release.yml

name: release

# Only do the release on x.y.z tags.
on:
  push:
    tags:
      - "[0-9]+.[0-9]+.[0-9]+"

env:
  CARGO: cargo
  TARGET_FLAGS:
  FEATURES_FLAGS:
  TARGET_DIR: ./target
  CROSS_VERSION: v0.2.5

permissions:
  contents: write

jobs:
  create-release:
    name: create-release
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Get the release version from the tag
        if: env.VERSION == ''
        run: echo "VERSION=${{ github.ref_name }}" >> $GITHUB_ENV
      - name: Show the version
        run: |
          echo "version is: $VERSION"
      - name: Check that tag version and Cargo.toml version are the same
        shell: bash
        run: |
          if ! grep -q "version = \"$VERSION\"" Cargo.toml; then
            echo "version does not match Cargo.toml" >&2
            exit 1
          fi
      - name: Create GitHub release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh release create $VERSION --draft --verify-tag --title $VERSION
    outputs:
      version: ${{ env.VERSION }}

  build-release:
    name: build-release
    needs: ['create-release']
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
        - build: stable-x86_64 (gnu)
          os: ubuntu-latest
          rust: stable
          target: x86_64-unknown-linux-gnu
          features: vendored-openssl
        - build: stable-x86_64 (musl)
          os: ubuntu-latest
          rust: stable
          target: x86_64-unknown-linux-musl
          features: vendored-openssl
        - build: stable-x86
          os: ubuntu-latest
          rust: stable
          target: i686-unknown-linux-gnu
          features: vendored-openssl
        - build: stable-aarch64
          os: ubuntu-latest
          rust: stable
          target: aarch64-unknown-linux-gnu
          features: vendored-openssl
        - build: stable-arm-gnueabihf
          os: ubuntu-latest
          rust: stable
          target: armv7-unknown-linux-gnueabihf
          features: vendored-openssl
        - build: stable-arm-musleabihf
          os: ubuntu-latest
          rust: stable
          target: armv7-unknown-linux-musleabihf
          features: vendored-openssl
        - build: stable-arm-musleabi
          os: ubuntu-latest
          rust: stable
          target: armv7-unknown-linux-musleabi
          features: vendored-openssl
        - build: stable-powerpc64
          os: ubuntu-latest
          rust: stable
          target: powerpc64-unknown-linux-gnu
          features: vendored-openssl
        - build: stable-s390x
          os: ubuntu-latest
          rust: stable
          target: s390x-unknown-linux-gnu
          features: vendored-openssl

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

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

    - name: Use Cross
      if: matrix.os == 'ubuntu-latest' && matrix.target != ''
      shell: bash
      run: |
        # In the past, new releases of 'cross' have broken CI. So for now, we
        # pin it. We also use their pre-compiled binary releases because cross
        # has over 100 dependencies and takes a bit to compile.
        dir="$RUNNER_TEMP/cross-download"
        mkdir "$dir"
        echo "$dir" >> $GITHUB_PATH
        cd "$dir"
        curl -LO "https://github.com/cross-rs/cross/releases/download/$CROSS_VERSION/cross-x86_64-unknown-linux-musl.tar.gz"
        tar xf cross-x86_64-unknown-linux-musl.tar.gz
        echo "CARGO=cross" >> $GITHUB_ENV

    - name: Set target variables
      shell: bash
      if: matrix.target != ''
      run: |
        echo "TARGET_FLAGS=--target ${{ matrix.target }}" >> $GITHUB_ENV
        echo "TARGET_DIR=./target/${{ matrix.target }}" >> $GITHUB_ENV

    - name: Set features variable
      shell: bash
      if: matrix.features != ''
      run: echo "FEATURES_FLAGS=--features ${{ matrix.features }}" >> $GITHUB_ENV

    - name: Show command used for Cargo
      shell: bash
      run: |
        echo "cargo command is: ${{ env.CARGO }}"
        echo "target flag is: ${{ env.TARGET_FLAGS }}"
        echo "target dir is: ${{ env.TARGET_DIR }}"
        echo "features flag is: ${{ env.FEATURES_FLAGS }}"

    - name: Build release binary
      shell: bash
      run: |
        ${{ env.CARGO }} build --verbose --release ${{ env.FEATURES_FLAGS }} ${{ env.TARGET_FLAGS }}
        bin="target/${{ matrix.target }}/release/deltasync"
        echo "BIN=$bin" >> $GITHUB_ENV

    - name: Determine archive name
      shell: bash
      run: |
        version="${{ needs.create-release.outputs.version }}"
        echo "ARCHIVE=deltasync-$version-${{ matrix.target }}" >> $GITHUB_ENV

    - name: Copy binary in archive
      shell: bash
      run: |
        mkdir -p "$ARCHIVE"/{complete,doc}
        cp "$BIN" "$ARCHIVE"/

    - name: Build archive
      shell: bash
      run: |
        tar czf "$ARCHIVE.tar.gz" "$ARCHIVE"
        shasum -a 256 "$ARCHIVE.tar.gz" > "$ARCHIVE.tar.gz.sha256"
        echo "ASSET=$ARCHIVE.tar.gz" >> $GITHUB_ENV
        echo "ASSET_SUM=$ARCHIVE.tar.gz.sha256" >> $GITHUB_ENV

    - name: Upload release archive
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      shell: bash
      run: |
        version="${{ needs.create-release.outputs.version }}"
        gh release upload "$version" ${{ env.ASSET }} ${{ env.ASSET_SUM }}