actions.yml

name: CI

# We run full CI on push builds to main and on all pull requests
#
# Tags are automatically published
#
# Manual builds (workflow_dispatch) to the main branch are also published
#
# To maximize bug-catching changes while keeping CI times reasonable, we run:
# - All tests on Linux/Java17
# - Fewer tests on Linux/Java8 and Windows/Java17
# - Fewest tests on Windows/Java8

on:
  push:
    branches:
      - main
    tags:
      - '**'
  pull_request:
  merge_group:
  workflow_dispatch:

# cancel older runs of a pull request;
# this will not cancel anything for normal git pushes
concurrency:
  group: cancel-old-pr-runs-${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:

  itest:
    strategy:
      fail-fast: false
      matrix:
        include:
          # bootstrap tests
          - java-version: 8
            buildcmd: ci/test-mill-release.sh
          - java-version: 17
            buildcmd: ci/test-mill-release.sh
          # Limit some tests to Java 17 to limit CI times
          - java-version: 17
            buildcmd: ci/test-mill-dev.sh
          - java-version: 17
            buildcmd: ci/test-mill-bootstrap.sh
          # Have one job on latest JVM
          - java-version: 20
            buildcmd: ci/test-mill-bootstrap.sh
          # Just some reporting to enable reasoning about library upgrades
          - java-version: 8
            buildcmd: |
              ./mill -i -k __.ivyDepsTree
              ./mill -i -k __.ivyDepsTree --withRuntime

    uses: ./.github/workflows/run-mill-action.yml
    with:
      java-version: ${{ matrix.java-version }}
      buildcmd: ${{ matrix.buildcmd }}

  linux:
    strategy:
      fail-fast: false
      matrix:
        java-version: [8, 17]
        millargs:
          # unit and module tests
          - '"{main,scalalib,testrunner,bsp}.__.test"'
          - '"scalajslib.__.test"'
          - '"scalanativelib.__.test"'
          # integration tests
          - "integration.feature.__.server.test"
          - "integration.feature.__.fork.test"
          # contrib tests
          - "contrib._.test"

        include:
          # Limit some tests to Java 17 to limit CI times
          - java-version: 17
            millargs: "example.__.local.test"
          - java-version: 17
            millargs: "integration.feature.__.local.test"
          - java-version: 17
            millargs: "integration.failure.__.test"
          - java-version: 17
            millargs: docs.githubPages


    uses: ./.github/workflows/run-mill-action.yml
    with:
      java-version: ${{ matrix.java-version }}
      millargs: ${{ matrix.millargs }}

  compiler-bridge:
    uses: ./.github/workflows/run-mill-action.yml
    with:
      java-version: '8'
      millargs: bridge.__.publishLocal
      env-bridge-versions: 'essential'

  format-check:
    uses: ./.github/workflows/run-mill-action.yml
    with:
      java-version: '8'
      millargs: mill.scalalib.scalafmt.ScalafmtModule/checkFormatAll __.sources

  scalafix-check:
    uses: ./.github/workflows/run-mill-action.yml
    with:
      java-version: '8'
      millargs: -i -k __.fix --check

  bincompat-check:
    uses: ./.github/workflows/run-mill-action.yml
    with:
      java-version: '8'
      millargs: __.mimaReportBinaryIssues
      continue-on-error: true

  windows:
    strategy:
      fail-fast: false
      matrix:
        java-version: [8, 17]
        millargs:
          # Run a stripped down build matrix on Windows, to avoid taking too long
          - '"{__.publishLocal,dev.assembly,__.compile}"'
          - '"{main,scalalib,bsp}.__.test"'
          - '"scalajslib.__.test"'

        include:
          # Limit some tests to Java 17 to limit CI times
          - java-version: 17
            # just run a subset of examples/ on Windows, because for some reason running
            # the whole suite can take hours on windows v.s. half an hour on linux
            millargs: '"example.basic.__.local.test"'
          - java-version: 17
            millargs: "integration.feature.__.fork.test"
          - java-version: 17
            millargs: "integration.feature.__.server.test"
          - java-version: 17
            millargs: "integration.failure.__.fork.test"
          - java-version: 17
            millargs: "contrib.__.test"

    uses: ./.github/workflows/run-mill-action.yml
    with:
      os: windows-latest
      java-version: ${{ matrix.java-version }}
      millargs: ${{ matrix.millargs }}

  publish-sonatype:
    # when in master repo, publish all tags and manual runs on main
    if: github.repository == 'com-lihaoyi/mill' && (startsWith( github.ref, 'refs/tags/') || (github.ref == 'refs/heads/main' && github.event_name == 'workflow_dispatch' ) )
    needs: [linux, windows, compiler-bridge, format-check, bincompat-check, scalafix-check, itest]

    runs-on: ubuntu-latest

    # only run one publish job for the same sha at the same time
    # e.g. when a main-branch push is also tagged
    concurrency: publish-sonatype-${{ github.sha }}

    env:
      SONATYPE_PGP_SECRET: ${{ secrets.SONATYPE_PGP_SECRET }}
      SONATYPE_USERNAME: ${{ secrets.SONATYPE_DEPLOY_USER }}
      SONATYPE_PASSWORD: ${{ secrets.SONATYPE_DEPLOY_PASSWORD }}
      SONATYPE_PGP_PASSWORD: ${{ secrets.SONATYPE_PGP_PASSWORD }}
      LANG: "en_US.UTF-8"
      LC_MESSAGES: "en_US.UTF-8"
      LC_ALL: "en_US.UTF-8"

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: coursier/cache-action@v6

      - uses: actions/setup-java@v4
        with:
          java-version: 8
          distribution: temurin

      - run: ci/release-maven.sh

  release-github:
    # when in master repo, publish all tags and manual runs on main
    if: github.repository == 'com-lihaoyi/mill' && (startsWith( github.ref, 'refs/tags/') || (github.ref == 'refs/heads/main' && github.event_name == 'workflow_dispatch' ) )
    needs: publish-sonatype
    runs-on: ubuntu-latest

    env:
      REPO_ACCESS_TOKEN: ${{ secrets.REPO_ACCESS_TOKEN }}

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: coursier/cache-action@v6

      - uses: actions/setup-java@v4
        with:
          java-version: 8
          distribution: temurin

      - run: ./mill -i uploadToGithub $REPO_ACCESS_TOKEN