#!/bin/bash

set -euo pipefail

set -x

sdk_version=3.1.105

arch=$(uname -m)
if [[ $arch == "x86_64" ]]; then
    arch=x64
elif [[ $arch == "aarch64" ]]; then
    arch=arm64
fi

if rpm -qa | grep libunwind; then
    echo "error: libunwind is installed. Not a good idea for bootstrapping."
    exit 1
fi
if rpm -qa | grep dotnet ; then
    echo "error: dotnet is installed. Not a good idea for bootstrapping."
    exit 1
fi
if [ -d /usr/lib/dotnet ] || [ -d /usr/lib64/dotnet ] || [ -d /usr/share/dotnet ] ; then
    echo "error: one of /usr/lib/dotnet /usr/lib64/dotnet or /usr/share/dotnet/ exists. Not a good idea for bootstrapping."
    exit 1
fi
if command -v dotnet ; then
    echo "error: dotnet is in $PATH. Not a good idea for bootstrapping."
    exit 1
fi

if [ ! -d dotnet-source-build-tarball ]; then
    if [ ! -d source-build ]; then
        git clone https://github.com/dotnet/source-build
    fi
    pushd source-build
    sed -i -e 's|cmakeargs -DCLR_CMAKE_USE_SYSTEM_LIBUNWIND=TRUE||' repos/coreclr.common.props
    git clean -xdf
    ./build-source-tarball.sh ../dotnet-source-build-tarball/ -- -p:DownloadSourceBuildReferencePackagesTimeoutSeconds=100000
    popd
fi

rm -rf dotnet-v${sdk_version}-SDK dotnet-v${sdk_version}-SDK.tar.gz

cp -a dotnet-source-build-tarball dotnet-v${sdk_version}-SDK
cp -a source-build/artifacts/$arch/Release/Private.SourceBuilt.Artifacts.*.tar.gz dotnet-v${sdk_version}-SDK/packages/archive/Private.SourceBuilt.Artifacts.*.tar.gz

tar czf dotnet-v${sdk_version}-SDK-$arch.tar.gz dotnet-v${sdk_version}-SDK