name: Builds

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master
  workflow_dispatch:

permissions:
  contents: read

jobs:
  build:
    name: Build (${{ matrix.target }})
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            target: x86_64-unknown-linux-gnu
            artifact_name: pacman
            toolchain: 1.86.0
          - os: macos-15-intel
            target: x86_64-apple-darwin
            artifact_name: pacman
            toolchain: 1.86.0
          - os: macos-15
            target: aarch64-apple-darwin
            artifact_name: pacman
            toolchain: 1.86.0
          - os: windows-latest
            target: x86_64-pc-windows-gnu
            artifact_name: pacman.exe
            toolchain: 1.86.0
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Rust Toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          target: ${{ matrix.target }}
          toolchain: ${{ matrix.toolchain }}

      - name: Rust Cache
        uses: Swatinem/rust-cache@v2

      - name: Get vcpkg baseline
        id: vcpkg_version
        shell: bash
        run: |
          VCPKG_REV=$(cargo metadata --format-version 1 --no-deps | jq -r '.packages[] | select(.name == "pacman") | .metadata.vcpkg.rev // "unknown"')
          echo "version=$VCPKG_REV" >> $GITHUB_OUTPUT
        working-directory: pacman

      - name: Cache vcpkg
        uses: actions/cache@v4
        with:
          path: |
            target/vcpkg
            ~/.cargo/bin/cargo-vcpkg
          key: vcpkg-${{ steps.vcpkg_version.outputs.version }}-${{ runner.os }}-${{ matrix.target }}
          restore-keys: |
            vcpkg-${{ steps.vcpkg_version.outputs.version }}-${{ runner.os }}-

      - name: Vcpkg Linux Dependencies
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y libltdl-dev

      - name: Setup vcpkg
        shell: bash
        run: |
          cargo install cargo-vcpkg
          cargo vcpkg -v build
          echo "VCPKG_ROOT=${{ github.workspace }}/target/vcpkg" >> $GITHUB_ENV
        working-directory: pacman

      - name: Build
        run: cargo build --release
        working-directory: pacman

      - name: Acquire Package Version
        id: get_version
        shell: bash # required to prevent Windows runners from failing
        run: |
          set -euo pipefail # exit on error
          echo "version=$(cargo metadata --format-version 1 --no-deps | jq '.packages[0].version' -r)" >> $GITHUB_OUTPUT
        working-directory: pacman

      - name: Upload Artifact
        uses: actions/upload-artifact@v5
        with:
          name: "pacman-${{ steps.get_version.outputs.version }}-${{ matrix.target }}"
          path: ./target/release/${{ matrix.artifact_name }}
          retention-days: 7
          if-no-files-found: error