ci.yml

name: Continuous integration
on:
  pull_request:
  push:
    branches:
    - main
defaults:
  run:
    shell: bash
jobs:
  ci-linux:
    name: Build for Linux
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - if: ${{ github.event_name == 'push' }}
      uses: docker/login-action@v3
      with:
        username: stephanmisc
        password: ${{ secrets.DOCKER_PASSWORD }}
    - uses: stepchowfun/toast/.github/actions/toast@main
      with:
        tasks: build test lint release run
        docker_repo: stephanmisc/toast
        read_remote_cache: true
        write_remote_cache: ${{ github.event_name == 'push' }}
    - run: |
        # Make Bash log commands and not silently ignore errors.
        set -euxo pipefail

        # The artifact name will contain the target triple, so the file name doesn't need to.
        mv artifacts/gram-x86_64-unknown-linux-gnu artifacts/gram
    - uses: actions/upload-artifact@v4
      with:
        name: x86_64-unknown-linux-gnu
        path: artifacts/gram
        if-no-files-found: error
    - run: |
        # Make Bash log commands and not silently ignore errors.
        set -euxo pipefail

        # The artifact name will contain the target triple, so the file name doesn't need to.
        mv artifacts/gram-x86_64-unknown-linux-musl artifacts/gram
    - uses: actions/upload-artifact@v4
      with:
        name: x86_64-unknown-linux-musl
        path: artifacts/gram
        if-no-files-found: error
    - run: |
        # Make Bash log commands and not silently ignore errors.
        set -euxo pipefail

        # The artifact name will contain the target triple, so the file name doesn't need to.
        mv artifacts/gram-aarch64-unknown-linux-gnu artifacts/gram
    - uses: actions/upload-artifact@v4
      with:
        name: aarch64-unknown-linux-gnu
        path: artifacts/gram
        if-no-files-found: error
    - run: |
        # Make Bash log commands and not silently ignore errors.
        set -euxo pipefail

        # The artifact name will contain the target triple, so the file name doesn't need to.
        mv artifacts/gram-aarch64-unknown-linux-musl artifacts/gram
    - uses: actions/upload-artifact@v4
      with:
        name: aarch64-unknown-linux-musl
        path: artifacts/gram
        if-no-files-found: error
  ci-windows:
    name: Build for Windows
    runs-on: windows-latest
    steps:
    - uses: actions/checkout@v4
    - run: |
        # Make Bash log commands and not silently ignore errors.
        set -euxo pipefail

        # Install the appropriate version of Rust. The `--no-self-update` is necessary to make this
        # command work reliably on Windows. Without that flag, the command fails occasionally. See
        #
        #   https://github.com/rust-lang/rustup/issues/2441
        #
        # for more information.
        rustup toolchain install 1.81.0 --no-self-update # [ref:rust_1.81.0]
        rustup default 1.81.0 # [ref:rust_1.81.0]

        # Add the targets.
        rustup target add x86_64-pc-windows-msvc
        rustup target add aarch64-pc-windows-msvc

        # Build for x86_64-pc-windows-msvc.
        RUSTFLAGS='--codegen target-feature=+crt-static' cargo build \
          --locked \
          --release \
          --target x86_64-pc-windows-msvc

        # Build for aarch64-pc-windows-msvc.
        RUSTFLAGS='--codegen target-feature=+crt-static' cargo build \
          --locked \
          --release \
          --target aarch64-pc-windows-msvc

        # Run the tests.
        NO_COLOR=true cargo test --locked # [ref:colorless_tests]
    - uses: actions/upload-artifact@v4
      with:
        name: x86_64-pc-windows-msvc
        path: target/x86_64-pc-windows-msvc/release/gram.exe
        if-no-files-found: error
    - uses: actions/upload-artifact@v4
      with:
        name: aarch64-pc-windows-msvc
        path: target/aarch64-pc-windows-msvc/release/gram.exe
        if-no-files-found: error
  ci-macos:
    name: Build for macOS
    runs-on: macos-latest
    steps:
    - uses: actions/checkout@v4
    - run: |
        # Make Bash log commands and not silently ignore errors.
        set -euxo pipefail

        # Install the appropriate version of Rust.
        rustup toolchain install 1.81.0 # [ref:rust_1.81.0]
        rustup default 1.81.0 # [ref:rust_1.81.0]

        # Add the targets.
        rustup target add x86_64-apple-darwin
        rustup target add aarch64-apple-darwin

        # Build for x86_64-apple-darwin.
        SDKROOT=$(xcrun --show-sdk-path) \
          MACOSX_DEPLOYMENT_TARGET=$(xcrun --show-sdk-version) \
            cargo build --locked --release --target x86_64-apple-darwin

        # Build for aarch64-apple-darwin.
        SDKROOT=$(xcrun --show-sdk-path) \
          MACOSX_DEPLOYMENT_TARGET=$(xcrun --show-sdk-version) \
            cargo build --locked --release --target aarch64-apple-darwin

        # Run the tests.
        NO_COLOR=true cargo test --locked # [ref:colorless_tests]
    - uses: actions/upload-artifact@v4
      with:
        name: x86_64-apple-darwin
        path: target/x86_64-apple-darwin/release/gram
        if-no-files-found: error
    - uses: actions/upload-artifact@v4
      with:
        name: aarch64-apple-darwin
        path: target/aarch64-apple-darwin/release/gram
        if-no-files-found: error
  install-macos:
    name: Install on macOS
    runs-on: macos-latest
    steps:
    - uses: actions/checkout@v4
    - run: |
        # Make Bash log commands and not silently ignore errors.
        set -euxo pipefail

        # Run the installer script.
        PREFIX=/tmp ./install.sh

        # Run the installed binary.
        /tmp/gram --help
  install-ubuntu:
    name: Install on Ubuntu
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - run: |
        # Make Bash log commands and not silently ignore errors.
        set -euxo pipefail

        # Run the installer script.
        PREFIX=/tmp ./install.sh

        # Run the installed binary.
        /tmp/gram --help
  publish-release:
    name: Publish a release if applicable
    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
    runs-on: ubuntu-latest
    needs: [ci-linux, ci-macos, ci-windows, install-macos, install-ubuntu]
    steps:
    - uses: actions/checkout@v4
    - uses: actions/download-artifact@v4
      with:
        path: artifacts/
    - env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        # Make Bash log commands and not silently ignore errors.
        set -euxo pipefail

        # Install the appropriate version of Rust.
        rustup toolchain install 1.81.0 # [ref:rust_1.81.0]
        rustup default 1.81.0 # [ref:rust_1.81.0]

        # Fetch the program version.
        VERSION="$(cargo pkgid | cut -d# -f2 | cut -d: -f2)"

        # If the release already exists, exit early.
        if gh release view "v$VERSION" &> /dev/null; then
          echo "Release v$VERSION already exists."
          exit
        fi

        # Give the artifacts unique names.
        mv \
          artifacts/x86_64-unknown-linux-gnu/gram \
          artifacts/gram-x86_64-unknown-linux-gnu
        mv \
          artifacts/x86_64-unknown-linux-musl/gram \
          artifacts/gram-x86_64-unknown-linux-musl
        mv \
          artifacts/aarch64-unknown-linux-gnu/gram \
          artifacts/gram-aarch64-unknown-linux-gnu
        mv \
          artifacts/aarch64-unknown-linux-musl/gram \
          artifacts/gram-aarch64-unknown-linux-musl
        mv \
          artifacts/x86_64-apple-darwin/gram \
          artifacts/gram-x86_64-apple-darwin
        mv \
          artifacts/aarch64-apple-darwin/gram \
          artifacts/gram-aarch64-apple-darwin
        mv \
          artifacts/x86_64-pc-windows-msvc/gram.exe \
          artifacts/gram-x86_64-pc-windows-msvc.exe
        mv \
          artifacts/aarch64-pc-windows-msvc/gram.exe \
          artifacts/gram-aarch64-pc-windows-msvc.exe

        # Create the release.
        gh release create "v$VERSION" --title "v$VERSION" --notes '' \
          'artifacts/gram-x86_64-unknown-linux-gnu' \
          'artifacts/gram-x86_64-unknown-linux-musl' \
          'artifacts/gram-aarch64-unknown-linux-gnu' \
          'artifacts/gram-aarch64-unknown-linux-musl' \
          'artifacts/gram-x86_64-apple-darwin' \
          'artifacts/gram-aarch64-apple-darwin' \
          'artifacts/gram-x86_64-pc-windows-msvc.exe' \
          'artifacts/gram-aarch64-pc-windows-msvc.exe'
        echo "Created release v$VERSION."
    - uses: stepchowfun/toast/.github/actions/toast@main
      with:
        tasks: publish
        docker_repo: stephanmisc/toast
      env:
        CRATES_IO_TOKEN: ${{ secrets.CRATES_IO_TOKEN }}