#! /bin/bash

set -e

VERSION="24.3.0"

source ./pika-build-config.sh

echo "$PIKA_BUILD_ARCH" > pika-build-arch

if [[ "$PIKA_BUILD_ARCH" == "i386" ]]
then
    wget http://ftp.us.debian.org/debian/pool/main/s/spirv-llvm-translator-19/libllvmspirvlib19.1_19.1.0-1_i386.deb -O ./32bit-spirv.deb
    wget http://ftp.us.debian.org/debian/pool/main/s/spirv-llvm-translator-19/libllvmspirvlib-19-dev_19.1.0-1_i386.deb -O ./32bit-spirv-dev.deb
    apt install -y ./32bit-spirv-dev.deb ./32bit-spirv.deb
fi

if [[ "$PIKA_BUILD_ARCH" == "amd64" ]]
then
    wget http://ftp.us.debian.org/debian/pool/main/s/spirv-llvm-translator-19/libllvmspirvlib19.1_19.1.0-1_amd64.deb -O ./64bit-spirv.deb
    wget http://ftp.us.debian.org/debian/pool/main/s/spirv-llvm-translator-19/libllvmspirvlib-19-dev_19.1.0-1_amd64.deb -O ./64bit-spirv-dev.deb
    apt install -y ./64bit-spirv-dev.deb ./64bit-spirv.deb
fi

# Clone Upstream
git clone https://gitlab.freedesktop.org/mesa/mesa -b mesa-"$VERSION"
cp -rvf ./debian ./mesa/
cd ./mesa
for i in $(cat ../patches/series) ; do echo "Applying Patch: $i" && patch -Np1 -i ../patches/$i || bash -c "echo "Applying Patch $i Failed!" && exit 2"; done
sed -i ' 1 s/.*/& - PikaOS YellowBirb Mesa Stable/' ./VERSION

# Get build deps
apt-get build-dep ./ -y

# Build package
LOGNAME=root dh_make --createorig -y -l -p mesa_"$VERSION" || echo "dh-make: Ignoring Last Error"
dpkg-buildpackage --no-sign

# Move the debs to output
cd ../
mkdir -p ./output
mv ./*.deb ./output/