labeler.yml

name: Label PRs based on commit messages!

on:
  push:

jobs:
  labelPR:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Install GitHub CLI
        run: |
          curl -OL https://github.com/cli/cli/releases/download/v2.4.0/gh_2.4.0_linux_amd64.deb
          sudo dpkg -i gh_2.4.0_linux_amd64.deb

      - name: Get PR number
        id: pr_number
        run: |
          PR_NUMBER=$(gh pr list --json number,headRefName --jq ".[] | select(.headRefName == \"${{ github.ref }}\") | .number")
          echo "::set-output name=number::$PR_NUMBER"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Add label
        run: |
          COMMIT_MSG=$(git log --format=%B -n 1 ${{ github.sha }})
          if [[ "$COMMIT_MSG" == fix:* ]]; then
            gh pr edit ${{ steps.pr_number.outputs.number }} --add-label "fix"
          elif [[ "$COMMIT_MSG" == feature:* ]]; then
            gh pr edit ${{ steps.pr_number.outputs.number }} --add-label "feature"
          elif [[ "$COMMIT_MSG" == chore:* ]]; then
            gh pr edit ${{ steps.pr_number.outputs.number }} --add-label "chore"
          elif [[ "$COMMIT_MSG" == enhancement:* ]]; then
            gh pr edit ${{ steps.pr_number.outputs.number }} --add-label "enhancement"
          fi
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        if: steps.pr_number.outputs.number != ''