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

version="${1:?usage: build.sh VERSION TAG}"
tag="${2:?usage: build.sh VERSION TAG}"
[[ "$tag" == "v$version" ]] || { echo "Tag/version mismatch: $tag vs $version" >&2; exit 1; }

sed -i -E "s/^pkgver=.*/pkgver=${version}/; s/^pkgrel=.*/pkgrel=1/" PKGBUILD

# makepkg must not run as root. In Gitea's Arch container the job normally runs
# as root, so build as an unprivileged account and keep the workspace writable.
if [[ "$(id -u)" -eq 0 ]]; then
  id builder >/dev/null 2>&1 || useradd --create-home --shell /bin/bash builder
  chown -R builder:builder "$PWD"
  runuser -u builder -- makepkg --syncdeps --cleanbuild --clean --noconfirm
  # Restore ownership so later workflow steps can commit .current-version as the runner user.
  chown -R "$(stat -c %u:%g .git 2>/dev/null || echo 0:0)" "$PWD" 2>/dev/null || chown -R root:root "$PWD"
else
  makepkg --syncdeps --cleanbuild --clean --noconfirm
fi

pkg="$(find . -maxdepth 1 -type f -name 'ratune-*.pkg.tar.zst' -print -quit)"
[[ -n "$pkg" ]] || { echo "No package was produced" >&2; exit 1; }
printf '%s\n' "$pkg" > .package-path
echo "Built package: $pkg"