copyright-check.yml

name: Copyright checker

on:
  issue_comment:
    types: [created]
  push:

env:
  PLATFORM: ubuntu-latest
  GO_VERSION: 1.16.x

jobs:
  copyright-check:
    runs-on: ${{ env.PLATFORM }}

    steps:
      - name: Setup Go
        uses: actions/setup-go@v3
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Install addlicense
        run: |
          go install github.com/google/addlicense@latest

      - name: Checkout repository
        uses: actions/checkout@v3

      # Check license notice in all files
      - name: Copyright Check
        id: check
        run: .maintain/add_license.sh -check

  copyright-add:
    needs: [copyright-check]
    if: contains(github.event.comment.html_url, '/pull/') && contains(github.event.comment.body, '/addlicense')
    runs-on: ${{ env.PLATFORM }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          persist-credentials: false
          fetch-depth: 0

      - name: Setup Go
        uses: actions/setup-go@v3
        with:
          go-version: ${{ env.GO_VERSION }}

      # Add license if check fails
      - name: Add copyright notice
        if: jobs.copyright-check.steps.outcome == 'failure'
        run: |
          .maintain/add_license.sh

          remote_repo="https://${GITHUB_ACTOR}:${{ secrets.GITHUB_TOKEN }}@github.com/${GITHUB_REPOSITORY}.git"
          git config http.sslVerify false
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add -A
          git commit -m "Add missing license headers"
          git push "${remote_repo}" HEAD:${{ github.head_ref }}