add-top-ctas.yaml

name: Create Top CTAs PR

on:
  pull_request_target:
    types: [opened, reopened]
  workflow_dispatch:

jobs:
  create-pr:
    runs-on: ubuntu-latest
    if: github.event.pull_request.head.repo.owner.login == 'earthly' || github.event.pull_request.head.repo.owner.login == 'Earthly-Staging'
    steps:
    - name: Check Required Secrets
      run: |
        if [ -z "${{ secrets.OPENAI_API_KEY }}" ]; then
          echo "Error: OPENAI_API_KEY is not set."
          exit 1
        fi
        if [ -z "${{ secrets.ANTHROPIC_API_KEY }}" ]; then
          echo "Error: ANTHROPIC_API_KEY is not set."
          exit 1
        fi
      env:
        OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }} 
        ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }} 
    - name: Checkout PR
      uses: actions/checkout@v2
      with:
        ref: ${{ github.event.pull_request.head.sha }}
        fetch-depth: 1
    - name: Set up Node.js
      uses: actions/setup-node@v2
      with:
        node-version: '14'
    - name: Set up GitHub CLI
      run: |
        curl -sSL https://github.com/cli/cli/releases/download/v2.0.0/gh_2.0.0_linux_amd64.tar.gz -o ghcli.tar.gz
        tar xzf ghcli.tar.gz
        sudo mv gh_*/bin/gh /usr/local/bin/
        rm -rf gh_2.0.0_linux_amd64/ ghcli.tar.gz

    - name: Set up Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.11'  # This will get the latest version of Python 3

    - name: Create a new branch
      run: |
        git config user.name 'GitHub Actions Bot'
        git config user.email 'actions@github.com'
        branch_name="automated-changes-$(date +'%d%m%Y')"  # create a branch name based on the current day/month/year
        git checkout -b $branch_name
    - name: Dependencies
      run: |
        set -x
        curl -sSL https://install.python-poetry.org | python3 -
        poetry install --no-root
    - name: Run Code
      run: |
        set -x
        poetry run python util/psupport/psupport/scripts/excerpt.py --dir ./blog/_posts
        poetry run python util/psupport/psupport/scripts/topcta.py --dir ./blog/_posts
        git restore ./blog/_posts/2029-01-01-checklist.md

        npm install -g markdownlint-cli@0.32.0
        markdownlint --fix "./blog/_posts/*.md" || true
      env:
        OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }} 
        ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }} 
    - name: Check for changes
      id: changes
      run: |
        git diff --exit-code || echo "::set-output name=has_changes::true"
    - name: Commit changes
      if: steps.changes.outputs.has_changes == 'true'  
      run: | 
        git add -A
        git commit -m "Automated code changes"
    - name: Push changes and create PR
      if: steps.changes.outputs.has_changes == 'true'
      run: |
        set -x
        ## The idea here it to make a PR onto the existing PR.
        ## That should be something like `gh pr create --base Earthly-Staging/website:agbell/testpr1 --head earthly/website:automated-changes-12012024`
        ## But the tool doesn't work that way, so we are doing something simpler. 
        # See these for clues towards a real solution
        # - https://github.com/cli/cli/issues/1985
        # - https://github.com/cli/cli/issues/5465

        branch_name="automated-changes-$(date +'%d%m%Y')"  # re-define branch name since we're in a new step
        git push --force --set-upstream origin HEAD:$branch_name  
        gh auth login --with-token <<< "${{ secrets.GH_PAT }}"
        original_title=$(gh pr view ${{ github.event.pull_request.number }} --json title --jq .title)
        echo "Original title: '$original_title'"
        modified_title="$original_title - CTA change"
        echo "Modified title: '$modified_title'"

        ## Nope, not working
        ## gh pr create --base ${{ github.event.pull_request.head.ref }} --head $branch_name --title "$modified_title" --body "This PR includes changes for CTA."

        # Just create a new pull request against the main branch of the origin repository
        gh pr create -R ${{ github.repository }} -B main -H $branch_name --title "$modified_title" --body "This PR includes changes for CTA."
      env:
        GH_CLI_TOKEN: ${{ secrets.GH_PAT }}