name: deploy

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

jobs:

  create-binaries:

    strategy:
      matrix:
        os: [ubuntu-latest, macOS-latest, windows-latest]
        include:
          - os: ubuntu-latest
            target: x86_64-unknown-linux-musl
          - os: macOS-latest
            target: x86_64-apple-darwin
          - os: windows-latest
            target: x86_64-pc-windows-msvc
          - os: windows-latest
            target: i686-pc-windows-msvc

    runs-on: '${{ matrix.os }}'

    steps:
    - uses: actions/checkout@v2

    - name: Install Rust
      uses: actions-rs/toolchain@v1
      with:
        profile: minimal
        toolchain: stable
        target: ${{ matrix.target }}
        override: true

    - name: Install musl
      run: sudo apt-get install musl-tools
      if: contains(matrix.target, 'linux-musl')

    - name: Build oxipng
      run: |
        cargo build --release --target ${{ matrix.target }}

    - name: Strip binary
      run: strip 'target/${{ matrix.target }}/release/oxipng'
      if: "!contains(matrix.target, 'windows')"

    - name: Get the version
      shell: bash
      id: tagName
      run: |
        VERSION=$(cargo pkgid | cut -d# -f2 | cut -d: -f2)
        echo "::set-output name=tag::$VERSION"

    - name: Build package
      id: package
      shell: bash
      run: |
        ARCHIVE_NAME="oxipng-${{ steps.tagName.outputs.tag }}-${{ matrix.target }}"
        if [[ '${{ matrix.target }}' == *windows* ]]; then
          ARCHIVE_FILE="${ARCHIVE_NAME}.zip"
          mv LICENSE LICENSE.txt
          7z a "${ARCHIVE_FILE}" "./target/${{ matrix.target }}/release/oxipng.exe" ./CHANGELOG.md ./LICENSE.txt ./README.md
          echo ::set-output "name=file::${ARCHIVE_FILE}"
          echo ::set-output "name=name::${ARCHIVE_NAME}.zip"
        else
          ARCHIVE_FILE="${ARCHIVE_NAME}.tar.gz"
          mkdir "/tmp/${ARCHIVE_NAME}"
          cp README.md CHANGELOG.md LICENSE "target/${{ matrix.target }}/release/oxipng" "/tmp/${ARCHIVE_NAME}"
          tar -czf "${PWD}/${ARCHIVE_FILE}" -C /tmp/ "${ARCHIVE_NAME}"
          echo ::set-output "name=file::${ARCHIVE_FILE}"
          echo ::set-output "name=name::${ARCHIVE_NAME}.tar.gz"
        fi

    - name: Upload artifacts
      uses: actions/upload-artifact@v2
      with:
        name: ${{ steps.package.outputs.name }}
        path: ${{ steps.package.outputs.file }}

  deploy:

    needs: create-binaries

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Get version and release description
        id: tagName
        run: |
          VERSION=$(cargo pkgid | cut -d# -f2 | cut -d: -f2)
          tail -n +2 CHANGELOG.md | sed -e '/^$/,$d' > CHANGELOG.txt
          echo "::set-output name=tag::$VERSION"

      - name: Download artifacts
        uses: actions/download-artifact@v2
        with:
          path: ./binaries

      - name: Create a release
        uses: softprops/action-gh-release@v1
        with:
          name: v${{ steps.tagName.outputs.tag }}
          body_path: CHANGELOG.txt
          files: |
            ./binaries/**/*.zip
            ./binaries/**/*.tar.gz
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}