do-unikraft-bincompat

#!/bin/bash

top=unikraft-bincompat
libs="$top"/libs
apps="$top"/apps
uk="$top"/unikraft
app="$apps"/app-elfloader

setup()
{
    mkdir -p "$top"
    mkdir -p "$libs"
    mkdir -p "$apps"

    git clone https://github.com/unikraft/unikraft "$uk"

    pushd "$uk" > /dev/null
    git remote add razvand-bincompat https://github.com/razvand/unikraft-bincompat
    git fetch razvand-bincompat
    git checkout -b bin-compat razvand-bincompat/bin-compat
    popd > /dev/null

    git clone https://github.com/unikraft/app-elfloader "$app"

    pushd "$app" > /dev/null
    git checkout -b lyon-hackathon origin/lyon-hackathon
    popd > /dev/null

    git clone https://github.com/unikraft/lib-libelf "$libs"/libelf
    git clone https://github.com/unikraft/lib-zydis "$libs"/zydis
    git clone https://github.com/unikraft/lib-lwip "$libs"/lwip

    pushd "$libs"/lwip > /dev/null
    git remote add razvand https://github.com/razvand/lib-lwip
    git fetch razvand
    git checkout -b lyon-hackathon razvand/lyon-hackathon
    popd > /dev/null

    git clone https://github.com/unikraft/run-app-elfloader "$apps"/run-app-elfloader
    git clone https://github.com/unikraft/static-pie-apps "$apps"/static-pie-apps
}

build()
{
    pushd "$app" > /dev/null
    cp config/config .config
    make -j $(nproc)
    popd > /dev/null
}

build_debug()
{
    pushd "$app" > /dev/null
    cp config/config_debug .config
    make -j $(nproc)
    popd > /dev/null
}

clean()
{
    pushd "$app" > /dev/null
    export UK_WORKDIR=$(pwd)/../../
    make distclean
    popd > /dev/null
}

remove()
{
    rm -fr "$top"
}

_setup_networking()
{
    sudo ip link set dev virbr0 down
    sudo ip link del dev virbr0
    sudo ip link add virbr0 type bridge
    sudo ip address add 172.44.0.1/24 dev virbr0
    sudo ip link set dev virbr0 up
}

run_helloworld()
{
    pushd "$apps"/run-app-elfloader > /dev/null
    ./run_elfloader ../static-pie-apps/lang/c/helloworld
    popd > /dev/null
}

run_helloworld_build()
{
    pushd "$apps"/run-app-elfloader > /dev/null
    ./run_elfloader -k ../app-elfloader/build/app-elfloader_kvm-x86_64 ../static-pie-apps/lang/c/helloworld
    popd > /dev/null
}

run_helloworld_build_debug()
{
    pushd "$apps"/run-app-elfloader > /dev/null
    ./run_elfloader -k ../app-elfloader/build/app-elfloader_kvm-x86_64.dbg ../static-pie-apps/lang/c/helloworld
    popd > /dev/null
}

if test $# -ne 1; then
    echo "Usage: $0 <command>" 1>&2
    echo "  command: setup build build_debug clean run run_build run_build_debug remove" 1>&2
    exit 1
fi

command="$1"

case "$command" in

    "setup")
        setup
        ;;

    "build")
        build
        ;;

    "build_debug")
        build_debug
        ;;

    "clean")
        clean
        ;;

    "run")
        run_helloworld
        ;;

    "run_build")
        run_helloworld_build_debug
        ;;

    "run_build_debug")
        run_helloworld_build_debug
        ;;

    "remove")
        remove
        ;;

    *)
        echo "Unknown command"
        exit 1
esac