ci.yml

name: CI

on:
  push:
    branches: [master, main]
  pull_request:
    branches: [master, main]

# Cancel in-progress runs when a new commit is pushed
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: true

env:
  # Toolchain release used to run the test suite. Pinned rather than tracking
  # `latest` so a failed release (which publishes an asset-less tag) cannot
  # turn every PR red. Bump after a release publishes its artifacts.
  FUSE_TOOLCHAIN_VERSION: v0.4.1

jobs:
  format:
    name: Check Formatting
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - uses: coursier/setup-action@v2
        with:
          apps: scalafmt
      - name: Check scalafmt
        run: scalafmt --check .

  test:
    name: Tests
    runs-on: ubuntu-latest
    needs: format
    steps:
      - uses: actions/checkout@v6
      - uses: coursier/cache-action@v6
      - uses: coursier/setup-action@v2
        with:
          jvm: temurin:17
          apps: sbt
      - name: Run tests with coverage
        run: |
          # Install with the checked-out fuseup so installer changes are exercised
          # by the PR that makes them, not only after they deploy to gh-pages.
          sh gh-pages/fuseup -y --no-modify-path --version "$FUSE_TOOLCHAIN_VERSION"
          . ~/.local/share/fuse/env
          export FUSE_RUNTIME="$GITHUB_WORKSPACE/grin"
          export FUSE_STDLIB="$GITHUB_WORKSPACE/stdlib"
          sbt clean coverage fuse/test fuse/coverageReport
      - uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: ./.jvm/target/scala-3.6.4/scoverage-report/scoverage.xml
          fail_ci_if_error: false

  native:
    name: Native Link
    runs-on: ubuntu-latest
    needs: format
    env:
      JAVA_OPTS: -Xms2048M -Xmx2048M -Xss6M -XX:ReservedCodeCacheSize=256M
    steps:
      - uses: actions/checkout@v6
      - uses: coursier/cache-action@v6
      - uses: coursier/setup-action@v2
        with:
          jvm: temurin:17
          apps: sbt
      # The release tarball is built from this binary. Its name is set by Scala
      # Native, so a version bump can move it without breaking any test — which
      # is how the v0.4.0 release broke. Assert the release script still finds it.
      - name: Verify release binary lookup
        run: |
          sbt fuseNative/nativeLink
          fuse_bin=$(find .native/target -maxdepth 2 -name "fuse" -type f | head -1)
          if [ -z "$fuse_bin" ]; then
            echo "::error::native binary not found where scripts/build-toolchain.sh expects it"
            find .native/target -maxdepth 2 -type f
            exit 1
          fi
          echo "found $fuse_bin"