labeler.yaml

name: PR Labeler

on:
  pull_request:
    types: [opened, synchronize]
    branches:
      - develop

jobs:
  labeler:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Fetch all branches
        run: git fetch --all

      - name: Extract commit messages
        run: |
          COMMITS=$(git log --format=%B origin/develop..HEAD)
          echo "$COMMITS"
          echo "$COMMITS" > commits.txt

      - name: Debug - Print commits
        run: cat commits.txt

      - name: Set labels based on commit messages
        id: set-labels
        run: |
          labels=()
          while IFS= read -r commit; do
            echo "Processing commit: $commit"
            if [[ $commit =~ ^feat ]]; then
              labels+=("feature")
            elif [[ $commit =~ ^fix ]]; then
              labels+=("bugfix")
            elif [[ $commit =~ ^docs ]]; then
              labels+=("documentation")
            elif [[ $commit =~ ^style ]]; then
              labels+=("style")
            elif [[ $commit =~ ^refactor ]]; then
              labels+=("refactor")
            elif [[ $commit =~ ^test ]]; then
              labels+=("test")
            elif [[ $commit =~ ^ci ]]; then
              labels+=("ci")
            elif [[ $commit =~ ^chore ]]; then
              labels+=("chore")
            fi
          done < commits.txt

          # Remove duplicate labels and join them as a newline-separated string
          unique_labels=$(printf "%s\n" "${labels[@]}" | sort -u)

          # Debug output for unique labels
          echo "Unique labels:"
          echo "$unique_labels"

          # Set the output as a newline-separated string
          echo "labels<<EOF" >> $GITHUB_OUTPUT
          echo "$unique_labels" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Add labels to PR
        uses: actions-ecosystem/action-add-labels@v1
        with:
          labels: ${{ steps.set-labels.outputs.labels }}

      - name: Assign PR creator
        uses: actions/github-script@v6
        with:
          script: |
            await github.rest.issues.addAssignees({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              assignees: [context.actor]
            })