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path: root/.github/workflows/release.yml
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# The way this works is a little weird. But basically, the create-release job
# runs purely to initialize the GitHub release itself. Once done, the upload
# URL of the release is saved as an artifact.
#
# The build-release job runs only once create-release is finished. It gets
# the release upload URL by downloading the corresponding artifact (which was
# uploaded by create-release). It then builds the release executables for each
# supported platform and attaches them as release assets to the previously
# created release.
#
# The key here is that we create the release only once.

name: release
on:
  push:
    # Enable when testing release infrastructure on a branch.
    # branches:
    # - ag/release
    tags:
    - '[0-9]+.[0-9]+.[0-9]+'
jobs:
  create-release:
    name: create-release
    runs-on: ubuntu-latest
    env:
      # Set to force version number, e.g., when no tag exists.
      # RG_VERSION: TEST-0.0.0
    steps:
      - name: Create artifacts directory
        run: mkdir artifacts

      - name: Get the release version from the tag
        if: env.RG_VERSION == ''
        run: |
          # Apparently, this is the right way to get a tag name. Really?
          #
          # See: https://github.community/t5/GitHub-Actions/How-to-get-just-the-tag-name/m-p/32167/highlight/true#M1027
          echo "::set-env name=RG_VERSION::${GITHUB_REF#refs/tags/}"
          echo "version is: ${{ env.RG_VERSION }}"

      - name: Create GitHub release
        id: release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ env.RG_VERSION }}
          release_name: ripgrep ${{ env.RG_VERSION }}

      - name: Save release upload URL to artifact
        run: echo "${{ steps.release.outputs.upload_url }}" > artifacts/release-upload-url

      - name: Save version number to artifact
        run: echo "${{ env.RG_VERSION }}" > artifacts/release-version

      - name: Upload artifacts
        uses: actions/upload-artifact@v1
        with:
          name: artifacts
          path: artifacts

  build-release:
    name: build-release
    needs: ['create-release']
    runs-on: ${{ matrix.os }}
    env:
      # For some builds, we use cross to test on 32-bit and big-endian
      # systems.
      CARGO: cargo
      # When CARGO is set to CROSS, this is set to `--target matrix.target`.
      TARGET_FLAGS:
      # When CARGO is set to CROSS, TARGET_DIR includes matrix.target.
      TARGET_DIR: ./target
      # Emit backtraces on panics.
      RUST_BACKTRACE: 1
      # Build static releases with PCRE2.
      PCRE2_SYS_STATIC: 1
    strategy:
      matrix:
        build: [linux, linux-arm, macos, win-msvc, win-gnu, win32-msvc]
        include:
        - build: linux
          os: ubuntu-18.04
          rust: nightly
          target: x86_64-unknown-linux-musl
        - build: linux-arm
          os: ubuntu-18.04
          rust: nightly
          target: arm-unknown-linux-gnueabihf
        - build: macos
          os: macos-latest
          rust: nightly
          target: x86_64-apple-darwin
        - build: win-msvc
          os: windows-2019
          rust: nightly
          target: x86_64-pc-windows-msvc
        - build: win-gnu
          os: windows-2019
          rust: nightly-x86_64-gnu
          target: x86_64-pc-windows-gnu
        - build: win32-msvc
          os: windows-2019
          rust: nightly
          target: i686-pc-windows-msvc

    steps:
    - name: Checkout repository
      uses: actions/checkout@v1
      with:
        fetch-depth: 1

    - name: Install packages (Ubuntu)
      if: matrix.os == 'ubuntu-18.04'
      run: |
        ci/ubuntu-install-packages

    - name: Install packages (macOS)
      if: matrix.os == 'macos-latest'
      run: |
        ci/macos-install-packages

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

    - name: Use Cross
      # if: matrix.os != 'windows-2019'
      run: |
        # FIXME: to work around bugs in latest cross release, install master.
        # See: https://github.com/rust-embedded/cross/issues/357
        cargo install --git https://github.com/rust-embedded/cross
        echo "::set-env name=CARGO::cross"
        echo "::set-env name=TARGET_FLAGS::--target ${{ matrix.target }}"
        echo "::set-env name=TARGET_DIR::./target/${{ matrix.target }}"

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

    - name: Get release download URL
      uses: actions/download-artifact@v1
      with:
        name: artifacts
        path: artifacts

    - name: Set release upload URL and release version
      shell: bash
      run: |
        release_upload_url="$(cat artifacts/release-upload-url)"
        echo "::set-env name=RELEASE_UPLOAD_URL::$release_upload_url"
        echo "release upload url: $RELEASE_UPLOAD_URL"
        release_version="$(cat artifacts/release-version)"
        echo "::set-env name=RELEASE_VERSION::$release_version"
        echo "release version: $RELEASE_VERSION"

    - name: Build release binary
      run: ${{ env.CARGO }} build --verbose --release --features pcre2 ${{ env.TARGET_FLAGS }}

    - name: Strip release binary (linux and macos)
      if: matrix.build == 'linux' || matrix.build == 'macos'
      run: strip "target/${{ matrix.target }}/release/rg"

    - name: Strip release binary (arm)
      if: matrix.build == 'linux-arm'
      run: |
        docker run --rm -v \
          "$PWD/target:/target:Z" \
          rustembedded/cross:arm-unknown-linux-gnueabihf \
          arm-linux-gnueabihf-strip \
          /target/arm-unknown-linux-gnueabihf/release/rg

    - name: Build archive
      shell: bash
      run: |
        outdir="$(ci/cargo-out-dir "${{ env.TARGET_DIR }}")"
        staging="ripgrep-${{ env.RELEASE_VERSION }}-${{ matrix.target }}"
        mkdir -p "$staging"/{complete,doc}

        cp {README.md,COPYING,UNLICENSE,LICENSE-MIT} "$staging/"
        cp {CHANGELOG.md,FAQ.md,GUIDE.md} "$staging/doc/"
        cp "$outdir"/{rg.bash,rg.fish,_rg.ps1} "$staging/complete/"
        cp complete/_rg "$staging/complete/"

        if [ "${{ matrix.os }}" = "windows-2019" ]; then
          cp "target/${{ matrix.target }}/release/rg.exe" "$staging/"
          7z a "$staging.zip" "$staging"
          echo "::set-env name=ASSET::$staging.zip"
        else
          # The man page is only generated on Unix systems. ¯\_(ツ)_/¯
          cp "$outdir"/rg.1 "$staging/doc/"
          cp "target/${{ matrix.target }}/release/rg" "$staging/"
          tar czf "$staging.tar.gz" "$staging"
          echo "::set-env name=ASSET::$staging.tar.gz"
        fi

    - name: Upload release archive
      uses: actions/upload-release-asset@v1.0.1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ env.RELEASE_UPLOAD_URL }}
        asset_path: ${{ env.ASSET }}
        asset_name: ${{ env.ASSET }}
        asset_content_type: application/octet-stream