auto-labeling.yml

name: Auto-labeling issue
on:
  issues:
    types:
      - opened
      - reopened

jobs:
  label_issue:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Get labels
        id: labels
        env:
          GH_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}
        run: |
          LABELS=$(gh label list --jq '.[].name' --json name | tr '\n' ',')
          echo "available_labels=$LABELS" >> $GITHUB_OUTPUT
          
      - name: Install LangChain CLI
        run: |
          dotnet tool install --global langchain.cli --prerelease
          langchain auth openai ${{ secrets.OPENAI_API_KEY }} --model gpt-4-turbo

      - name: Prepare prompt
        run: |
          echo "Return arguments for `gh issue edit $ISSUE_URL $ARGUMENTS_WILL_BE_HERE$` for issue with these data:" > prompt.txt
          echo "Title: ${{ github.event.issue.title }}" >> prompt.txt
          echo "Body: ${{ github.event.issue.body }}" >> prompt.txt
          echo "Available labels: ${{ steps.labels.outputs.available_labels }}" >> prompt.txt
          echo " " >> prompt.txt
          echo "IMPORTANT: Return ONLY replacement for $ARGUMENTS_WILL_BE_HERE$. It should contains one or more --add-label arguments" >> prompt.txt 
          echo "Example output: --add-label \"vector databases\" --add-label \"enhancement\"" >> prompt.txt 
          cat prompt.txt

      - name: Analyse issue
        id: analyse
        run: |
          ARGUMENTS=$(langchain generate --input-file prompt.txt)
          echo $ARGUMENTS
          echo "arguments=$ARGUMENTS" >> $GITHUB_OUTPUT

      - env:
          GH_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}
        run: |
          gh issue edit ${{ github.event.issue.html_url }} ${{ steps.analyse.outputs.arguments }}