name: deploy

on:
  push:
    tags:
      - v*.*.*

concurrency:
  # If we ever end up with two concurrent jobs for releasing the same tag, the former should be cancelled
  group: release-${{ github.ref }}
  cancel-in-progress: true

permissions:
  actions: read
  contents: write

jobs:
  deploy:
    name: Deploy release

    runs-on: ubuntu-latest
    timeout-minutes: 30

    # Prevent job from running on forks
    if: ${{ !github.event.repository.fork }}

    strategy:
      # Execute one job at a time to avoid potential race conditions in the
      # GitHub release management APIs. See:
      # https://github.com/softprops/action-gh-release/issues/445#issuecomment-2407940052
      max-parallel: 1
      matrix:
        target:
          - x86_64-unknown-linux-gnu
          - x86_64-unknown-linux-musl
          - aarch64-unknown-linux-gnu
          - aarch64-unknown-linux-musl
          - x86_64-pc-windows-msvc
          - i686-pc-windows-msvc
          - x86_64-apple-darwin
          - aarch64-apple-darwin

    steps:
      - name: Checkout source
        uses: actions/checkout@v6

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          toolchain: nightly
          cache-bin: false
          cache-shared-key: cache

      - name: Install cargo-deb
        if: endsWith(matrix.target, '-linux-gnu')
        uses: taiki-e/install-action@v2
        with:
          tool: cargo-deb

      - name: Get the Oxipng version
        id: oxipngMeta
        run: >
          echo "version=$(cargo metadata --format-version 1 --no-deps |
          jq -r '.packages[] | select(.name == "oxipng").version')" >> "$GITHUB_OUTPUT"

      - name: Retrieve ${{ matrix.target }} binary
        uses: dawidd6/action-download-artifact@v21
        with:
          workflow: oxipng.yml
          commit: ${{ github.sha }}
          name: Oxipng binary (${{ matrix.target }})
          path: target

      - name: Generate up to date manual
        run: scripts/manual.sh

      - name: Build archives
        working-directory: target
        run: |
          ARCHIVE_NAME="oxipng-${{ steps.oxipngMeta.outputs.version }}-${{ matrix.target }}"

          mkdir "$ARCHIVE_NAME"
          cp ../CHANGELOG.md ../README.md ../MANUAL.txt "$ARCHIVE_NAME"

          case '${{ matrix.target }}' in
            *-windows-*)
              cp ../LICENSE "$ARCHIVE_NAME/LICENSE.txt"
              cp oxipng.exe "$ARCHIVE_NAME"
              zip "${ARCHIVE_NAME}.zip" "$ARCHIVE_NAME"/*;;
            *)
              cp ../LICENSE "$ARCHIVE_NAME"
              cp oxipng "$ARCHIVE_NAME"
              # Execute permissions are not stored in artifact files,
              # so make the binary world-executable to meet user
              # expectations set by preceding releases.
              # Related issue:
              # https://github.com/oxipng/oxipng/issues/575
              chmod ugo+x "$ARCHIVE_NAME"/oxipng
              tar -vczf "${ARCHIVE_NAME}.tar.gz" "$ARCHIVE_NAME"/*;;
          esac

      - name: Install AArch64 libc components
        if: matrix.target == 'aarch64-unknown-linux-gnu'
        run: |
          sudo apt-get -yq update
          # The shared libc AArch64 libraries are needed for cargo deb below
          # to be able to infer package requirements with dpkg-shlibdeps
          # properly
          sudo apt-get -yq install libc6-arm64-cross libgcc-s1-arm64-cross

      - name: Build Debian packages
        if: endsWith(matrix.target, '-linux-gnu')
        env:
          # The *-arm64-cross packages above install AArch64 libraries in
          # /usr/<arch>/lib instead of /usr/lib/<arch>, as expected by
          # cargo-deb and dpkg-shlibdeps to find such shared libraries.
          # Make both of them visible to such commands by adding that directory
          # to the dynamic linker's library search path. See:
          # - <https://man7.org/linux/man-pages/man1/dpkg-shlibdeps.1.html> ("Errors" section)
          # - <https://github.com/kornelski/cargo-deb/issues/21>
          LD_LIBRARY_PATH: /usr/aarch64-linux-gnu/lib
        run: |
          mkdir -p "target/${{ matrix.target }}/release"
          mv target/oxipng "target/${{ matrix.target }}/release"
          cargo deb --target "${{ matrix.target }}" --no-build --no-strip

      - name: Create release notes
        run: tail -n +3 CHANGELOG.md | sed -e '/^$/,$d' > RELEASE_NOTES.txt

      - name: Create release
        uses: softprops/action-gh-release@v3
        with:
          name: v${{ steps.oxipngMeta.outputs.version }}
          body_path: RELEASE_NOTES.txt
          files: |
            target/*.zip
            target/*.tar.gz
            target/${{ matrix.target }}/debian/*.deb