rigging_pr_description.yml

name: Update PR Description with Rigging

on:
  pull_request:
    types:
      - edited  # Trigger when the PR is updated (e.g., title, description, or labels)
      - reopened  # Trigger when the PR is reopened

jobs:
  update-description:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
      contents: read

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 #v4.2.2
        with:
          fetch-depth: 0

      # Get the diff first
      - name: Get Diff
        id: diff
        run: |
          git fetch origin ${{ github.base_ref }}
          MERGE_BASE=$(git merge-base HEAD origin/${{ github.base_ref }})
          # Encode the diff as base64 to preserve all characters
          DIFF=$(git diff $MERGE_BASE..HEAD | base64 -w 0)
          echo "diff=$DIFF" >> $GITHUB_OUTPUT

      - uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b #v5.0.3
        with:
          python-version: "3.11"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip cache purge
          pip install pydantic==2.9.1
          pip install rigging[all]

      # Generate the description using the diff
      - name: Generate PR Description
        id: description
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          GIT_DIFF: ${{ steps.diff.outputs.diff }}
        run: |
          python .github/scripts/rigging_pr_decorator.py

      # Update the PR description
      - name: Update PR Description
        uses: nefrob/pr-description@4dcc9f3ad5ec06b2a197c5f8f93db5e69d2fdca7 #v1.2.0
        with:
          content: |
            ## AI-Generated Summary

            ${{ steps.description.outputs.content }}

            ---

            This summary was generated with ❤️ by [rigging](https://rigging.dreadnode.io/)
          regex: ".*"
          regexFlags: s
          token: ${{ secrets.GITHUB_TOKEN }}