release.yml

on:
  push:
    tags:
      - 'v[0-9].*' # Release tags matching v*, i.e. v1.0, v20.15.10

name: Release

jobs:

  create_release:
    name: Create release
    if: >
      github.repository_owner == 'input-output-hk'
      || startsWith(github.ref, 'refs/heads/ci/test/')
      || startsWith(github.ref, 'refs/tags/') && contains(github.ref, '-ci-test.')
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.release_info.outputs.version }}
      tag: ${{ steps.release_info.outputs.tag }}
      date: ${{ steps.release_info.outputs.date }}
      upload_url: ${{ steps.create_release.outputs.upload_url }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          submodules: 'true'

      - id: release_info
        name: Get release information
        run: python3 ./ci/release-info.py "$GITHUB_EVENT_NAME"

      - id: create_release
        name: Create a draft release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          release_tag='${{ steps.release_info.outputs.tag }}'
          hub release create ${{ steps.release_info.outputs.release_flags }} --draft \
            -m "Release ${{ steps.release_info.outputs.version }} (in progress)" \
            -t $GITHUB_SHA $release_tag
          upload_url=$(hub release show -f '%uA' $release_tag)
          echo "::set-output name=upload_url::$upload_url"

  cache_info:
    name: Bootstrap cache
    if: >
      github.repository_owner == 'input-output-hk'
      || startsWith(github.ref, 'refs/heads/ci/test/')
      || startsWith(github.ref, 'refs/tags/') && contains(github.ref, '-ci-test.')
    runs-on: ubuntu-latest
    outputs:
      crates-io-index-head: ${{ steps.ls-crates-io-index.outputs.head }}
      cargo-lock-hash: ${{ steps.hash-cargo-lock.outputs.hash }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - id: ls-crates-io-index
        name: Get head commit hash of crates.io registry index
        run: |
          commit=$(
            git ls-remote --heads https://github.com/rust-lang/crates.io-index.git master |
            cut -f 1
          )
          echo "$commit"
          echo "::set-output name=head::$commit"

      - id: hash-cargo-lock
        name: Calculate dependency cache key
        run: |
          hash=$(
            ci/strip-own-version-from-cargo-lock.pl Cargo.lock |
            sha1sum | cut -d ' ' -f 1
          )
          echo "$hash"
          echo "::set-output name=hash::$hash"

  update_deps:
    name: Update dependencies
    needs: cache_info
    # Caches on Windows and Unix do not interop:
    # https://github.com/actions/cache/issues/330#issuecomment-637701649
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - name: Cache cargo registry index
        uses: actions/cache@v3
        with:
          path: ~/.cargo/registry/index
          key: cargo-index-${{ needs.cache_info.outputs.crates-io-index-head }}
          restore-keys: cargo-index-

      - id: cargo-deps
        name: Cache cargo dependencies
        uses: actions/cache@v3
        with:
          path: ~/.cargo/registry/cache
          key: cargo-deps-${{ needs.cache_info.outputs.cargo-lock-hash }}

      - name: Check out the repository
        uses: actions/checkout@v3
        with:
          submodules: true

      - name: Fetch dependencies and update cargo registry
        run: cargo fetch --locked

  build_assets:
    name: Build assets
    needs: [create_release, cache_info, update_deps]
    runs-on: ${{ matrix.config.os }}
    strategy:
      fail-fast: false
      matrix:
        config:
          # Linux
          - {os: ubuntu-latest, target: x86_64-unknown-linux-gnu}
          # Macos
          - {os: macos-latest, target: x86_64-apple-darwin}
        toolchain: [stable]
        cross: [false]
        include:
          - config: {os: windows-latest, target: x86_64-pc-windows-msvc}
            toolchain: stable-x86_64-pc-windows-msvc
            cross: false
          # Cross targets
          - config: {os: ubuntu-latest,  target: x86_64-unknown-linux-musl}
            toolchain: stable
            cross: true

    steps:

      - uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
          target: ${{ matrix.config.target }}
          override: true
          default: true

      - name: Checkout code
        uses: actions/checkout@v3
        with:
          submodules: true

      - name: Restore cargo registry index
        uses: actions/cache@v3
        with:
          path: ~/.cargo/registry/index
          key: cargo-index-${{ needs.cache_info.outputs.crates-io-index-head }}

      - name: Restore cargo dependencies
        uses: actions/cache@v3
        with:
          path: ~/.cargo/registry/cache
          key: cargo-deps-${{ needs.cache_info.outputs.cargo-lock-hash }}

      - name: Create .cargo/config.toml
        shell: bash
        run: |
          mkdir .cargo
          cat > .cargo/config.toml <<EOF
          [target.${{ matrix.config.target }}]
          rustflags = ["-Ctarget-cpu=generic", "-Cembed-bitcode=yes"]
          [profile.release]
          lto = "thin"
          EOF

      - if: ${{ matrix.cross }}
        name: Create Cross.toml
        shell: bash
        run: |
          cat > Cross.toml <<EOF
          [build.env]
          passthrough = ["DATE"]
          EOF

      - name: Build the server binary
        uses: actions-rs/cargo@v1
        env:
          DATE: ${{ needs.create_release.outputs.date }}
        with:
          use-cross: ${{ matrix.cross }}
          command: build
          args: >
            --manifest-path vit-servicing-station-server/Cargo.toml
            --bin vit-servicing-station-server
            --verbose
            --locked
            --release
            --target ${{ matrix.config.target }}

      - name: Build the cli binary
        uses: actions-rs/cargo@v1
        env:
          DATE: ${{ needs.create_release.outputs.date }}
        with:
          use-cross: ${{ matrix.cross }}
          command: build
          args: >
            --manifest-path vit-servicing-station-cli/Cargo.toml
            --bin vit-servicing-station-cli
            --verbose
            --locked
            --release
            --target ${{ matrix.config.target }}

      - name: Pack binaries (Unix)
        if: matrix.config.os != 'windows-latest'
        run: |
          archive=vit-servicing-station-${{ needs.create_release.outputs.version }}-${{ matrix.config.target }}.tar.gz
          tar -C ./target/${{ matrix.config.target }}/release -czvf $archive \
            vit-servicing-station-server \
            vit-servicing-station-cli
          cat <<EOF >> $GITHUB_ENV
          RELEASE_ARCHIVE=$archive
          RELEASE_CONTENT_TYPE=application/gzip
          EOF

      - name: Pack binaries (Windows)
        if: matrix.config.os == 'windows-latest'
        run: |
          $archive = "vit-servicing-station-${{ needs.create_release.outputs.version }}-${{ matrix.config.target }}.zip"
          $args = @{
            Path  = "./target/${{ matrix.config.target }}/release/vit-servicing-station-server.exe",
                    "./target/${{ matrix.config.target }}/release/vit-servicing-station-cli.exe"
            DestinationPath = $archive
          }
          Compress-Archive @args
          @"
          RELEASE_ARCHIVE=$archive
          RELEASE_CONTENT_TYPE=application/zip
          "@ | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append

      - name: Upload binaries to the release
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ needs.create_release.outputs.upload_url }}
          asset_path: ./${{ env.RELEASE_ARCHIVE }}
          asset_name: ${{ env.RELEASE_ARCHIVE }}
          asset_content_type: ${{ env.RELEASE_CONTENT_TYPE }}

  publish_release:
    name: Publish release
    needs: [create_release, build_assets]
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repository
        uses: actions/checkout@v3

      - name: Publish release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          hub release edit --draft=false \
            -m 'Release ${{ needs.create_release.outputs.version }}' \
            ${{ needs.create_release.outputs.tag }}