#!/usr/bin/env bash
set -euo pipefail

# prep
dnf install git -y
workdir=$(mktemp -d)
built_dir=${COMPILED_DIR:-/compiled}/polycat
mkdir -p $built_dir
version_file=$built_dir/version
touch $version_file

# clone and check whether it's up-to-date
cd $workdir
git clone https://github.com/2IMT/polycat.git
cd ./polycat/
# check version
version=$(printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short=7 HEAD)")
if grep -q $version $version_file; then
    echo "already up to date, exiting"
    exit
fi
# get build deps
dnf install cmake g++ -y
# get submodules
git submodule update --init --depth 1


# compilation
cd $workdir/polycat/
cmake -DCMAKE_BUILD_TYPE=RELEASE .
cmake --build .

# build .tar.zst archive
cd $workdir
mkdir ./polycat-built
mv ./polycat/polycat ./polycat-built/
mv ./polycat/res/polycat.ttf ./polycat-built/
mkdir -p ${COMPILED_DIR:-/compiled}/polycat/
cd $workdir/polycat-built/
tar --zstd -cf $built_dir/polycat.tar.zst .
echo $version >$version_file

echo "polycat updated to $version"