size-label.yml

name: Size label
on: pull_request_target
jobs:
  size-label:
    permissions:
      contents: read
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - name: Install jq
        run: |
          sudo apt-get update
          sudo apt-get install -y jq
      - name: Size label
        uses: actions/checkout@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
      - name: Calculate size
        run: |
          additions=$(curl -s "https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}" | jq '.additions')
          deletions=$(curl -s "https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}" | jq '.deletions')
          size=$((additions + deletions))
          echo "SIZE=$size" >> $GITHUB_ENV
      - name: Add label
        run: |
          if [ ${{ env.SIZE }} -gt 100 ]; then
            echo "Adding size: XXL"
            curl -X POST -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
              -H "Accept: application/vnd.github.v3+json" \
              https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels \
              -d '["size: XXL"]'
          elif [ ${{ env.SIZE }} -gt 50 ]; then
            echo "Adding size: XL"
            curl -X POST -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
              -H "Accept: application/vnd.github.v3+json" \
              https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels \
              -d '["size: XL"]'
          elif [ ${{ env.SIZE }} -gt 30 ]; then
            echo "Adding size: L"
            curl -X POST -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
              -H "Accept: application/vnd.github.v3+json" \
              https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels \
              -d '["size: L"]'
          elif [ ${{ env.SIZE }} -gt 15 ]; then
            echo "Adding size: M"
            curl -X POST -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
              -H "Accept: application/vnd.github.v3+json" \
              https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels \
              -d '["size: M"]'
          elif [ ${{ env.SIZE }} -gt 5 ]; then
            echo "Adding size: S"
            curl -X POST -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
              -H "Accept: application/vnd.github.v3+json" \
              https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels \
              -d '["size: S"]'
          else
            echo "Adding size: XS"
            curl -X POST -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
              -H "Accept: application/vnd.github.v3+json" \
              https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels \
              -d '["size: XS"]'
          fi