#!/usr/bin/env sh

set -e

scriptDir=$(CDPATH='' cd -- "$(dirname -- "$0")" && pwd -P)
cd "$scriptDir"

releaseName="$1"
if [ -z "$releaseName" ]; then
    echo "USAGE: $0 \"0.1.2\" [build number]"
    exit 1
fi

buildNumber="$2"
if [ -z "$buildNumber" ]; then
    buildNumber="0"
fi

releasesDir="$(pwd)/releases"
mkdir -p "$releasesDir"
echo '*' > "$releasesDir"/.gitignore

out="$releasesDir/$releaseName-$buildNumber"
rm -rf "$out"

result=$(nix-build -v \
            --argstr releaseName "$releaseName" \
            --argstr buildNumber "$buildNumber" \
            --no-out-link \
            release.nix \
        )

cp -rL "$result" "$out"
chmod u+w -R "$out"

cd "$out"
gpg -a --detach-sign -o sha256.txt.gpg ./sha256.txt

echo "Release successfully created: $out"