\x4c\x46\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28::/system/lib/arm/houdini:P' >> ./squashfs-root/system/etc/binfmt_misc/arm_exe
    echo ':arm_dyn:M::\x7f\x45\x4c\x46\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x28::/system/lib/arm/houdini:P' >> ./squashfs-root/system/etc/binfmt_misc/arm_dyn
    echo ':arm64_exe:M::\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7::/system/lib64/arm64/houdini64:P' >> ./squashfs-root/system/etc/binfmt_misc/arm64_exe
    echo ':arm64_dyn:M::\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\xb7::/system/lib64/arm64/houdini64:P' >> ./squashfs-root/system/etc/binfmt_misc/arm64_dyn

    # add features
    sed -i "/<\/permissions>/d" ./squashfs-root/system/etc/permissions/anbox.xml
    sed -i "/<unavailable-feature name=\"android.hardware.wifi\" \/>/d" ./squashfs-root/system/etc/permissions/anbox.xml
    sed -i "/<unavailable-feature name=\"android.hardware.bluetooth\" \/>/d" ./squashfs-root/system/etc/permissions/anbox.xml

    echo '    <feature name="android.hardware.touchscreen" />
    <feature name="android.hardware.audio.output" />
    <feature name="android.hardware.camera" />
    <feature name="android.hardware.camera.any" />
    <feature name="android.hardware.location" />
    <feature name="android.hardware.location.gps" />
    <feature name="android.hardware.location.network" />
    <feature name="android.hardware.microphone" />
    <feature name="android.hardware.screen.portrait" />
    <feature name="android.hardware.screen.landscape" />
    <feature name="android.hardware.wifi" />
    <feature name="android.hardware.bluetooth" />' >> ./squashfs-root/system/etc/permissions/anbox.xml
    echo '</permissions>' >> ./squashfs-root/system/etc/permissions/anbox.xml

    # set processors
    sed -i "/^ro.product.cpu.abilist=x86_64,x86/ s/$/,arm64-v8a,armeabi-v7a,armeabi/" ./squashfs-root/system/build.prop
    sed -i "/^ro.product.cpu.abilist32=x86/ s/$/,armeabi-v7a,armeabi/" ./squashfs-root/system/build.prop
    sed -i "/^ro.product.cpu.abilist64=x86_64/ s/$/,arm64-v8a/" ./squashfs-root/system/build.prop

    # enable nativebridge
    echo "persist.sys.nativebridge=1" >> ./squashfs-root/system/build.prop
    sed -i 's/ro.dalvik.vm.native.bridge=0/ro.dalvik.vm.native.bridge=libhoudini.so/' ./squashfs-root/default.prop

    # enable opengles
    echo "ro.opengles.version=131072" >> ./squashfs-root/system/build.prop
}

package() {
    cd "${srcdir}"

    # repack image
    mksquashfs ./squashfs-root ./android.img -noappend -b 131072 -comp xz -Xbcj x86

    install -Dm 644 ./android.img "${pkgdir}"/var/lib/anbox/android.img
}