reviewapp.yml

name: grant 'reviewapps' label if there are any changes in PR's source code.

on: pull_request

jobs:
  labeling:
    runs-on: ubuntu-latest  # windows-latest | macos-latest
    name: grant 'reviewapps' label
    if: ${{ ! startsWith(github.head_ref, 'renovate/') }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: actions/setup-python@v4
        with:
          python-version: '3.10'
          architecture: 'x64'

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v39
        with:
          use_fork_point: true

      - name: List all changed files
        id: check-paths-ignore
        env:
          ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
        run: |
          FLAG=$(cat << '_EOF_' | python
          import os
          import sys
          import pathlib
          paths_ignore = [
            '.github/**/*.yml',
            '**.md',
          ]
          all_changed_files = os.getenv("ALL_CHANGED_FILES").split()
          for filename in all_changed_files:
            if not any(list(map(lambda pattern: pathlib.PurePath(filename).match(pattern), paths_ignore))):
              print("false")
              sys.exit()
          print("true")
          _EOF_
          )
          echo "::set-output name=FLAG::${FLAG}"

      - name: Labeling 'reviewapps' to PR
        uses: actions/github-script@v6
        id: set-result
        if: ${{ steps.check-paths-ignore.outputs.FLAG == 'false' }}
        with:
          result-encoding: string
          script: |
            const message = `
            Review app
            * https://dreamkast-dk-%d.dev.cloudnativedays.jp
            `;
            const targetLabel = 'reviewapps';
            issue = await github.rest.issues.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
            });
            flag = false;
            issue.data.labels.filter(label => {
              if (label.name == targetLabel) { flag = true; };
            });
            if (!flag) {
              github.rest.issues.addLabels({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                labels: [targetLabel]
              });
              github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body: message.replace("%d", context.issue.number),
              });
            }