issue-bot.yml

# https://help.github.com/en/categories/automating-your-workflow-with-github-actions

name: "Issue bot"

on:
  workflow_dispatch:
  pull_request:
    paths-ignore:
      - 'compiler/**'
      - 'apigen/**'
      - 'changelog-generator/**'
  push:
    branches:
      - "2.1.x"
    paths-ignore:
      - 'compiler/**'
      - 'apigen/**'
      - 'changelog-generator/**'

concurrency:
  group: run-issue-bot-${{ github.head_ref || github.run_id }} # will be canceled on subsequent pushes in pull requests but not branches
  cancel-in-progress: true

jobs:
  download:
    name: "Download data"

    runs-on: "ubuntu-latest"

    outputs:
      matrix: ${{ steps.shards.outputs.shards }}

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

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          php-version: "8.5"

      - name: "Install issue-bot dependencies"
        uses: "ramsey/composer-install@v3"
        with:
          working-directory: "issue-bot"

      - name: "Cache downloads"
        uses: actions/cache@v4
        with:
          path: ./issue-bot/tmp
          key: "issue-bot-download-v7-${{ github.run_id }}"
          restore-keys: |
            issue-bot-download-v7-

      - name: "Download data"
        working-directory: "issue-bot"
        env:
          GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
        run: ./console.php download > matrix.json

      - name: "Output shards"
        id: shards
        working-directory: "issue-bot"
        run: |
          echo "shards=$(jq -c '{include: [range(length) | {shard: .}]}' matrix.json)" >> $GITHUB_OUTPUT

      - uses: actions/upload-artifact@v4
        with:
          name: playground-cache
          path: issue-bot/tmp/playgroundCache.tmp

      - uses: actions/upload-artifact@v4
        with:
          name: issue-cache
          path: issue-bot/tmp/issueCache.tmp

      - uses: actions/upload-artifact@v4
        with:
          name: matrix
          path: issue-bot/matrix.json

  analyse:
    name: "Analyse"
    needs: download

    runs-on: "ubuntu-latest"

    strategy:
      fail-fast: false
      matrix: ${{ fromJSON(needs.download.outputs.matrix) }}

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

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          php-version: "8.5"

      - uses: "ramsey/composer-install@v3"
        with:
          composer-options: "--no-dev"

      - name: "Install issue-bot dependencies"
        uses: "ramsey/composer-install@v3"
        with:
          working-directory: "issue-bot"

      - uses: Wandalen/wretry.action@v3.8.0
        with:
          action: actions/download-artifact@v4
          with: |
            name: playground-cache
            path: issue-bot/tmp
          attempt_limit: 5
          attempt_delay: 1000

      - uses: Wandalen/wretry.action@v3.8.0
        with:
          action: actions/download-artifact@v4
          with: |
            name: matrix
            path: issue-bot
          attempt_limit: 5
          attempt_delay: 1000

      - name: "Extract shard"
        working-directory: "issue-bot"
        id: chunk
        run: |
          echo "phpVersion=$(jq -r '.[${{ matrix.shard }}].phpVersion' matrix.json)" >> "$GITHUB_OUTPUT"
          echo "playgroundExamples=$(jq -r '.[${{ matrix.shard }}].playgroundExamples' matrix.json)" >> "$GITHUB_OUTPUT"
          echo "chunkNumber=$(jq -r '.[${{ matrix.shard }}].chunkNumber' matrix.json)" >> "$GITHUB_OUTPUT"

      - name: "Run PHPStan"
        working-directory: "issue-bot"
        timeout-minutes: 5
        run: ./console.php run ${{ steps.chunk.outputs.phpVersion }} ${{ steps.chunk.outputs.playgroundExamples }}

      - uses: actions/upload-artifact@v4
        with:
          name: results-${{ steps.chunk.outputs.phpVersion }}-${{ steps.chunk.outputs.chunkNumber }}
          path: issue-bot/tmp/results-${{ steps.chunk.outputs.phpVersion }}-*.tmp

  evaluate:
    name: "Evaluate results"
    needs: analyse

    runs-on: "ubuntu-latest"

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

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          php-version: "8.5"

      - name: "Install issue-bot dependencies"
        uses: "ramsey/composer-install@v3"
        with:
          working-directory: "issue-bot"

      - uses: actions/download-artifact@v4
        with:
          name: playground-cache
          path: issue-bot/tmp

      - uses: actions/download-artifact@v4
        with:
          name: issue-cache
          path: issue-bot/tmp

      - uses: actions/download-artifact@v4
        with:
          pattern: results-*
          merge-multiple: true
          path: issue-bot/tmp

      - name: "List tmp"
        run: "ls -lA issue-bot/tmp"

      - name: "Evaluate results - pull request"
        working-directory: "issue-bot"
        if: github.event_name == 'pull_request'
        env:
          GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set +e
          ./console.php evaluate >> $GITHUB_STEP_SUMMARY
          exit_code="$?"

          if [[ "$exit_code" == "2" ]]; then
            echo "::notice file=.github/workflows/issue-bot.yml,line=3 ::Issue bot detected open issues which are affected by this pull request - see https://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
            exit 0
          fi

          exit $exit_code

      - name: "Evaluate results - push"
        working-directory: "issue-bot"
        if: "github.repository_owner == 'phpstan' && github.ref == 'refs/heads/2.1.x'"
        env:
          GITHUB_PAT: ${{ secrets.PHPSTAN_BOT_TOKEN }}
          PHPSTAN_SRC_COMMIT_BEFORE: ${{ github.event.before }}
          PHPSTAN_SRC_COMMIT_AFTER: ${{ github.event.after }}
        run: |
          set +e
          ./console.php evaluate --post-comments >> $GITHUB_STEP_SUMMARY
          exit_code="$?"

          # its fine when issue-bot found affected issues
          if [[ "$exit_code" == "2" ]]; then
            exit 0
          fi

          exit $exit_code