name: Update rules number badge and sync rules submodule in capa
on:
  push:
    branches: [ master ]
jobs:
  update_num_rules:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout capa-rules
      uses: actions/checkout@v2
    - name: Update rules number badge in README
      run: |
        num_rules=$(find . -type f -name '*.yml' -not -path './.github/*' | wc -l)
        sed -i "s/rules-[0-9]*-blue\.svg/rules-$num_rules-blue.svg/" README.md
    - name: Commit changes
      run: |
        git config user.email 'capa-dev@fireeye.com'
        git config user.name 'Capa Bot'
        # Do not fail the action if rules number doesn't change
        git add -A
        git diff-index --quiet HEAD || git commit -am 'Update rules number badge'
    - name: Push changes to capa-rules
      uses: ad-m/github-push-action@master
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}

  sync_submodule_capa:
    runs-on: ubuntu-latest
    needs: update_num_rules
    steps:
    # Do not checkout submodules as we don't need capa-testfiles and we need to
    # update the rules submodule reference
    - name: Checkout capa
      uses: actions/checkout@v2
      with:
        repository: fireeye/capa
        token: ${{ secrets.CAPA_TOKEN }}
    - name: Checkout capa-rules
      uses: actions/checkout@v2
      with:
        path: rules
    - name: Update rules number badge in README
      run: |
        num_rules=$(find rules -type f -name '*.yml' -not -path 'rules/.github/*' | wc -l)
        sed -i "s/rules-[0-9]*-blue\.svg/rules-$num_rules-blue.svg/" README.md
    - name: Commit changes
      run: |
        git config user.email 'capa-dev@fireeye.com'
        git config user.name 'Capa Bot'
        git commit -am 'Sync capa rules submodule'
    - name: Push changes to capa
      uses: ad-m/github-push-action@master
      with:
        repository: fireeye/capa
        github_token: ${{ secrets.CAPA_TOKEN }}