counter.yml

name: counter
on:
  # Triggers the workflow on push or pull request events but only for the "main" branch
  push:
    branches: [ "main" ]

jobs:
  conditional_job_check_files:
    runs-on: 'ubuntu-20.04'
    # Declare outputs for next jobs
    outputs:
      docs_changed: ${{ steps.check_file_changed.outputs.docs_changed }}
    steps:
    - uses: actions/checkout@v2
      with:
        # Checkout as many commits as needed for the diff
        fetch-depth: 2
    - shell: pwsh
      id: check_file_changed
      run: |
        # Diff HEAD with the previous commit
        $diff = git diff --name-only HEAD^ HEAD

        # Check if a file under docs/ or with the .md extension has changed (added, modified, deleted)
        $SourceDiff = $diff | Where-Object { $_ -match 'bugs.md$' }
        $HasDiff = $SourceDiff.Length -gt 0

        # Set the output named "docs_changed"
        Write-Host "::set-output name=docs_changed::$HasDiff"

  # Run the job only with "docs_changed" equals "True"
  conditional_job:
    runs-on: 'ubuntu-20.04'
    needs: [ conditional_job_check_files ]
    if: needs.conditional_job_check_files.outputs.docs_changed == 'True'
    steps:
    - name: Checkout
      uses: actions/checkout@v2
    - name: 'Set up Python'
      uses: actions/setup-python@v4
      with:
          python-version: 3.10
    - name: Change bugs.md
      shell: bash
      run: python3 .github/workflows/bug_counter.py

    - name: Check if bugs.md is changed by the script
      id: verify_diff
      run: |
        git diff --quiet bugs.md || echo "::set-output name=are_bugs_changed::true"

    - name: Commit files
      if: steps.verify_diff.outputs.are_bugs_changed == 'true'
      run: |
        git config --local user.name github-actions[bot]
        git config --local user.email github-actions[bot]@users.noreply.github.com
        git status
        git add bugs.md
        git commit -m "update: bug number"
        git log
        git push